专题01 阅读理解之说明文-五年（2017-2021）高考英语真题分项详解（全国通用） 解析版

这是一份专题01 阅读理解之说明文-五年（2017-2021）高考英语真题分项详解（全国通用） 解析版，共108页。

专题01阅读理解之说明文
【2021年】
1.（2021年新高考I卷）C
When the explorers first set foot upon the continent of North America, the skies and lands were alive with an astonishing variety of wildlife. Native Americans had taken care of these precious natural resources wisely. Unfortunately, it took the explorers and the settlers who followed only a few decades to decimate a large part of these resources. Millions of waterfowl ( 水 禽 ) were killed at the hands of market hunters and a handful of overly ambitious sportsmen. Millions of acres of wetlands were dried to feed and house the ever-increasing populations, greatly reducing waterfowl habitat.
In 1934, with the passage of the Migratory Bird Hunting Stamp Act (Act), an increasingly concerned nation took firm action to stop the destruction of migratory ( 迁徙的) waterfowl and the wetlands so vital to their survival. Under this Act, all waterfowl hunters 16 years of age and over must annually purchase and carry a Federal Duck Stamp. The very first Federal Duck Stamp was designed by J.N. “Ding” Darling, a political cartoonist from Des Moines, lowa, who at that time was appointed by President Franklin Roosevelt as Director of the Bureau of Biological Survey. Hunters willingly pay the stamp price to ensure the survival of our natural resources.
About 98 cents of every duck stamp dollar goes directly into the Migratory Bird Conservation Fund to purchase wetlands and wildlife habitat for inclusion into the National Wildlife Refuge System — a fact that ensures this land will be protected and available for all generations to come. Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat. Little wonder the Federal Duck Stamp Program has been called one of the most successful conservation programs ever initiated.
28. What was a cause of the waterfowl population decline in North America?
A. Loss of wetlands. B. Popularity of water sports.
C. Pollution of rivers. D. Arrival of other wild animals.
29. What does the underlined word “decimate” mean in the first paragraph?
A. Acquire. B. Export.
C. Destroy. D. Distribute.
30. What is a direct result of the Act passed in 1934?
A. The stamp price has gone down. B. The migratory birds have flown away.
C. The hunters have stopped hunting. D. The government has collected money.
31. Which of the following is a suitable title for the text?
A. The Federal Duck Stamp Story B. The National Wildlife Refuge System
C. The Benefits of Saving Waterfowl D. The History of Migratory Bird Hunting
【答案】28. A 29. C 30. D 31. A
【解析】本文是一篇说明文。本文讲述了美国鸭票的故事，由于美国移民的大量流入，对于农地和住房的急需大量的水禽栖息地被破坏导致美国水禽骤减，因此美国发行了鸭票，狩猎者只有购买了鸭票才能狩猎，而鸭票的部分收入进入到了用于购买水禽栖息地的基金，从而保护了水禽。
【28题】细节理解题。根据第一段“Millions of acres of wetlands were dried to feed and house the ever-increasing populations, greatly reducing waterfowl habitat.”可知，上百万公顷的湿地被抽干用作农地或者修建住房，极大地减少了水禽的栖息地，故可知，栖息地的减少导致了水禽数量的下降，故选A。
【29题】词义猜测题。根据前一句“Native Americans had taken care of these precious natural resources wisely.”可知，北美的土著人把这些珍贵的自然资源保护的很合理，本句中的“Unfortunately”可知，本句与上一句形成了转折，前一句陈述北美土著人做的好的地方，故可知，本句阐述移民者做的不好的地方，即移民者破坏了这些自然资源，故画线词意思是“破坏”。A. Acquire获得；B. Export出口；C. Destroy破坏；D. Distribute分配。故选C。
【30题】推理判断题。根据最后一段“Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat.”可知，自1934年起，超过5亿美元进入到了这个基金会，购买了超过500万公顷的水禽栖息地，故可以推出，通过发行鸭票，美国政府获得了大量的资金，故选D。
【31题】主旨大意题。根据全文可知，由于之前不恰当的发展导致美国水禽骤减，因此美国发行了鸭票，狩猎者只有购买了鸭票才能狩猎，而鸭票的部分收入进入到了用于购买水禽栖息地的基金，从而保护了水禽，故可知，本文讲述美国鸭票的故事，故选A。
2.（2021年新高考I卷）D
Popularization has in some cases changed the original meaning of emotional (情感的) intellingence. Many people now misunderstand emotional intelligence as almost everything desirable in a person's makeup that cannot be measured by an IQ test, such as character, motivation, confidence, mental stability, optimism and “people skills.” Research has shown that emotional skills may contribute to some of these qualities, but most of them move far beyond skill-based emotional intelligence.
We prefer to describe emotional intelligence as a specific set of skills that can be used for either good or bad purposes. The ability to accurately understand how others are feeling may be used by a doctor to find how best to help her patients, while a cheater might use it to control potential victims. Being emotionally intelligent does not necessarily make one a moral person.
Although popular beliefs regarding emotional intelligence run far ahead of what research can reasonably support, the overall effects of the publicity have been more beneficial than harmful. The most positive aspect of this popularization is a new and much needed emphasis (重视) on emotion by employers, educators and others interested in promoting social well-being. The popularization of emotional intelligence has helped both the public and researchers re-evaluate the functionality of emotions and how they serve people adaptively in everyday life.
Although the continuing popular appeal of emotional intelligence is desirable, we hope that such attention will excite a greater interest in the scientific and scholarly study of emotion. It is our hope that in coming decades, advances in science will offer new perspectives (视角) from which to study how people manage their lives. Emotional intelligence, with its focus on both head and heart, may serve to point us in the right direction.
32. What is a common misunderstanding of emotional intelligence?
A. It can be measured by an IQ test. B. It helps to exercise a person’s mind.
C. It includes a set of emotional skills. D. It refers to a person’s positive qualities.
33. Why does the author mention “doctor” and “cheater” in paragraph 2?
A. To explain a rule. B. To clarify a concept.
C. To present a fact. D. To make a prediction.
34. What is the author’s attitude to the popularization of emotional intelligence?
A. Favorable. B. Intolerant.
C. Doubtful. D. Unclear.
35. What does the last paragraph mainly talk about concerning emotional intelligence?
A. Its appeal to the public. B. Expectations for future studies.
C. Its practical application. D. Scientists with new perspectives.
【答案】32. D 33. B 34. A 35. B
【解析】本文是一篇说明文。文章介绍了情商的定义以及对有关于情商未来研究的期望。
【32题】细节理解题。通过文章第一段“Research has shown that emotional skills may contribute to some of these qualities (研究表明，情商技巧可能有助于这些品质的形成)”可知，情商指的并不是一个人的积极品质。故选D项。
【33题】推理判断题。通过文章第二段“The ability to accurately understand how others are feeling may be used by a doctor to find how best to help her patients, while a cheater might use it to control potential victims. (医生可能利用这种准确理解他人感受的能力来找到最好的帮助病人的方法，而骗子可能利用这种能力来控制潜在的受害者)”可推知，作者在文章第二段中提到“医生”和“骗子”是举例子来阐明下文的观点——情商高并不一定能使一个人成为有道德的人。故选B项。
【34题】推理判断题。通过文章第三段“the overall effects of the publicity have been more beneficial than harmful. …The popularization of emotional intelligence has helped both the public and researchers (宣传的总体效果一直是利大于弊。这种普及最积极的方面是雇主、教育者和其他对促进社会福利感兴趣的人对情感进行了新的、迫切需要的强调。情商的普及帮助了公众和研究人员)”可推知，作者认为情商普及是对人们有利的。故选A项。
【35题】推理判断题。通过文章最后一段“we hope that such attention will excite a greater interest in the scientific and scholarly study of emotion. It is our hope that in coming decades, advances in science will offer new perspectives from which to study how people manage their lives. (我们希望这种关注将激发人们对情感科学和学术研究的更大兴趣。我们希望在未来的几十年里，科学的进步将为研究人们如何管理自己的生活提供新的视角)”可推知，本段主要谈了对未来关于情商研究的期望。故选B项。
3.（2021年全国甲卷）B
Port Lympne Reserve, which runs a breeding (繁育) programme, has welcomed the arrival of a rare black rhino calf (犀牛幼崽). When the tiny creature arrived on January 31, she became the 40th black rhino to be born at the reserve. And officials at Port Lympne were delighted with the new arrival, especially as black rhinos are known for being difficult to breed in captivity (圈养).
Paul Beer, head of rhino section at Port Lympne, said: “Obviously we're all absolutely delighted to welcome another calf to our black rhino family. She's healthy, strong and already eager to play and explore. Her mother, Solio, is a first-time mum and she is doing a fantastic job. It's still a little too cold for them to go out into the open, but as soon as the weather warms up, I have no doubt that the little one will be out and about exploring and playing every day.”
The adorable female calf is the second black rhino born this year at the reserve, but it is too early to tell if the calves will make good candidates to be returned to protected areas of the wild. The first rhino to be born at Port Lympne arrived on January 5 to first-time mother Kisima and weighed about 32kg. His mother, grandmother and great grandmother were all born at the reserve and still live there.
According to the World Wildlife Fund, the global black rhino population has dropped as low as 5500, giving the rhinos a “critically endangered” status.
4. Which of the following best describes the breeding programme?
A. Costly. B. Controversial. C. Ambitious. D. Successful.
5. What does Paul Beer say about the new-born rhino?
A. She loves staying with her mother. B. She dislikes outdoor activities.
C. She is in good condition D. She is sensitive to heat.
6. What similar experience do Solio and Kisima have?
A. They had their first born in January. B. They enjoyed exploring new places
C. They lived with their grandmothers. D. They were brought to the reserve young
7. What can be inferred about Porn Lympne Reserve?
A. The rhino section will be open to the public.
B. It aims to control the number of the animals.
C. It will continue to work with the World Wildlife Fund.
D. Some of its rhinos may be sent to the protected wild areas.
【答案】4. D 5. C 6. A 7. D
【解析】
【分析】本文是一篇说明文。文章主要介绍了在Port Lympne保护区的部分黑犀牛现状。
【4题】推理判断题。通过文章第一段“she became the 40th black rhino to be born at the reserve (她成为该保护区出生的第40头黑犀牛)”以及文章倒数第二段“His mother, grandmother and great grandmother were all born at the reserve and still live there. (他的母亲、祖母和曾祖母都出生在保护区，至今仍住在那里)”可知，保护区的繁育计划使很多黑犀牛成功存活，可推知，这计划是成功的。故选D项。
【5题】细节理解题。通过文章第二段“She's healthy, strong and already eager to play and explore. (她很健康，很强壮，已经渴望玩耍和探索了)”可知，Paul Beer认为新生的犀牛身体状况很好。故选C项。
【6题】细节理解题。通过文章第一段“When the tinv creature arrived on January 31, she became the 40th black rhino to be born at the reserve. (1月31日，当这头小犀牛来到保护区时，她成为了第40头在保护区出生的黑犀牛)”以及文章倒数第二段“The first rhino to be born at Port Lympne arrived on January 5 to first-time mother Kisima and weighed about 32kg. (1月5日，犀牛妈妈Kisima分娩的第一头小犀牛，同时也是第一个出生在Port Lympne，体重约为32公斤)”可知，Solio和Kisima的第一个孩子都是在一月份出生的。故选A项。
【7题】推理判断题。通过文章倒数第二段“it is too early to tell if the calves will make good candidates to be returned to protected areas of the wild (要判断这些小犀牛是否会成为返回野生保护区的好的候选者还为时过早)”可推知，Pon Lympne保护区的一些犀牛可能会被送到野生保护区。故选D项。
4.（2021年全国乙卷）A
The Biggest Stadiums in the World
People have been pouring into stadiums since the days of ancient Greece. In around 80 A.D., the Romans built the Colosseum, which remains the world’s best known stadium and continues to inform contemporary design. Rome’s Colosseum was 157 feet tall and had 80 entrances, seating 50,000 people. However, that was small fry compared with the city’s Circus Maximus, which accommodated around 250,000 people.
These days, safety regulations-not to mention the modern sports fan’s desire for a good view and comfortable seat—tend to keep stadium capacities（容量） slightly lower. Even soccer fans tend to have a seat each; gone are the days of thousands standing to watch the match.
For the biggest stadiums in the world, we have used data supplied by the World Atlas list so far, which ranks them by their stated permanent capacity, as well as updated information from official stadium websites.
All these stadiums are still funtiona1, still open and still hosting the biggest events in world sport.
·Rungrado 1st of May Stadium, Pyongyang D.P.R. Korea. Capacity: 150,000. Opened: May 1,1989.
·Michigan Stadium, Ann Arbor, Michigan, U. S. Capacity: 107,601. Opened: October 1, 1927.
·Beaver Stadium, State College, Pennsylvania, U. S. Capacity: 106,572. Opened: September 17, 1960.
·Ohio Stadium, Columbus, Ohio, U. S. Capacity: 104,944. Opened: October 7,1922.
·Kyle Field, College Station, Texas, U. S. Capacity: 102,512. Opened: September 24, 1927.
21. How many people could the Circus Maximus hold?
A. 104,944. B. 107,601. C. About 150,000. D. About 250,000.
22. Of the following stadiums, which is the oldest?
A. Michigan Stadium. B. Beaver Stadium. C. Ohio Stadium. D. Kyle Field.
23. What do the listed stadiums have in common?
A. They host big games. B. They have become tourist attractions.
C. They were built by Americans. D. They are favored by architects.
【答案】21. D 22. C 23. A
【解析】
【分析】这是一篇说明文。文章主要介绍了世界上著名的大型竞技场的基本情况。目前这些竞技场仍在运行并且还在承办大型体育赛事。
【21题】细节理解题。根据第一段最后一句“However, that was small fry compared with the city’s Circus Maximus, which accommodated around 250,000 people.” (然而，与这座城市容纳了25万人的大竞技场相比，这只是小巫见大巫。)可知，Circus Maximus的可以容纳250,000人。故选D项。
【22题】细节理解题。根据文章最后部分中的“Ohio Stadium, Columbus, Ohio, U.S. Capacity: 104,944. Opened October 7, 1922.” (美国俄亥俄州哥伦布市俄亥俄体育场，容纳人数：104,944人。1922年10月7日开业。)及其他四个著名竞技场的开放时间介绍可知，Ohio Stadium开放时间最早在1922年，属于年代最久远的。故选C项。
【23题】细节理解题。根据文中“All these stadiums are still functional, still open and still hosting the biggest events in world sport.” (所有这些体育场馆仍在使用，仍在开放，仍在举办世界上最大的体育赛事。)可知，这些体育馆都还在承办大型的体育赛事。故选A项。
5.（2021年全国乙卷）B
When almost everyone has a mobile phone, why are more than half of Australian homes still paying for a landline（座机）?
These days you’d be hard pressed to find anyone in Australia over the age of 15 who doesn’t own a mobile phone. In fact plenty of younger kids have one in their pocket. Practically everyone can make and receive calls anywhere, anytime.
Still, 55 percent of Australians have a landline phone at home and only just over a quarter （29%） rely only on their smartphones according to a survey （调查）. Of those Australians who still have a landline, a third concede that it’s not really necessary and they’re keeping it as a security blanket — 19 percent say they never use it while a further 13 percent keep it in case of emergencies. I think my home falls into that category.
More than half of Australian homes are still choosing to stick with their home phone. Age is naturally a factor（因素）— only 58 percent of Generation Ys still use landlines now and then, compared to 84 percent of Baby Boomers who’ve perhaps had the same home number for 50 years. Age isn’t the only factor; I’d say it’s also to do with the makeup of your household.
Generation Xers with young families, like my wife and I, can still find it convenient to have a home phone rather than providing a mobile phone for every family member. That said, to be honest the only people who ever ring our home phone are our Baby Boomers parents, to the point where we play a game and guess who is calling before we pick up the phone（using Caller ID would take the fun out of it）.
How attached are you to your landline? How long until they go the way of gas street lamps and morning milk deliveries?
24. What does paragraph 2 mainly tell us about mobile phones?
A. Their target users. B. Their wide popularity.
C. Their major functions. D. Their complex design.
25. What does the underlined word “concede” in paragraph 3 mean?
A. Admit. B. Argue.
C. Remember. D. Remark.
26. What can we say about Baby Boomers?
A. They like smartphone games. B. They enjoy guessing callers’ identity.
C. They keep using landline phones. D. They are attached to their family.
27. What can be inferred about the landline from the last paragraph?
A. It remains a family necessity.
B. It will fall out of use some day.
C. It may increase daily expenses.
D. It is as important as the gas light.
【答案】24. B 25. A 26. C 27. B
【解析】
【分析】本文是一篇说明文。文章主要介绍了澳大利亚使用固定电话的情况，并且表达了固定电话是非必需品的观点。
【24题】主旨大意题。根据文章第二段“These days you'd be hard pressed to find anyone in Australia over the age of 15 who doesn't own a mobile phone. In fact plenty of younger kids have one in their pocket. Practically everyone can make and receive calls anywhere, anytime. (现在你很难在澳大利亚找到15岁以上的没有手机的人。事实上，很多年幼的孩子口袋里都有手机。几乎每个人都可以随时随地拨打和接听电话)”可推知，本段主要说明手机在澳大利亚广受欢迎。故选B项。
【25题】词句猜测题。根据划线单词的上文“Of those Australians who still have a landline (在那些仍然有固定电话的澳大利亚人中)”可知，这个调查的目标人群是仍然有固定电话的澳大利亚人；根据下文“it's not really necessary and they're keeping it as a security blanket — 19 percent say they never use it while a further 13 percent keep it in case of emergencies (固定电话并不是必须的，他们将其作为一种安全保障——19%的人表示他们从未使用过固定电话，另有13%的人保留固定电话以防紧急情况)”可知，很多人认为固定电话并不是必须拥有的，有些人保留固定电话只是为了防止紧急情况。从而推知，在调查中，他们应该是承认了固定电话的非必要性。由此推知，划线单词“concede”意为“承认”。故选A项。
【26题】推理判断题。根据文章第四段“84 percent of Baby Boomers who've perhaps had the same home number for 50 years.(婴儿潮时代中有84%的人可能已经有50年相同的家庭号码了)”以及文章第五段“That said, to be honest the only people who ever ring our home phone are our Baby Boomers parents (也就是说，老实说，唯一打过我们家电话的人是婴儿潮一代的父母)”可推知，婴儿潮时代的人一直用固定电话。故选C项。
【27题】推理判断题。根据文章最后一段“How attached are you to your landline? How long until they go the way of gas street lamps and morning milk deliveries? (你有多喜欢你的座机？它们还要多久才能走上煤气路灯和早晨送牛奶的道路？)”可推知，本段使用类比的方式，使用煤气路灯以及早晨送牛奶已经被淘汰的例子，侧面说明了固定电话总有一天会废弃的。故选B项。
6.（2021年全国乙卷）C
You’ve heard that plastic is polluting the oceans — between 4.8 and 12.7 million tonnes enter ocean ecosystems every year. But does one plastic straw or cup really make a difference? Artist Benjamin Von Wong wants you to know that it does. He builds massive sculptures out of plastic garbage, forcing viewers to re-examine their relationship to single-use plastic products.
At the beginning of the year, the artist built a piece called “Strawpocalypse,” a pair of 10-foot-tall plastic waves, frozen mid-crash. Made of 168,000 plastic straws collected from several volunteer beach cleanups, the sculpture made its first appearance at the Estella Place shopping center in Ho Chi Minh City, Vietnam.
Just 9% of global plastic waste is recycled. Plastic straws are by no means the biggest source（来源）of plastic pollution, but they’ve recently come under fire because most people don’t need them to drink with and, because of their small size and weight, they cannot be recycled. Every straw that’s part of Von Wong’s artwork likely came from a drink that someone used for only a few minutes. Once the drink is gone, the straw will take centuries to disappear.
In a piece from 2018, Von Wong wanted to illustrate（说明） a specific statistic: Every 60 seconds, a truckload’s worth of plastic enters the ocean. For this work, titled “Truckload of Plastic,” Von Wong and a group of volunteers collected more than 10,000 pieces of plastic, which were then tied together to look like they’d been dumped（倾倒） from a truck all at once.
Von Wong hopes that his work will also help pressure big companies to reduce their plastic footprint.
28. What are Von Wong’s artworks intended for?
A. Beautifying the city he lives in. B. Introducing eco-friendly products.
C. Drawing public attention to plastic waste. D. Reducing garbage on the beach.
29. Why does the author discuss plastic straws in paragraph 3?
A. To show the difficulty of their recycling.
B. To explain why they are useful.
C. To voice his views on modern art.
D. To find a substitute for them.
30. What effect would “Truckload of Plastic” have on viewers?
A. Calming. B. Disturbing.
C. Refreshing. D. Challenging.
31. Which of the following can be the best title for the text?
A. Artists’ Opinions on Plastic Safety
B. Media Interest in Contemporary Art
C. Responsibility Demanded of Big Companies
D. Ocean Plastics Transformed into Sculptures
【答案】28. C 29. A 30. C 31. D
【解析】
【分析】本文是一篇说明文。文章介绍了艺术家Benjamin Von Wong用塑料垃圾制作了一个巨大的雕塑作品，让人们通过这个雕塑重新审视自己与一次性塑料制品的关系。此外他在2018的一件作品“Truckload of Plastic”说明了每60秒，就有一卡车塑料进入海洋。Von Wong通过用塑料垃圾制造巨型雕塑来唤醒和提高人们的环保意识。
【28题】推理判断题。根据第一段“But does one plastic straw or cup really make a difference? Artist Benjamin Von Wong wants you to know that it does. He builds massive sculptures out of plastic garbage, forcing viewers to re-examine their relationship to single-use plastic products.(但一根塑料吸管或一个塑料杯真的有什么区别吗？艺术家本杰明·冯·王（Benjamin Von Wong）想让你知道，它确实如此。他用塑料垃圾建造巨大的雕塑，迫使观众重新审视他们与一次性塑料产品的关系。)”可知，Von Wong用塑料垃圾制作的雕塑想让人们重新审视与一次性塑料制品的关系，由此可知他做这个雕塑的目的是为了引起公众对塑料垃圾的关注。故选C项。
【29题】推理判断题。根据第三段“Just 9% of global plastic waste is recycled. Plastic straws are by no means the biggest source(来源) of plastic pollution, but they’ve recently come under fire because most people don’t need them to drink with and, because of their small size and weight, they cannot be recycled. Every straw that’s part of Von Wong’s artwork likely came from a drink that someone used for only a few minutes. Once the drink is gone, the straw will take centuries to disappear.(全球只有9%的塑料垃圾被回收。塑料吸管绝不是最大的塑料污染源，但它们最近却受到了抨击，因为大多数人不需要吸管喝饮料，而且由于它们体积小、重量轻，无法回收利用。冯·王作品中的每一根吸管都很可能来自只喝了几分钟的饮料。一旦饮料消失了，吸管也要几个世纪才能消失。)”可知，吸管由于体积小，重量轻，无法回收利用，由此可推知，作者在第三段讨论吸管是为了展示它们回收的困难。故选A项。
【30题】推理判断题。根据倒数第二段“In a piece form 2018, Von Wong wanted to illustrate(说明) a specific statistic: Every 60 seconds, a truckload’s worth of plastic enters the ocean. For this work, titled “Truckload of Plastic,” Von Wong and a group of volunteers collected more than 10,000 pieces of plastic, which were then tied together to look like they’d been dumped(倾倒) from a truck all at once.(在2018年的一个作品中，冯·王(Von Wong)想要说明一个具体的统计数字：每60秒，就有一卡车塑料进入海洋。这项名为“一卡车塑料”的作品，冯·王和一组志愿者收集了一万多块塑料，然后把它们绑在一起，让它们看起来像是同时从卡车上倾倒下来的。)”可知，这个作品以创新的方式让人们了解到塑料垃圾以很快的速度和很大的量倾入海洋，刷新了观众对海洋塑料污染的认知，由此可推断，这个作品会让观众对塑料垃圾进入海洋这件事“耳目一新”。故选C项。
【31题】标题判断题。通读全文，结合第一段“But does one plastic straw or cup really make a difference? Artist Benjamin Von Wong wants you to know that it does. He builds massive sculptures out of plastic garbage, forcing viewers to re-examine their relationship to single-use plastic products.(但一根塑料吸管或一个塑料杯真的有什么区别吗？艺术家本杰明·冯·王(Benjamin Von Wong)想让你知道，它确实如此。他用塑料垃圾建造巨大的雕塑，迫使观众重新审视他们与一次性塑料产品的关系。)”和倒数第二段“In a piece form 2018, Von Wong wanted to illustrate(说明) a specific statistic: Every 60 seconds, a truckload’s worth of plastic enters the ocean. For this work, titled “Truckload of Plastic,” Von Wong and a group of volunteers collected more than 10,000 pieces of plastic, which were then tied together to look like they’d been dumped(倾倒) from a truck all at once.(在2018年的一个作品中，冯·王(Von Wong)想要说明一个具体的统计数字：每60秒，就有一卡车塑料进入海洋。这项名为“一卡车塑料”的作品，冯·王和一组志愿者收集了一万多块塑料，然后把它们绑在一起，让它们看起来像是同时从卡车上倾倒下来的。)”可知艺术家本杰明·冯·王(Benjamin Von Wong)通过利用塑料垃圾制作巨型雕塑的方法来提示人们重新思考与一次性塑料的关系，唤醒和提高人们循环利用的意识，促进环保的发展。由此可知，D项“海洋塑料变成雕塑”符合文章主旨，适合作为标题。故选D项。
7.（2021年全国乙卷）D
During an interview for one of my books, my interviewer said something I still think about often. Annoyed by the level of distraction（干扰）in his open office, he said, “That’s why I have a membership at the coworking space across the street — so I can focus”. His comment struck me as strange. After all, coworking spaces also typically use an open office layout（布局）. But I recently came across a study that shows why his approach works.
The researchers examined various levels of noise on participants as they completed tests of creative thinking. They were randomly divided into four groups and exposed to various noise levels in the background, from total silence to 50 decibels（分贝）, 70 decibels, and 85 decibels. The differences between most of the groups were statistically insignificant; however, the participants in the 70 decibels group — those exposed to a level of noise similar to background chatter in a coffee shop — significantly outperformed the other groups. Since the effects were small, this may suggest that our creative thinking does not differ that much in response to total silence and 85 decibels of background noise.
But since the results at 70 decibels were significant, the study also suggests that the right level of background noise — not too loud and not total silence — may actually improve one’s creative thinking ability. The right level of background noise may interrupt our normal patterns of thinking just enough to allow our imaginations to wander, without making it impossible to focus. This kind of “distracted focus” appears to be the best state for working on creative tasks.
So why do so many of us hate our open offices? The problem may be that, in our offices, we can’t stop ourselves from getting drawn into others’ conversations while we’re trying to focus. Indeed, the researchers found that face-to-face interactions and conversations affect the creative process, and yet a coworking space or a coffee shop provides a certain level of noise while also providing freedom from interruptions.
32.Why does the interviewer prefer a coworking space?
A. It helps him concentrate. B. It blocks out background noise.
C. It has a pleasant atmosphere. D. It encourages face-to-face interactions.
33. Which level of background noise may promote creative thinking ability?
A. Total silence. B. 50 decibels C. 70 decibels. D. 8 5 decibels.
34. What makes an open office unwelcome to many people?
A. Personal privacy unprotected. B. Limited working space.
C. Restrictions on group discussion. D. Constant interruptions.
35. What can we infer about the author from the text?
A. He’s a news reporter.
B. He’s an office manager.
C. He’s a professional designer.
D. He’s a published writer.
【答案】32. A 33. C 34. D 35. D
【解析】
【分析】这是一篇说明文。作者通过自身经历讲述人们为什么不喜欢开放性办公室以及有关多少分贝的噪音最有利于人们的创造性思维的研究。
【32题】细节理解题。根据第一段“That’s why I have a membership at the coworking space across the street - so I can focus.（这就是为什么我在街对面的公用办公空间有会员资格——这样我就可以集中精力了。）”可知，采访者喜欢共享办公空间的原因是那里可以帮助他集中精力。故选A项。
【33题】细节理解题。根据第二段“The differences between most of the groups were statistically insignificant; however, the participants in the 70 decibels group - those exposed to a level of noise similar to background chatter in a coffee shop - significantly outperformed the other groups.（大多数组之间的差异在统计学上是不显著的；然而，音量为70分贝的那组参与者（置身于类似于咖啡店背景噪音的环境中）的表现明显好于其他组。）”和第三段“But since the results at 70 decibels were significant, the study also suggests that the right level of background noise - not too loud and not total silence - may actually improve one's creative thinking ability.（但由于70分贝的结果很显著，该研究还表明，适当的背景噪音——不要太大声，也不要完全安静——实际上可能会提高一个人的创造性思维能力。）”可知，70分贝的那组参与者表现好于其他组，所以70分贝的噪音背景环境更有可能促进创造性思维能力。故选C项。
【34题】细节理解题。根据最后一段“So why do so many of us hate our open offices? The problem may be that, in our offices, we can't stop ourselves from getting drawn into others' conversations while we're trying to focus. Indeed, the researchers found that face-to-face interactions and conversations affect the creative process, and yet a coworking space or a coffee shop provides a certain level of noise while also providing freedom from interruptions.（那么，为什么我们中有那么多人讨厌开放式办公室呢？问题可能是，在我们的办公室里，当我们试图集中注意力时，我们无法阻止自己卷入别人的谈话中。的确，研究人员发现，面对面的互动和对话会影响创作过程，然而，共同工作空间或咖啡馆在提供一定程度的噪音的同时，也提供不受干扰的自由。）”可知，开放式办公室不受人们欢迎的原因是让我们不断地卷入别人的谈话中，受到很多干扰。故选D 项。
【35题】推理判断题。根据第一段“During an interview for one of my books, my interviewer said something I still think about often.（在一次采访我的一本书时，我的采访者说了一些我至今还经常想起的话。）”可知，作者提到有人采访自己的书，所以可以推断，作者是一位作家。故选D项。
8.（2021年天津卷）A trial project by the Montreal Children's Hospital suggested that the use of medical hypnosis(催眠)can reduce pain and anxiety in patients. The project also resulted in a reduction in the amount of medicines used to perform medical-imaging imaging(医学影像) procedures.
“During the examination children don't move. It works perfectly. It's amazing,“ said Johanne L'Ecuyer, a medical-imaging technologist at the hospital.
The project was inspired by a French team from Rouen University Hospital Centre where examinations are done under hypnosis instead of general anesthesia(麻醉）.
A French medical-imaging technologist-also a hypnotist — was invited to train a few members in the medical-imaging department of the children's hospital. In all, 80 examinations were conducted for the project between January and September, 2019, focusing on the imaging procedures that would cause anxiety.
Hypnosis is not a state of sleep: It is rather a modified(改变的)state of consciousness. The technologist will guide the patient to this modified state—an imaginary world that will disassociate itself more and more from the procedure that follows.
“The technologist must build up a story with the patient," Ms. L'Ecuyer said. "The patient is left with the power to choose what he wants to talk about. Do you play sports? Do you like going to the beach? We establish a subject that we will discuss throughout the procedure."
Everything that happens next during the procedure must be related to this story — an injection （注射）becomes the bite of an insect; the heat on the skin becomes the sensation of the sun and a machine that rings becomes a police car passing nearby.
“The important thing is that the technologist associates what is happening outside the patient's body with what the patient sees in his head," Ms. L'Ecuyer said. "It requires creativity on the part of the technologist, imagination, a lot of patience and kindness."
The procedure appealed to the staff a lot when it was introduced in January. It spread like wildfire that someone from France was here to train the technologists," Ms. L'Ecuyer said. She added that she had a line of staff at her door wanting to take the training.
51．One of the results produced by the trial project is ________ .
A．a better understanding of children
B．less use of certain medicines
C．new medical-imaging technology
D．an improved reputation of the hospital
52．The French technologist came to the children's hospital to ________.
A．assist in treating a patient
B．carry out hypnosis training
C．start up a new department
D．learn about the procedure
53．According to Paragraph 5, hypnosis works by ________.
A．creating a perfect world for patients
B．forcing patients into a state of deep sleep
C．putting patients into an unconscious state
D．leading patients' consciousness away from reality
54．What can we learn about the story used in the procedure?
A．It should keep pace with the procedure.
B．It reflects the patient's creativity.
C．It is selected by the technologist.
D．It tells what doctors are doing to the patient.
55．The procedure was received among the staff with ________.
A．uncertainty
B．enthusiasm
C．worry
D．criticism
56．What is the passage mainly about?
A．An easy way to communicate with patients.
B．The standard method of conducting hypnosis.
C．An introduction of medical-imaging technology.
D．The use of hypnosis in medical-imaging procedures.

【答案】
51．B
52．B
53．D
54．A
55．B
56．D
【解析】本文是一篇说明文。文章主要讲述了蒙特利尔儿童医院的一个试验项目表明催眠技术的使用可以减轻病人的痛苦和焦虑。一位法国医学影像技术专家——也是一位催眠师被邀请到儿童医院的医学影像部门培训几位员工。
51．细节理解题。根据第一段“The project also resulted in a reduction in the amount of medicines used to perform medical-imaging(医学影像)procedures.”（该项目还导致用于医学影像程序的药品数量减少。）可知，实验的结果之一就是减少某些药物的使用。故选B。
52．细节理解题。根据第三段“A French medical-imaging technologist--also a hypnotist -- was invited to train a few members in the medical-imaging department of the children's hospital.”（一位法国医学影像技术专家——也是一位催眠师被邀请到儿童医院的医学影像部门培训几位员工）可知，法国技术专家来儿童医院是做催眠培训来的。故选B。
53．细节理解题。根据第五段第一句“Hypnosis is not a state of sleep: It is rather a modified （改变的）state of consciousness. The technologist will guide the patient to this modified state—an imaginary world that will disassociate itself more and more from the procedure that follows.”（催眠状态不是一种睡眠的状态：而是一种被改变的意识状态。技术专家会引导病人进入这种改变的状态——一个想象中的世界，它会越来越脱离接下来的程序）可知，催眠是引导病人的意识远离现实，进入一个想象中的世界。故选D。
54．推理判断题。根据倒数第三段“Everything that happens next during the procedure must be related to this story”（催眠过程中接下来发生的一切都必须和这个故事有关）以及倒数第二段“The important thing is that the technologist associates what is happening outside the patient's body with what the patient sees in his head”（重要的是技术专家把病人身体外发生的事情和他在大脑里看到的联系起来）可知，故事必须跟整个催眠过程同步。故选A。
55．细节理解题。根据倒数第一段“The procedure appealed to the staff a lot when it was introduced in January.”（这个程序在一月份开始引进的时候，吸引了很多员工）以及最后一句“She added that she had a line of staff at her door wanting to take the training.”（她补充说，有一队员工在她门口等着接受培训）可知，这个催眠程序受到了员工的欢迎。A. uncertainty 不确定；B. enthusiasm 热情；C. worry 担心；D. criticism 批评。故选B。
56．主旨大意题。根据文章第一段“A trial project by the Montreal Children's Hospital suggested that the use of medical hypnosis(催眠)can reduce pain and anxiety in patients. The project also resulted in a reduction in the amount of medicines used to perform medical-imaging imaging(医学影像) procedures.”（蒙特利尔儿童医院的一个试验项目表明催眠技术的使用可以减轻病人的痛苦和焦虑。一位法国医学影像技术专家——也是一位催眠师被邀请到儿童医院的医学影像部门培训几位员工）可知，全文主要讲述催眠技术在医学影像程序中的应用。故选D。
9.（2021年1月浙江）You run into the grocery store to pick up one bottle of water. You get what you need, head to the front, and choose the line that looks fastest.
You chose wrong. People who you swear got in other lines long after you are already checked out and off to the parking lot. 1．It turns out, it's just math working against you; chances are, the other line really is faster.
Grocery stores try to have enough employees at checkout to get all their customers through with minimum delay. 2．Any small interruption - a price check, a chatty customer-can have downstream effects, holding up an entire line.
If there are three lines in the store, delays will happen randomly at different registers. Think about the probability:3．So it's not just in your mind: Another line probably is moving faster.
Researchers have a good way to deal with this problem. Make all customers stand in one long, snaking line- called a serpentine line - and serve each person at the front with the next available register. 4．This is what they do at most banks and fast-food restaurants. With a serpentine line, a long delay at one register won't unfairly punish the people who lined up behind it. Instead, it will slow down everyone a little bit but speed up checkout overall.
5．It takes many registers to keep one line moving quickly, and some stores can't afford the space or manpower. So wherever your next wait may be: Good luck.
A．Why does this always seem to happen to you?
B．So why don't most places encourage serpentine lines?
C．Some of the may have stood in a queue for almost an hour.
D．The chances of your line being the fastest are only one in three.
E.How high is the probability that you are in the fastest waiting line?
F.With three registers, this method is much faster than the traditional approach.
G.But sometimes, as on a Sunday afternoon, the system gets particularly busy.

【答案】
1．A
2．G
3．D
4．F
5．B
【分析】
本文是说明文。文章说明了杂货店排队方式以及研究人员提出的蛇形队伍的新方式，并分析了各自的利弊。
1．下文“It turns out, it's just math working against you; chances are, the other line really is faster. （原来，这只是你的数学问题；很可能，另一个队伍真的更快。）”解释了上文“You chose wrong.(你选错了)”的原因，下文与空格处是因果关系，所以本空应该是对前文选错提出疑惑，故选A项。
2．上文“Grocery stores try to have enough employees at checkout to get all their customers through with minimum delay.（杂货店尽量让足够的员工在结账时让所有的顾客以最小的延误完成结账。）”解释了杂货店之前的工作模式，下文“Any small interruption a price check, a chatty customer -can have downstream effects, holding up an entire line.（任何一个小小的中断，一个价格检查，一个喋喋不休的顾客，都会产生下游效应，拖住整个生产线。）”描述了杂货店的特殊情况，故本空应该填出现特殊情况的原因，故选G项。
3．根据上文“If there are three lines in the store, delays will happen randomly at different registers. （如果杂货店中有三列队伍，延迟将在不同的队伍中随机发生。）”联系下文“So it's not just in your mind: Another line probably is moving faster.（所以这不仅仅是在你的脑海里：另一条队伍可能移动得更快。）”可知本空说的是任何一个队伍都有可能出现问题。你的队伍跑得最快的几率只有三分之一。故选D项。
4．根据“上文Researchers have a good way to deal with this problem.(我们得知研究人员有一个很好的方法来处理这个问题)”以及下文“This is what they do at most banks and fast-food restaurants. With a serpentine line, a long delay at one register won't unfairly punish the people who lined up behind it. Instead, it will slow down everyone little bit but speed up checkout overall.（这个大多数银行和快餐店都是这样做的。有了一条蜿蜒的队伍，在一个登记处长时间拖延不会不公平地惩罚后面排队的人。相反，它会减慢每个人一点点，但加快了整体结帐速度。）”说明这个新方案迅速有效，联系上下文可知，空格中应该是与旧的结账方案作比较。故选F项。
5．结合下文“It takes many registers to keep one line moving quickly, and some stores can't afford the space or manpower.（要保持一条生产线的快速运转，需要很多的收银机，而且有些商店负担不起空间和人力。）”说明了一个原因，由此可知，空格处提出了一个问题；通过“It takes many registers to keep one line moving quickly.(保持一条生产线的快速运转)”可知这里描述的是不鼓励蛇形队伍的原因。故选B项。
10.（2021年1月浙江卷）At the start of the 20th century, an American engineer named John Elfreth Watkins made predictions about life today. His predictions about slowing population growth, mobile phones and increasing height were close to the mark. But he was wrong in one prediction: that everybody would walk 10 miles a day.
Today, in Australia, most children on average fall 2, 000 steps short of the physical activity they need to avoid being overweight. In the early 1970s, 40 per cent of children walked to school, while in 2010, it was as low as 15 per cent.
The decline is not because we have all become lazy. Families are pressed for time, many with both parents working to pay for their house, often working hours not of their choosing, living in car-dependent neighborhoods with limited public transport.
The other side of the coin is equally a deprivation: for health and well-being, as well as lost opportunities（机会）for children to get to know their local surroundings. And for parents there are lost opportunities to walk and talk with their young scholar about their day.
Most parents will have eagerly asked their child about their day, only to meet with a “good”, quickly followed by "I'm hungry". This is also my experience as a mother. But somewhere over the daily walk more about my son's day comes out. I hear him making sense of friendship and its limits. This is the unexpected and rare parental opportunity to hear more.
Many primary schools support walking school-bus routes（路线）, with days of regular, parent-accompanied walks. Doing just one of these a few times a week is better than nothing. It can be tough to begin and takes a little planning-running shoes by the front door, lunches made the night before, umbrellas on rainy days and hats on hot ones-but it's certainly worth trying.
41．Why does the author mention Watkins' predictions in the first paragraph?
A．To make comparisons. B．To introduce the topic.
C．To support her argument. D．To provide examples.
42．What has caused the decrease in Australian children's physical activity?
A．Plain laziness. B．Health problems.
C．Lack of time. D．Security concerns.
43．Why does the author find walking with her son worthwhile?
A．She can get relaxed after work. B．She can keep physically fit.
C．She can help with her son's study. D．She can know her son better.

【答案】
41．B
42．C
43．D
【分析】
这是一篇说明文。文章通过否定沃特金斯的预言，进而提出现在人们时间的紧缺和陪伴的重要性。
41．推理判断题。通过文章第二段“Today: in Australia: most children on average fall 2: 000 steps short of the physical activity they need to avoid being overweight. In the early 1970s, 40 percent of children walked to school while in 2010, it was as low as15 percent.(今天：在澳大利亚：大多数孩子平均比避免超重所需的体力活动少了2000步。在上世纪70年代初，40%的孩子步行上学，而在2010年，这一比例降至15%)”说明作者根据沃特金斯的预言做了相关调查，并且写下了这篇文章。通读全文得知作者在第一段提到沃特金斯的预言，是为了介绍文章主题。故选B项。
42．细节理解题。通过文章第三段中“Families are pressed for time: many with both parents working to pay for their house, often working hours not of their choosing, living in car-dependent neighborhoods with limited public transport.(家庭时间紧迫：许多家庭的父母都在为房子买单而工作，工作时间往往不是他们自己选择的，他们住在公共交通有限的依赖汽车的社区)”可知，导致澳大利亚儿童体育活动的减少的原因是时间不够。故选C项。
43．细节理解题。通过文章倒数第二段中“But somewhere over the daily walk more about my son’s day comes out. I hear him making sense of friendship and its limits. This is the unexpected and rare parental opportunity to hear more.(但是，在每天散步的某个地方，更多关于我儿子日常的事情出现了。我听到他在理解友谊及其局限性。这是一个意想不到的难得的机会，家长听到更多)”说明作者觉得和儿子一起散步能让她更了解她的儿子。故选D项。
11.（2021年1月浙江卷）Researchers say they have translated the meaning of gestures that wild chimpanzees (黑猩猩) use to communicate. They say wild chimps communicate 19 specific messages to one another with a "vocabulary" of 66 gestures. The scientists discovered this by following and filming groups of chimps in Uganda, and examining more than 5,000 incidents of these meaningful exchanges.
Dr Catherine Hobaiter, who led the research, said that this was the only form of intentional communication to be recorded in the animal kingdom. Only humans and chimps, she said, had a system of communication where they deliberately sent a message to another group member.
"That's what's so amazing about chimp gestures," she said. "They're the only thing that looks like human language in that respect. ”
Although previous research has shown that apes and monkeys can understand complex information from another animal's call, the animals do not appear to use their voices intentionally to communicate messages. This was a significant difference between calls and gestures, Dr Hobaiter said.
Chimps will check to see if they have the attention of the animal with which they wish to communicate. In one case, a mother presents her foot to her crying baby, signaling:" Climb on me. " The youngster immediately jumps on to its mothers back and they travel off together. "The big message from this study is that there is another species (物种) out there. that is meaningful in its communication, so that's not unique to humans," said Dr Hobaiter.
Dr Susanne Shultz, an evolutionary biologist from the University of Manchester, said the study was praiseworthy in seeking to enrich our knowledge of the evolution of human language. But, she added, the results were "a little disappointing".
"The vagueness of the gesture meanings suggests either that the chimps have little to communicate, or we are still missing a lot of the information contained in their gestures and actions," she said. "Moreover, the meanings seem to not go beyond what other animal convey with non-verbal communication. So, it seems the gulf remains. "
44．What do chimps and humans have in common according to Dr Hobaiter?
A．Memorizing specific words. B．Understanding complex information.
C．Using voices to communicate. D．Communicating messages on purpose.
45．What did Dr Shultz think of the study?
A．It was well designed but poorly conducted.
B．It was a good try but the findings were limited.
C．It was inspiring but the evidence was unreliable.
D．It was a failure but the methods deserved praise.
46．What does the underlined word "gulf" in the last paragraph mean?
A．Difference. B．Conflict. C．Balance. D．Connection.
47．Which of the following is the best title for the text?
A．Chimpanzee behaviour study achieved a breakthrough
B．Chimpanzees developed specific communication skills
C．Chimpanzees: the smartest species in the animal kingdom
D．Chimpanzee language: communication gestures translated

【答案】
44．D
45．B
46．A
47．D
【分析】
这是一篇说明文。主要介绍了科学家们通过跟踪和拍摄乌干达的黑猩猩群，翻译出了黑猩猩用来交流的手势含义。
44．细节理解题。根据第二段中的“Only humans and chimps, she said, had a system of communication where they deliberately sent a message to another group member.（她说，只有人类和黑猩猩有一个交流系统，他们故意向其他成员发送信息）”可知，根据Dr Hobaiter，黑猩猩和人类的共同点在于故意传递信息，故选D。
45．推理判断题。根据第六段中的“Dr Susanne Shultz, an evolutionary biologist from the University of Manchester, said the study was praiseworthy in seeking to enrich our knowledge of the evolution of human language. But, she added, the results were“a little disappointing”（曼彻斯特大学的进化生物学家苏珊娜·舒尔茨博士说，这项研究是值得称赞的，它试图丰富我们对人类语言进化的知识。但是，她补充说，结果“有点令人失望”）”可知，这项研究是一个好的尝试，但是发现的结果是有限的。故选B。
46．词义猜测题。首先根据第三段中的“They’re the only thing that looks like human language in that respect.（在这方面，它们是唯一看起来像人类语言的东西）”可知，黑猩猩的手势交流很像我们人类语言的交流方式。但是根据最后一段中的“Moreover, the meanings seem to not go beyond what other animals convey with non-verbal communications.（此外，这些含义似乎并不超越其他动物通过非语言交流所传达的信息）”可知，黑猩猩手势的交流方式还是和我们语言的交流方式存在不同的，也就是“So, it seems the gulf remains.（所以，看来差异依然存在）”，故gulf的意思是difference，故选A。
47．主旨大意题。根据第一段的“Researchers say they have translated the meaning of gestures that wild chimpanzees use to communicate.（研究人员表示，他们已经翻译出了野生黑猩猩用来交流的手势的含义）”以及文章对这方面的讨论可知，文章主要讲科学家们对黑猩猩手势的研究及一些成果，所以D项：黑猩猩语言：翻译出来的交流手势，这一题目涵盖文章的内容。故选D。
12.（2021年6月浙江卷）C
If you ever get the impression that your dog can "tell" whether you look content or annoyed, you may be onto something. Dogs may indeed be able to distinguish between happy and angry human faces, according to a new study
Researchers trained a group of 11 dogs to distinguish between images(图像)of the same person making either a happy or an angry face. During the training stage, each dog was shown only the upper half or the lower half of the person's face. The researchers then tested the dogs' ability to distinguish between human facial expressions by showing them the other half of the person's face on images totally different from the ones used in training. The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.
The study showed the animals had figured out how to apply what they learned about human faces during training to new faces in the testing stage. "We can rule out that the dogs simply distinguish between the pictures based on a simple cue, such as the sight of teeth," said study author Corsin Muller. "Instead, our results suggest that the successful dogs realized that a smiling mouth means the same thing as smiling eyes, and the same rule applies to an angry mouth having the same meaning as angry eyes."
"With our study, we think we can now confidently conclude that at least some dogs can distinguish human facial expressions," Muller told Live Science.
At this point, it is not clear why dogs seem to be equipped with the ability to recognize different facial expressions in humans. "To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions," and this exposure has provided them with many chances to learn to distinguish between them, Muller said.
8. The new study focused on whether dogs can_________.
A. distinguish shapes B. make sense of human faces
C. feel happy or angry D. communicate with each other
9. What can we learn about the study from paragraph 2?
A. Researchers tested the dogs in random order.
B. Diverse methods were adopted during training.
C. Pictures used in the two stages were different
D. The dogs were photographed before the lest.
10. What is the last paragraph mainly about?
A. A suggestion for future studies. B. A possible reason for the study findings.
C. A major limitation of the study D. An explanation of the research method.
【答案】8. B 9. C 10. B
【解析】
【分析】这是一篇说明文。一项研究证明狗能够识别人类面部表情，但目前还不清楚它们为什么有这种能力，可能的原因是它们长时间与人类共同生活。
【8题】细节理解题。根据第二段的“Researchers trained a group of 11 dogs to distinguish between images of the same person making either a happy or an angry face.(研究人员训练了11只狗来区分同一个人脸上的表情是高兴还是愤怒)”可知，该新研究的关注点是狗是否能够区分人的面部表情。故选B。
【9题】细节理解题。根据第二段的“During the training stage, each dog was shown only the upper half or the lower half of the person’s face. The researchers then tested the dogs’ ability to distinguish between human facial expressions by showing them the other half of the person’s face or images totally different from the ones used in training.(在训练阶段，每只狗只看到人脸的上半部分或下半部分。研究人员随后测试了狗辨别人类面部表情的能力，向狗展示了人的另一半面部或与训练中使用的完全不同的图像)”可知，在训练和测试阶段，狗看的照片是不一样的。故选C。
【10题】主旨大意题。根据最后一段的““To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions, and this exposure has provided them with many chances to learn to distinguish between them” Muller said.(Muller说：“对我们来说，最可能的解释似乎是，基于他们与人类生活在一起，这让他们有很多机会接触人类的面部表情，而这种接触为他们提供了很多机会，让他们学会区分他们。”)”可知，最后一段主要讲述了狗能够辨别人类面部表情的可能原因。故选B。
【2020年】
1.（2020·新课标Ⅰ）B
Returning to a book you’ve read many times can feel like drinks with an old friend. There’s a welcome familiarity - but also sometimes a slight suspicion that time has changed you both, and thus the relationship. But books don’t change, people do. And that’s what makes the act of rereading so rich and transformative.
The beauty of rereading lies in the idea that our bond with the work is based on our present mental register. It’s true, the older I get, the more I feel time has wings. But with reading, it’s all about the present. It’s about the now and what one contributes to the now, because reading is a give and take between author and reader. Each has to pull their own weight.
There are three books I reread annually The first, which I take to reading every spring is Emest Hemningway’s A Moveable Feast. Published in 1964, it’s his classic memoir of 1920s Paris. The language is almost intoxicating (令人陶醉的)，an aging writer looking back on an ambitious yet simpler time. Another is Annie Dillard’s Holy the Firm, her poetic 1975 ramble (随笔) about everything and nothing. The third book is Julio Cortazar’s Save Twilight: Selected Poems, because poetry. And because Cortazar.
While I tend to buy a lot of books, these three were given to me as gifs, which might add to the meaning I attach to them. But I imagine that, while money is indeed wonderful and necessary, rereading an author’s work is the highest currency a reader can pay them. The best books are the ones that open further as time passes. But remember, it’s you that has to grow and read and reread in order to better understand your friends.
24. Why does the author like rereading?
A. It evaluates the writer-reader relationship.
B. It’s a window to a whole new world.
C. It’s a substitute for drinking with a friend.
D. It extends the understanding of oneself.
25. What do we know about the book A Moveable Feas!?
A. It’s a brief account of a trip.
B. It’s about Hemingway’s life as a young man.
C. It’s a record of a historic event.
D. It’s about Hemingway’s friends in Paris.
26. What does the underlined word ＂currency＂ in paragraph 4 refer to?
A. Debt
B. Reward.
C Allowance.
D. Face value.
27. What can we infer about the author from the text?
A. He loves poetry.
B. He’s an editor.
C. He’s very ambitious.
D. He teaches reading.
【答案】24. D 25. B 26. B 27. A
【解析】这是一篇说明文。短文介绍了重新阅读的意义和益处并向读者介绍了作者每年重读的三本书。作者鼓励读者去重新阅读书籍。
24.推理判断题。根据第一段最后两句“But books don’t change, people do. And that’s what makes the act of rereading so rich and transformative.(但是书没变，人变了。那就是使重新阅读行为如此丰富和富于变化之处)”和第二段“The beauty of rereading lies in that our bond with the work is based on our present register. It is true, the older I get, the more I feel time has wings.(重新阅读的美妙之处在于我们与作品的联系是基于我们现在的心理状态。真的，我年纪越大，就越觉得时光飞逝。)”可推知，作者喜欢重新阅读是因为重新阅读可以扩展对自己的理解。故选D项。
25.推理判断题。根据倒数第二段“Published in 1964, it’s his classic memoir of 1920s Paris.”及“an aging writer looking back on an ambitious yet simpler time”可知，这本书出版于1964年，这是他关于20世纪20年代在巴黎的经典回忆录，是他老年时对那些野心勃勃却更简单的日子的回顾。由此可判断出A Movable Feast是关于海明威年轻时的生活。故选B项。
26.词义猜测题。根据最后一段中“while money is indeed wonderful and necessary,(虽然金钱确实是美妙而必要的)”可知，前后句为转折关系，根据上下文的语境可推知，“rereading an author’s work is the highest currency a reader can pay them.”意为“但是但重新阅读作品是读者能支付给他们的最高回报”，由此判断出划线词的意思是“回报”。故选B项。
27.推理判断题。根据倒数第二段“The third book is Julio Cortázar’s Save Twilight: selected poems, because poetry.(第三本书是胡里奥·科塔扎的《拯救暮光之城: 诗歌精选》，因为诗歌)”可知，作者是由于喜欢诗歌而喜欢这本书。故选A项。
2.（2020·新课标Ⅰ）C
Race walking shares many fitness benefits with running, research shows, while most likely contributing to fewer injuries. It does, however, have its own problem.
Race walkers are conditioned athletes. The longest track and field event at the Summer Olympics is the 50-kilometer race walk, which is about five miles longer than the marathon. But the sport’s rules require that a race walker’s knees stay straight through most of the leg swing and one foot remain in contact (接触) with the ground at all times. It’s this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.
Like running, race walking is physically demanding, she says, According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories(卡路里) per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
However, race walking does not pound the body as much as running does, Dr. Norberg says. According to her research, runners hit the ground with as much as four times their body weight per step, while race walkers, who do not leave the ground, create only about 1.4 times their body weight with each step.
As a result, she says, some of the injuries associated with running, such as runner’s knee, are uncommon among race walkers. But the sport’s strange form does place considerable stress on the ankles and hips, so people with a history of such injuries might want to be cautious in adopting the sport. In fact, anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique, she says. It takes some practice.
28. Why are race walkers conditioned athletes?
A. They must run long distances.
B. They are qualified for the marathon.
C. They have to follow special rules.
D. They are good at swinging their legs.
29. What advantage does race walking have over running?
A. It’s more popular at the Olympics.
B. It’s less challenging physically.
C. It’s more effective in body building.
D. It’s less likely to cause knee injuries.
30. What is Dr. Norberg’s suggestion for someone trying race walking?
A. Getting experts’ opinions.
B. Having a medical checkup.
C. Hiring an experienced coach.
D. Doing regular exercises.
31. Which word best describes the author’s attitude to race walking?
A. Skeptical. B. Objective.
C. Tolerant. D. Conservative.
【答案】28. C 29. D 30. A 31. B
【解析】这是一篇说明文。短文介绍了竞走相比跑步有诸多的优势，但是之前受过伤的人，要想从事这样运动要谨慎，最好咨询专家的建议。
28.细节理解题。根据第二段“But the sport’s rules require that a race walker’s knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times.”可知，但这项运动的规则要求竞走者的膝盖在摆动腿的大部分时间保持伸直，一只脚始终与地面接触。由此可知，竞走运动员是需要具备某些条件的运动员是因为运动员需要遵守特殊的规则。故选C项。
29.细节理解题。根据最后一段“As a result, she says, some of the injuries associated with running, such as runner’s knee, are uncommon among race walkers.”可知，一些与跑步有关的损伤，比如跑步者的膝盖，在竞走者中并不常见。由此可知，竞走与跑步相比的优势是不太可能导致膝盖受伤。故选D项。
30.细节理解题。根据最后一段Dr. Norberg说的话“In fact, anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique(事实上，任何想尝试竞走的人都应该首先咨询教练或有经验的竞走运动员，学习适当的技巧。)”可知，Dr. Norberg建议想尝试竞走的人征询专家的建议。故选A项。
31.推理判断题。根据第一段“Race walking shares many fitness benefits with running, research shows, while most likely contributing to fewer injuries. It does, however, have its own problem.”可知，研究表明，竞走和跑步一样有很多健身益处，而且它还很少导致受伤。不过，它也有自己的问题。由此判断出作者对于竞走的态度是客观的。故选B项。
3.（2020·新课标Ⅰ）D
The connection between people and plants has long been the subject of scientific research. Recent studies have found positive effects. A study conducted in Youngstown，Ohio，for example, discovered that greener areas of the city experienced less crime. In another，employees were shown to be 15% more productive when their workplaces were decorated with houseplants.
The engineers at the Massachusetts Institute of Technology(MIT)have taken it a step further changing the actual composition of plants in order to get them to perform diverse，even unusual functions. These include plants that have sensors printed onto their leaves to show when they’re short of water and a plant that can detect harmful chemicals in groundwater. ＂We’re thinking about how we can engineer plants to replace functions of the things that we use every day,＂explained Michael Strano, a professor of chemical engineering at MIT.
One of his latest projects has been to make plants grow(发光)in experiments using some common vegetables. Strano’s team found that they could create a faint light for three-and-a-half hours. The light，about one-thousandth of the amount needed to read by，is just a start. The technology, Strano said, could one day be used to light the rooms or even to turn tree into self-powered street lamps.
in the future，the team hopes to develop a version of the technology that can be sprayed onto plant leaves in a one-off treatment that would last the plant’s lifetime. The engineers are also trying to develop an on and off＂switch＂where the glow would fade when exposed to daylight.
Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source(电源)-such as the distance from a power plant to street lamps on a remote highway-a lot of energy is lost during transmission(传输).
Glowing plants could reduce this distance and therefore help save energy.
32. What is the first paragraph mainly about?
A. A new study of different plants.
B. A big fall in crime rates.
C. Employees from various workplaces.
D. Benefits from green plants.
33. What is the function of the sensors printed on plant leaves by MIT engineer?
A. To detect plants’ lack of water
B. To change compositions of plants
C. To make the life of plants longer.
D. To test chemicals in plants.
34. What can we expect of the glowing plants in the future?
A. They will speed up energy production.
B. They may transmit electricity to the home.
C. They might help reduce energy consumption.
D. They could take the place of power plants.
35. Which of the following can be the best title for the text?
A. Can we grow more glowing plants?
B. How do we live with glowing plants?
C. Could glowing plants replace lamps?
D. How are glowing plants made pollution-free?
【答案】32. D 33. A 34. C 35. C
【解析】这是一篇说明文。文章主要说明了绿色植物对人们很有好处，因此麻省理工学院的工程师开发了一种发光植物。文章介绍了他们发明这种植物的过程，以及这种植物的一些优势，指出在未来发光植物有可能取代路灯，达到节约能源的作用。
32.主旨大意题。根据第一段中A study conducted in Youngstown, Ohio, for example ,discovered that greener areas of the city experienced less crime. In another, employees were shown to be 15% more productive when their workplaces were decorated with houseplants.可知例如，在俄亥俄州扬斯敦进行的一项研究发现，城市绿化较好的地区犯罪率较低。在另一项研究中，当员工的工作场所被室内植物装饰时，他们的工作效率会提高15%。由此可知，第一段的主旨是关于绿色植物的益处。故选D。
33.细节理解题。根据第二段中These include plants that have sensors printed on their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater.可知这就包括叶子上印有传感器来显示植物缺水的情况的植物，还有一种植物可以检测到地下水中的有害化学物质。由此可知，麻省理工学院工程师植物叶片上印上传感器的作用是检测植物缺水的情况。故选A。
34.细节理解题。根据最后一段中Glowing plants could reduce this distance and therefore help save energy.可知发光的植物可以缩短这段距离，从而帮助节约能源。由此可知，这种发光的植物在未来可能有助于减少能源消耗。故选C。
35.主旨大意题。根据最后一段中Lighting accounts for about 7%of the total electricity consumed in the US. Since lighting is often far removed from the power source-such as the distance from a power plant to street lamps on a remote highway-a lot of energy is lost during transmission. Glowing plants could reduce this distance and therefore help save energy.可知照明约占美国总耗电量的7%。由于照明通常远离电源，例如从发电厂到偏僻公路上路灯的距离，在传输过程中会损失大量能源。发光的植物可以缩短这段距离，从而帮助节约能源。结合文章主要说明了绿色植物对人们很有好处，因此麻省理工学院的工程师开发了一种发光植物，文章介绍了他们发明这种植物的过程，以及这种植物的一些优势，指出在未来发光植物有可能取代路灯，达到节约能源的作用。由此可知，C选项“发光的植物能取代路灯吗？”最符合文章标题。故选C。
4.（2020·新课标Ⅱ）B
Some parents will buy any high-tech toy if they think it will help their child, but researchers said puzzles help children with math-related skills.
Psychologist Susan Levine, an expert on mathematics development in young children the University of Chicago, found children who play with puzzles between ages 2 and 4 later develop better spatial skills. Puzzle play was found to be a significant predictor of cognition(认知) after controlling for differences in parents’ income, education and the amount of parent talk, Levine said.
The researchers analyzed video recordings of 53 child-parent pairs during everyday activities at home and found children who play with puzzles between 26 and 46 months of age have better spatial skills when assessed at 54 months of age.
“The children who played with puzzles performed better than those who did not, on tasks that assessed their ability to rotate(旋转)and translate shapes,” Levine said in a statement.
The parents were asked to interact with their children as they normally would, and about half of children in the study played with puzzles at one time. Higher-income parents tended to have children play with puzzles more frequently, and both boys and girls who played with puzzles had better spatial skills. However, boys tended to play with more complex puzzles than girls, and the parents of boys provided more spatial language and were more active during puzzle play than parents of girls.
The findings were published in the journal Developmental Science.
24. In which aspect do children benefit from puzzle play?
A. Building confidence. B. Developing spatial skills.
C. Learning self-control. D. Gaining high-tech knowledge.
25. What did Levine take into consideration when designing her experiment？
A. Parents’ age. B. Children’s imagination.
C. Parents’ education. D. Child-parent relationship.
26. How do boy differ from girls in puzzle play?
A. They play with puzzles more often.
B. They tend to talk less during the game.
C. They prefer to use more spatial language.
D. They are likely to play with tougher puzzles.
27. What is the text mainly about?
A. A mathematical method. B. A scientific study.
C. A woman psychologist D. A teaching program.
【答案】24. B 25. C 26. D 27. B
【解析】本文是说明文。是关于孩子们玩智力游戏的研究，介绍了研究考虑的因素，研究过程和结果。
24.细节理解题。根据第二段中…found children who play with puzzles between ages 2 and 4 develop better spatial skill(在2岁到4岁之间玩智力游戏的儿童在空间能力方面更好)可知，孩子们可以从智力游戏中发展更好的空间技能。B. Developing spatial skills(发展空间能力)符合以上说法，故选B项。
25.细节理解题。根据第二段中Puzzle play was found to be a significant predictor of cognition after controlling for difference in parents' income, education and the amount of parent talk, Levine said.( Levine说，在控制了不同父母的收入、教育和父母谈话次数后，拼图游戏被发现是一个重要的认知预测)可知Levine在设计这个试验时考虑了父母的收入、教育程度和父母谈话的次数。C. Parents' education.(父母的教育)符合以上说法，故选C项。
26.细节理解题。根据倒数第二段中However, boys tended to play with more complex puzzles than girls,可知男孩比女孩更喜欢玩复杂的谜题，即他们可能会玩难度更大的谜题。D. They are likely to play with tougher puzzles.(他们有可能玩更复杂的谜题)符合以上说法，故选D项。
27.主旨大意题。本文是关于孩子们玩智力游戏的研究，介绍了研究考虑的因素，研究过程和结果。所以是关于科学研究的。B. A scientific study(一项科学研究)符合以上说法，故选B项。
5.（2020·新课标Ⅱ）C
When you were trying to figure out what to buy for the environmentalist on your holiday list, fur probably didn’t cross your mind. But some ecologists and fashion (时装)enthusiasts are trying to bring back the market for fur made from nutria(海狸鼠).
Unusual fashion shows in New Orleans and Brooklyn have(showcased)nutria fur made into clothes in different styles. “It sounds crazy to talk about guilt-free fur-unless you understand that the nutria are destroying vast wetlands every year”, says Cree McCree, project director of Righteous Fur.
Scientists in Louisiana were so concerned that they decided to pay hunters $5 a tail. Some of the fur ends up in the fashion shows like the one in Brooklyn last month.
Nutria were brought there from Argentina by fur farmers and let go into the wild. “The ecosystem down there can’t handle this non-native species(物种).It’s destroying the environment. It’s them or us.” says Michael Massimi, an expert in this field.
The fur trade kept nutria check for decades，but when the market for nutria collapsed in the late 1980s，the cat-sized animals multiplied like crazy.
Biologist Edmond Mouton runs the nutria control program for Louisiana. He says it’s not easy to convince people that nutria fur is green, but he has no doubt about it. Hunters bring in more than 300,000 nutria tails a year, so part of Mouton’s job these days is trying to promote fur.
Then there’s Righteous Fur and its unusual fashion. Morgan says，”To give people a guilt-free option that they can wear without someone throwing paint on them-1 think that’s going to be a massive thing, at least here in New York.” Designer Jennifer Anderson admits it took her a while to come around to the opinion that using nutria fur for her creations is morally acceptable. She trying to come up with a lable to attach to nutria fashions to show it is eco-friendly.
28. What is the purpose of the fashion shows in New Orleans and Brooklyn?
A. To promote guilt-free fur.
B. To expand the fashion market.
C. To introduce a new brand.
D. To celebrate a winter holiday.
29. Why are scientists concerned about nutria?
A. Nutria damage the ecosystem seriously.
B. Nutria are an endangered species.
C. Nutria hurt local cat-sized animals.
D. Nutria are illegally hunted.
30. What does the underlined word “collapsed” in paragraph 5 probably mean?
A. Boomed. B. Became mature. C. Remained stable. D. Crashed.
31. What can we infer abouf wearing fur in New York according to Morgan?
A. It’s formal. B. It’s risky. C. It’s harmful. D. It’s traditional.
【答案】28. A 29. A 30. D 31. B
【解析】本文是说明文。介绍了美国新奥良和布鲁克林举办了不同寻常的时装秀。展出海狸鼠制成的皮衣。海狸鼠们每年都在破坏大片的湿地，因此设计师称这是一种环保的举措，科学家们也对海狸鼠损坏生态平衡表示了担忧。
28.推理判断题。根据第二段Unusual fashion shows in New Orleans and Brooklyn have showcased nutria fur made into clothes in different styles. “It sounds crazy to talk about guilt-free fur-unless you understand that the nutria are destroying vast wetlands every year,”says Cree McCree, project director of Righteous Fur.得知，美国新奥尔良和布鲁克林举办了不同寻常的时装秀，时装秀上展出海狸鼠皮制成的不同风格的衣服，项目总监Cree McCree说：“除非了解海狸鼠正每年破坏大片湿地，否则谈论无罪感皮衣是很疯狂的事情”，可以判断出由于海狸鼠对生态造成了巨大的破坏，这场海狸鼠皮衣时装秀销售的是无罪恶感皮衣。故选A。
29.推理判断题。根据第三段Scientists in Louisiana were so concerned that they decided to pay hunters $5 a tail.得知，科学家们如此担心以至于他们决定按照一条海狸鼠尾巴付给猎人们5美元，可以推断出科学家们担忧海狸鼠们严重破坏生态平衡，。故选A。
30.词义猜测题。根据第五段The fur trade kept nutria in check for decades, but when the market for nutria collapsed in the late 1980s,the cat-sized animals multiplied like crazy. 得知，毛皮贸易使海狸鼠受到了几十年的控制，但是当海狸鼠市场在20世纪80年代末崩溃时，这种猫大小的动物数量疯长，根据but判断，这是转折关系，以前由于皮毛交易，海狸鼠处于控制，现在这种海狸鼠之所以能够数量激增，是由于市场不再销售海狸鼠皮毛导致的，可以推断出划线词collapsed 是和D.crashed倒闭的意思最相近。故选D。
31.推理判断题。根据第二段Model Paige Morgan says, “To give people a guilt –free option that they can wear without someone throwing paint on them-I think that’s going to be a massive thing, at least in New York. ” 得知，为了给人们一种无罪的选择，人们可以穿皮衣而不被人们泼油漆，我认为在纽约将是一件巨大的事情，根据模特摩根所说得知，在纽约穿皮质衣服是有风险的。故选B。
6.（2020·新课标Ⅲ）D
We are the products of evolution, and not just evolution that occurred billions of years ago. As scientists look deeper into our genes (基因), they are finding examples of human evolution in just the past few thousand years. People in Ethiopian highlands have adapted to living at high altitudes. Cattle -raising people in East Africa and northern Europe have gained a mutation (突变) that helps them digest milk as adults.
On Thursday in an article published in Cell, a team of researchers reported a new kind of adaptation - not to air or to food, but to the ocean. A group of sea-dwelling people in Southeast Asia have evolved into better divers. The Bajau, as these people are known, number in the hundreds of thousands in Indonesia, Malaysia and the Philippines. They have traditionally lived on houseboats; in recent times, they’ve also built houses on stilts (支柱) in coastal waters. “They are simply a stranger to the land,” said Redney C. Jubilado, a University of Hawaii researcher who studies the Bajau.
Dr. Jubilado first met the Bajau while growing up on Samal Island in the Philippines. They made a living as divers, spearfishing or harvesting shellfish. “We were so amazed that they could stay underwater much longer than us local islanders,” Dr. Jubilado said. “I could see them actually walking under the sea.”
In201, Melissa Ilardo, then a graduate student in genetics at the University of Copenhagen, heard about the Bajau. She wondered if centuries of diving could have led to the evolution of physical characteristics that made the task easier for them. “it seemed like the perfect chance for natural selection to act on a population,” said Dr. Ilardo. She also said there were likely a number of other genes that help the Bajau dive.
32. What does the author want to tell us by the examples in paragraph 1?
A. Environmental adaptation of cattle raisers. B. New knowledge of human evolution.
C. Recent findings of human origin. D. Significance of food selection.
33. Where do the Bajau build their houses?
A. In valleys. B. Near rivers. C. On the beach. D. Off the coast.
34. Why was the young Jubilado astonished at the Bajau?
A. They could walk on stilts all day. B. They had a superb way of fishing.
C. They could stay long underwater. D. They lived on both land and water.
35. What can be a suitable title for the text?
A. Bodies Remodeled for a Life at Sea B. Highlanders’ Survival Skills
C. Basic Methods of Genetic Research D. The World’s Best Divers
【答案】32. B 33. D 34. C 35. A
【解析】这是一篇说明文。最近一项对人类基因的研究发现，人类的进化不仅仅发生在数十亿年前，而且最近几千年也有。Bajau人因为靠海为生，他们的身体已经进化成更能适应海洋生活。
32.推理判断题。根据第一段的we are the products of evolution, and not just evolution that occurred billions of years ago. As scientists look deeper into our genes, they are finding examples of human evolution in just the past few thousand years.(我们是进化的产物，而且不仅仅是数十亿年前的产物。当科学家更深入的研究我们的基因时，他们发现了人类在过去几千年进化的例子)可知，作者列举第一段的例子是为了告诉我们关于人类进化的一个新信息，那就是人类在最近几千年也在进化。B. New knowledge of human evolution.(人类进化的新知识)符合以上说法，故选B项。
33.细节理解题。根据第二段的The Bajau, as these people are known, number in hundreds of thousands in Indonesia, Malaysia and the Philippines. They have traditionally live on houseboats; in recent times, they've also built houses on stilts in coastal waters.(这些人被称为Bajau，在印度尼西亚、马来西亚和菲律宾有数十万人。他们一直住在船屋上；最近他们也把房子建在沿海水域的吊脚楼上)可知，Bajau把房子建在沿海区域。D. Off the coast.(沿海)符合以上说法，故选D项。
34.细节理解题。根据第三段的we were so amazed that they could stay underwater much longer than us local islanders.(我们很惊讶，他们在水下待的时间比我们当地的岛民要长的多)可知，让Jubilado感到吃惊的是Bajau人能在水下待更长的时间。C. They could stay long underwater. (他们能在水下待很长时间)符合以上说法，故选C项。
35.主旨大意题。根据文章的主要内容，尤其是第二段的On Thursday in an article published in Cell, a team of researchers reported a new kind of adaption-not to air or to food, but to the ocean.(周四，在《细胞》杂志上发表的一篇文章中，一群研究人员报道了一种新的适应——不是空气也不是食物，而是海洋)可知，本文主要讲述了一种新的进化，即长期生活在海边，靠海为生的生活方式，让Bajau人的身体进化成更适应海洋生活。A. Bodies Remodeled for a Life at Sea.(身体为适应海洋生活而重塑)可以作为本文标题，故选A项。
7.（2020·江苏卷）B
Sometimes it’s hard to let go. For many British people, that can apply to institutions and objects that represent their country’s past-age-old castles, splendid homes… and red phone boxes.
Beaten first by the march of technology and lately by the terrible weather in junkyards (废品场), the phone boxes representative of an age are now making something of a comeback. Adapted in imaginative ways, many have reappeared on city streets and village greens housing tiny cafes, cellphone repair shops or even defibrillator machines (除颤器).
The original iron boxes with the round roofs first appeared in 1926. They were designed by Giles Gilbert Scott, the architect of the Battersea Power Station in London. After becoming an important part of many British streets, the phone boxes began disappearing in the 1980s, with the rise of the mobile phone sending most of them away to the junkyards.
About that time, Tony Inglis’ engineering and transport company got the job to remove phone boxes from the streets and sell them out. But Inglis ended up buying hundreds of them himself, with the idea of repairing and selling them. He said that he had heard the calls to preserve the boxes and had seen how some of them were listed as historic buildings.
As Inglis and, later other businessmen, got to work, repurposed phone boxes began reappearing in cities and villages as people found new uses for them. Today, they are once again a familiar sight, playing roles that are often just as important for the community as their original purpose.
In rural areas, where ambulances can take a relatively long time to arrive, the phone boxes have taken on a lifesaving role. Local organizations can adopt them for l pound, and install defibrillators to help in emergencies.
Others also looked at the phone boxes and saw business opportunities. LoveFone, a company that advocates repairing cellphones rather than abandoning them, opened a mini workshop in a London phone box in 2016.
The tiny shops made economic sense, according to Robert Kerr, a founder of LoveFone. He said that one of the boxes generated around $13,500 in revenue a month and cost only about $400 to rent.
Inglis said phone boxes called to mind an age when things were built to last. I “like what they are to people, and I enjoy bringing things back,” he said.
58. The phone boxes are making a comeback ______.
A. to form a beautiful sight of the city
B. to improve telecommunications services
C. to remind people of a historical period
D. to meet the requirement of green economy
59. Why did the phone boxes begin to go out of service in the 1980s?
A. They were not well-designed. B. They provided bad services.
C. They had too short a history. D. They lost to new technologies.
60. The phone boxes are becoming popular mainly because of ______.
A. their new appearance and lower prices B. the push of the local organizations
C. their changed roles and functions D. the big funding of the businessmen
【答案】58. C 59. D 60. C
【解析】这是一篇说明文。文章讲述了在英国，电话亭在20世纪80年代开始停止使用。后来，一些商人使电话亭的角色和功能发生了变化，电话亭又变得流行起来。
58.细节理解题。根据第一段Sometimes it’s hard to let go. For many British people, that can apply to institutions and objects that represent their country’s past-age-old castles, splendid homes.. and red phone boxes.(有时候真的很难放手。对许多英国人来说，这可以适用于代表他们国家过去历史的机构和物品--古老的城堡、辉煌的住宅……还有红色的电话亭)和最后一段Inglis said phone boxes called to mind an age when things were built to last.(英格利斯说，电话亭让人想起了一个东西经久耐用的时代)可知，电话亭正在卷土重来，以提醒人们一个历史时期。故选C。
59.细节理解题。根据第三段After becoming an important part of many British streets, the phone boxes began disappearing in the 1980s, with the rise of the mobile phone sending most of them away to the junkyards.(在成为英国许多街道的重要组成部分后，电话亭在20世纪80年代开始消失，随着移动电话的兴起，大部分电话亭被扔到了垃圾场)可知，电话亭在20世纪80年代开始停止使用是因为它们输给了新技术。故选D。
60.推理判断题。根据第五段As Inglis and, later other businessmen, got to work, repurposed phone boxes began reappearing in cities and villages as people found new uses for them. Today, they are once again a familiar sight, playing roles that are often just as important for the community as their original purpose.(随着英格利斯和后来的其他商人开始工作，改装后的电话亭开始在城市和乡村重新出现，人们发现了它们的新用途。今天，它们再次成为人们熟悉的景象，扮演着与它们最初的目的同样重要的角色)和第六段In rural areas, where ambulances can take a relatively long time to arrive, the phone boxes have taken on a lifesaving role.(在农村地区，救护车要花相当长的时间才能到达，电话亭就起到了拯救生命的作用)以及第七段Others also looked at the phone boxes and saw business opportunities.(其他人也在电话亭寻找商机)可推断出，电话亭之所以变得流行，主要是因为它们的角色和功能发生了变化。故选C。
8.（2020·江苏卷）C
For those who can stomach it, working out before breakfast may be more beneficial for health than eating first, according to a study of meal timing and physical activity.
Athletes and scientists have long known that meal timing affects performance. However far less has been known about how meal timing and exercise might affect general health.
To find out, British scientists conducted a study. They first found 10 overweight and inactive but otherwise healthy young men, whose lifestyles are, for better and worse, representative of those of most of us. They tested the men’s fitness and resting metabolic (新陈代谢的) rates and took samples (样品) of their blood and fat tissue.
Then, on two separate morning visits to the scientists’ lab, each man walked for an hour at an average speed that, in theory should allow his body to rely mainly on fat for fuel. Before one of these workouts, the men skipped breakfast, meaning that they exercised on a completely empty stomach after a long overnight fast (禁食). On the other occasion, they ate a rich morning meal about two hours before they started walking.
Just before and an hour after each workout, the scientists took additional samples of the men’s blood and fat tissue.
Then they compared the samples. There were considerable differences. Most obviously, the men displayed lower blood sugar levels at the start of their workouts when they had skipped breakfast than when they had eaten. As a result, they burned more fat during walks on an empty stomach than when they had eaten first. On the other hand, they burned slightly more calories (卡路里), on average, during the workout after breakfast than after fasting.
But it was the effects deep within the fat cells that may have been the most significant, the researchers found. Multiple genes behaved differently, depending on whether someone had eaten or not before walking. Many of these genes produce proteins (蛋白质) that can improve blood sugar regulation and insulin (胰岛素) levels throughout the body and so are associated with improved metabolic health. These genes were much more active when the men had fasted before exercise than when they had breakfasted.
The implication of these results is that to gain the greatest health benefits from exercise, it may be wise to skip eating first.
61. The underlined expression “stomach it” in Paragraph 1 most probably means “______”.
A. digest the meal easily B. manage without breakfast
C. decide wisely what to eat D. eat whatever is offered
62. Why were the 10 people chosen for the experiment?
A. Their lifestyles were typical of ordinary people.
B. Their lack of exercise led to overweight.
C. They could walk at an average speed.
D. They had slow metabolic rates.
63. What happened to those who ate breakfast before exercise?
A. They successfully lost weight.
B. They consumed a bit more calories.
C. They burned more fat on average.
D. They displayed higher insulin levels.
64. What could be learned from the research?
A. A workout after breakfast improves gene performances.
B. Too much workout often slows metabolic rates.
C. Lifestyle is not as important as morning exercise.
D. Physical exercise before breakfast is better for health.
【答案】61. B 62. A 63. B 64. D
【解析】本文是说明文。文章介绍了一项研究，结果表明对于那些能忍受的人来说，不吃早餐锻炼可能对健康更有益。
61.词句猜测题。根据下文working out before breakfast may be more beneficial for health than eating first可知，早餐前锻炼可能比先吃饭再锻炼对健康更有益，因此推断这里说的是那些不吃早饭先锻炼的人，因此推断划线词与B项“不吃早饭能应付”意思相近。故选B。
62.细节理解题。根据第三段的They first found 10 overweight and inactive but otherwise healthy young men, whose lifestyles are far better and worse, representative of those of most of us.可知，他们首先找到了10个超重的，不活跃但健康的年轻人，他们的生活方式可以说更好，也可以说更糟，代表了我们大多数人。因此可知，实验时选择的10个人的生活方式代表了普通人。故选A。
63.细节理解题。根据第六段的As a result, they burned more fat during walks on an empty stomach than when they had eaten first. On the other hand. they burned slightly more calories(卡路里), on average, during the workout after breakfast than after fasting.可知，结果，他们空腹散步时燃烧的脂肪比他们首先吃东西时所燃烧的脂肪要多。 另一方面。平均而言，他们在早餐后锻炼时燃烧的卡路里略多于禁食后。因此可知，锻炼前吃早饭消耗更多一点的热量。故选B。
64.推理判断题。根据最后一段The implication of these results is that to gain the greatest health benefits from exercise, it may be wise to skip eating first.可知，这些结果的暗示，为了从运动中获得最大的健康益处，先不吃东西可能更明智。因此推断早饭前的体育锻炼对健康更有益。故选D。
9.（2020·山东卷）D
According to a recent study in the Journal of Consumer Research, both the size and consumption habits of our eating companions can influence our food intake. And contrary to existing research that says you should avoid eating with heavier people who order large portions(份), it's the beanpoles with big appetites you really need to avoid.
To test the effect of social influence on eating habits the researchers conducted two experiments. In the first, 95 undergraduate women were individually invited into a lab to ostensibly(表面上)participate in a study about movie viewership. Before the film began, each woman was asked to help herself to a snack. An actor hired by the researchers grabbed her food first. In her natural state, the actor weighed 105 pounds. But in half the cases she wore a specially designed fat suit which increased her weight to 180 pounds.
Both the fat and thin versions of the actor took a large amount of food. The participants followed suit, taking more food than they normally would have. However, they took significantly more when the actor was thin.
For the second test, in one case the thin actor took two pieces of candy from the snack bowls. In the other case, she took 30 pieces. The results were similar to the first test: the participants followed suit but took significantly more candy when the thin actor took 30 pieces.
The tests show that the social environment is extremely influential when we're making decisions. If this fellow participant is going to eat more, so will I. Call it the “I’ll have what she's having” effect. However, we'll adjust the influence. If an overweight person is having a large portion, I'll hold back a bit because I see the results of his eating habits. But if a thin person eats a lot, I'll follow suit. If he can eat much and keep slim, why can't I?
12. What is the recent study mainly about?
A. Food safety. B. Movie viewership.
C. Consumer demand. D. Eating behavior.
13. What does the underlined word “beanpoles” in paragraph 1 refer to?
A. Big eaters. B. Overweight persons.
C. Picky eaters. D. Tall thin persons.
14. Why did the researchers hire the actor?
A. To see how she would affect the participants.
B. To test if the participants could recognize her.
C. To find out what she would do in the two tests.
D. To study why she could keep her weight down.
15. On what basis do we “adjust the influence” according to the last paragraph?
A. How hungry we are. B. How slim we want to be.
C. How we perceive others. D. How we feel about the food.
【答案】12. D 13. D 14. A 15. C
【解析】本文是说明文。最近的研究表明：我们的饮食伙伴的大小和消费习惯都会影响我们的食物摄入量。文章详述了这个实验的过程。
12.细节理解题。根据第一段中的“According to a recent study in the Journal of Consumer Research, both the size and consumption habits of our eating companions can influence our food intake”可知，根据消费者研究杂志最近的一项研究，我们的饮食伙伴的大小和消费习惯都会影响我们的食物摄入量。因此这项研究是关于饮食行为的。故选D。
13.词义猜测题。根据前半句“And contrary to existing research that says you should avoid eating with heavier people who order large portions（份）”可知，现有的研究认为：你应该避免和体重较重、点大份饭菜的人一起吃饭。后半句认为，你真正应该避免的是the beanpoles with big appetites。由contrary to可推断出，画线词和heavier people（超重的人）相反，结合选项，D选项（瘦瘦高高的人）正好和heavier people正好相反。故选D。
14.推理判断题。根据第二段的“To test the effect of social influence on eating habits, the researchers conducted two experiments”可知， 为了测试社会影响对饮食习惯的影响，研究人员进行了两个实验。根据倒数第三段的内容可知，在两个实验中，胖的和瘦的演员都吃了大量的食物。参与者也照做，吃的食物比平常多。 然而，当演员是瘦的时候，参与者们服用的食物更多。由此推断，研究人员雇用演员是为了看看她如何影响参与者。故选A。
15.推理判断题。根据最后一段中的“If an overweight person is having a large portion, I’ll hold back a bit because I see the results of his eating habits. But if a thin person eats a lot, I’ll follow suit. If he can eat much and keep slim, why can’t I? ”可知，如果一个超重的人吃很大一份，我会忍住一点，因为我看到了他饮食习惯的结果。但如果一个瘦的人吃很多，我会跟着做。如果他吃得多保持苗条，为什么我不能呢？ 因此推断我们是根据我们对他人的看法（即：如何看待他人）来调整影响的。故选C。
10.（2020·天津卷）A
How to Use a Modern Public Library
Has it been a while since your last visit to a public library? If so, you may be surprised to learn that libraries have changed for the better. It’s been years since they were dusty little rooms with books. They have transformed themselves into places where you can develop your love of knowledge meet interesting people, or find out how to start a business.
Check out a book. While libraries still loan out(出借)books, you’ll find it easier to get a copy of whatever you’re looking for, thanks to a cooperative network of area libraries. Via such networks, libraries share their books with each other through the use of delivery vehicles. Once the book you’ve requested is delivered to the nearest branch, they will inform you by e-mail, so you can pick it up.
Check out other items. The library is now a multimedia zone, loaded with information in many formats(载体形式). You can borrow movies on DVDs, music on CDs, and popular magazines. Some libraries even loan out toys and games. If a popular magazine you want isn’t offered and the library keeps a list of such requests, they may bring it in when enough interest is shown.
Join targeted reading groups. Libraries will often hold reading-group sessions targeted to various age groups. Perhaps you’d like to learn a language or improve your English. The library may sponsor a language group you could join. If you have difficulties reading, ask about special reading opportunities. Your library might be able to accommodate you. And you might find it relaxing to bring your small kid to a half-hour Story Time while you sit quietly in a corner with a good book.
Start a business using the help of your local library. If you want to have a business of your own, your local library can become a launch space for it. In library books and computers, you can find information on starting a business. Many libraries will help you with locally supplied information about business management shared through chambers of commerce(商会)and government agencies, and they will offer printing, faxing and database services you need.
36. Public libraries connected by a cooperative network benefit readers by______.
A. sharing their books on the Internet
B. giving access to online reading at a library branch
C. sending a needed book to a library branch nearby
D. making the checkout procedures diverse
37. According to Paragraph 3, what items may be checked out from a public library?
A. A magazine and an e-book.
B. A game and an oil painting.
C. A music CD and a kid’s toy.
D. A DVD and a video player
38. As is described in Paragraph 4, taking a small kid to a half-hour Story Time allows ______.
A. the kid to learn a new language
B. the parent to enjoy quiet reading
C. the kid to overcome reading difficulties
D. the parent to meet their program sponsor
39. Your local library can help you start a business by ______.
A. providing relevant information and supporting services
B. offering professional advice on business management
C. supplying useful information of your potential buyers
D. arranging meetings with government officials
40. What is the purpose of the passage?
A. To point out the importance of public libraries.
B. To encourage people to work in public libraries.
C. To introduce the improved services of public libraries.
D. To call for the modernization of public library systems.
【答案】36. C 37. C 38. B 39. A 40. C
【解析】这是一篇说明文。文章主要介绍了如何使用改造升级后现代公共图书馆。
36.细节理解题。根据文章Check out a book中“Via such networks, libraries share their books with each other through the use of delivery vehicles. Once the book you've requested is delivered to the nearest branch, they will inform you by e-mail, so you can pick it up.( 通过这样网络，图书馆通过运载车辆的使用彼此分享图书。一旦你要的书送到最近的书店，他们会通过电子邮件通知你，你就可以去取了。)”可知，合作网络连接的公共图书馆通过向附近的图书馆分支机构发送所需的书籍，使读者受益。故选C项。
37.细节理解题。根据文章第三段“You can borrow movies on DVDs, music on CDs, and popular magazines. Some libraries even loan out toys and games. ( 你可以借DVD电影、CD音乐和流行杂志。一些图书馆甚至借出玩具和游戏。)”可知，从公共图书馆可以外借DVD电影、CD音乐、流行杂志、玩具和游戏等物品。故选C项。
38.细节理解题。根据文章第四段“And you might find it relaxing to bring your small kid to a half-hour Story Time while you sit quietly in a corner with a good book. (你可能会发现带着你的孩子去半个小时的“故事时间”是一种放松，那时你安静地坐在角落里看一本好书，)”可知，带孩子去半小时的“故事时间”，可以让父母享受安静的阅读。故选B项。
39.细节理解题。根据文章最后一段“Many libraries will help you with locally supplied information about business management shared through chambers of commerce（商会）and government agencies, and they will offer printing and database services you need. (许多图书馆会通过商会和政府机构分享本地提供的商业管理信息，并提供你需要的打印和数据库服务。)”可知，你当地的图书馆可以通过提供相关信息和支持服务来帮助你创业。故选A项。
40.推理判断题。根据文章标题How to Use a Modern Public Library（如何使用一个现代公共图书馆）和第一段中的“you may be surprised to learn that libraries have changed for the better. They have transformed themselves into places where you can develop your love of knowledge meet interesting people, or find out how to start a business.（你可能会惊讶地发现图书馆已经变得更好了。他们已经把自己变成了一个地方，在那里你可以发展你对知识的热爱，遇见有趣的人，或者发现如何创业）”。再结合几个小标题：Check out a book（借一本书）； Check out other items（借其他物品）；Join targeted reading groups（加入有针对性的阅读小组）；Start a business using the help of your local library（在当地图书馆的帮助下创业）可知，本文主要介绍了在经过改善后的图书馆里，人们可以做些什么，即：经过改善后的图书馆可以给人们提供什么服务。故选C。
11.（2020·天津卷）C
For people, who are interested in sound, the field of sound technology is definitely making noise. In the past, sound engineers worked in the back rooms of recording studios, but many of today’s sound professionals are sharing their knowledge and experience with professionals in other fields to create new products based on the phenomenon we call sound.
Sound can be used as a weapon. Imagine that a police officer is chasing a thief. The thief tries to escape. And the officer can’t let him get away. He pulls out a special device, points it at the suspect, and switches it on. The thief drops to the ground. This new weapon is called a Long Range Acoustic Device(LRAD, 远程定向声波发射器). It produces a deafening sound so painful that it temporarily disables a person. The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.
For those who hunger for some peace and quiet, sound can now create silence. Let’s say you are at the airport, and the little boy on the seat next to you is humming(哼唱) a short commercial song. He hums it over and over again, and you are about to go crazy. Thanks to the Silence Machine, a British invention, you can get rid of the sound without upsetting the boy or his parents. One may wonder how the Silence Machine works. Well, it functions by analyzing the waves of the incoming sound and creating a second set of outgoing waves. The two sets of waves cancel each other out. Simply turn the machine or point it at the target, and your peace and quiet comes back.
Directed sound is a new technology that allows companies to use sound in much the same way spotlights(聚光灯) are used in the theater. A spotlight lights up only one section of a stage; similarly, “spotsound” creates a circle of sound in on targeted area. This can be useful for businesses such as restaurants and stores because it offers a new way to attract customers. Restaurants can offer a choice of music along with the various food choices on the menu, allowing customers more control over the atmosphere in which they are dining. Directed sound is also beginning to appear in shopping centers and even at homes.
46. What could be inferred from Paragraph 2 about the effect of the LRAD?
A. It causes temporary hearing loss.
B. It slows down a running man.
C. It makes it easy to identify a suspect.
D. It keeps the suspect from hurting others.
47. The Silence Machine is a device specially designed to ________.
A. silence the people around you
B. remove the sound of commercials
C. block the incoming sound waves
D. stop unwanted sound from affecting you
48. What feature do spotsounds and spotlights share?
A. They travel in circles.
B. They clear the atmosphere.
C. They can be transformed into energy.
D. They can be directed onto a specific area.
49. Directed sound can be used for ________.
A. creative designs of restaurant menus
B. ideal sound effects on the theater stage
C. different choices of music for businesses
D. strict control over any suspicious customer
50. What does the passage focus on?
A. How professionals invented sound products.
B. Inventions in the field of sound technology.
C. The growing interest in the study of sound.
D. How sound engineers work in their studios.
【答案】46. A 47. D 48. D 49. C 50. B
【解析】这是一篇说明文。文章主要介绍了一些声音技术领域的发明创造，包括声音可以用作武器的远程声学设备、用来阻止有害声音影响你的静音机以及定向音响技术。
46.推理判断题。根据第二段中的“It produces a deafening sound so painful that it temporarily disables a person. The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.”可知它发出震耳欲聋的声音，这种声音令人如此痛苦以至于它会使人暂时丧失能力。LRAD发出的噪音像光线一样被引导，只进入那个人的耳朵，但不会致命。由此可推知，LRAD会导致暂时性听力损失。故选A。
47.细节理解题。根据第三段中的“Well, it functions by analyzing the waves of the incoming sound and creating a second set of outgoing waves. The two sets of waves cancel each other out. Simply turn the machine on point it at the target, and your peace and quiet comes back.”可知，它的功能是通过分析传入声音的波，并产生第二组传出的波。这两组波会相互抵消。只要打开机器对准目标，你的宁静就会回来。由此可知，静音机是一种专门设计用来阻止有害声音影响你的设备。故选D。
48.细节理解题。根据最后一段中的“A spotlight lights up only one section of a stage; similarly, a “spotsound” creates a circle of sound in one targeted area.”可知，聚光灯只能照亮舞台的一个部分；类似地，一个“spotsound”在一个目标区域创建一个声音圈。由此可知，spotsounds和聚光灯的共同特性是它们可以被定向到一个特定的区域，故选D。
49.细节理解题。根据最后一段中的“A spotlight lights up only one section of a stage; similarly,”spotsound” creates a circle of sound in on targeted area. This can be useful for businesses such as restaurants and stores because it offers a new way to attract customers. Restaurants can offer a choice of music along with the various food choice on the menu, allowing customers more control over the atmosphere in which they are dining.”可知，聚光灯只能照亮舞台的一个部分；类似地，一个”spotsound”在一个目标区域创建一个声音圈。这对餐馆和商店等企业很有用，因为它提供了一种吸引顾客的新方式。餐厅可以提供音乐选择与菜单上的各种食物选择，让顾客更多地控制气氛，在他们用餐。由此可知，定向音响可以用于不同的商业音乐选择。故选C。
50.主旨大意题。根据第一段中的“In the past, sound engineers worked in the back rooms of recording studios, but many of today's sound professionals are sharing their knowledge and experience with professionals in other fields to create new products based on the phenomenon we call sound.”可知，在过去，音响工程师在录音室的后室工作，但今天的许多音响专业人士正在与其他领域的专业人士分享他们的知识和经验，以我们所谓的声音现象为基础创造新产品。结合下文具体内容可知，本文着重论述了声音技术领域的发明创造。故选B。
12.（2020·浙江卷）A
I am an active playgoer and play-reader, and perhaps my best reason for editing this book is a hope of sharing my enthusiasm for the theater with others. To do this I have searched through dozens of plays to find the ones that I think best show the power and purpose of the short play.
Each play has a theme or central idea which the playwright(剧作家) hopes to get across through dialogue and action. A few characters are used to create a single impression growing out of the theme. It is not my intention to point out the central theme of each of the plays in this collection, for that would, indeed, ruin the pleasure of reading, discussing, and thinking about the plays and the effectiveness of the playwright. However, a variety of types is represented here. These include comedy, satire, poignant drama, historical and regional drama. To show the versatility(多面性) of the short play, I have included a guidance play, a radio play and a television play.
Among the writers of the plays in this collection, Paul Green, Susan Glaspell, Maxwell Anderson, Thornton Wilder, William Saroyan, and Tennessee Williams have all received Pulitzer Prizes for their contributions to the theater. More information about the playwrights will be found at the end of this book.
To get the most out of reading these plays, try to picture the play on stage, with you, the reader, in the audience. The houselights dim(变暗). The curtains are about to open, and in a few minutes the action and dialogue will tell you the story.
21. What do we know about the author from the first paragraph?
A. He has written dozens of plays. B. He has a deep love for the theater.
C. He is a professional stage actor. D. He likes reading short plays to others.
22. What does the author avoid doing in his work?
A. Stating the plays’ central ideas. B. Selecting works by famous playwrights.
C Including various types of plays. D. Offering information on the playwrights.
23. What does the author suggest readers do while reading the plays?
A. Control their feelings. B. Apply their acting skills.
C. Use their imagination. D. Keep their audience in mind.
24. What is this text?
A. A short story. B. An introduction to a book.
C A play review. D. An advertisement for a theater.
【答案】21. B 22. A 23. C 24. B
【解析】这是一篇说明文。文章主要介绍了作者的书籍的序言部分，包括其编写目的，书籍内容主体，以及如何实现有乐趣的阅读本书的建议。
21.细节理解题。根据文章第一段内容“…and perhaps my best reason for editing this book is a hope of sharing my enthusiasm for the theater with others”可知，作者编辑这本书的最好的原因是希望与他人分享对戏剧的热情，因此可知作者对于戏剧饱含热情。故选B项。
22.细节理解题。根据文章第二段内容“It is not my intention to point out the central theme of each of the plays in this collection, for that would, indeed, ruin the pleasure of reading, discussing, and thinking about the plays and the effectiveness of the playwright.”可知，作者并不想指出这本书中每一部戏剧的中心主题，因为那样确实会破坏阅读、讨论和思考戏剧以及剧作家的有效性的乐趣。A项“Stating the plays”central ideas(陈述戏剧的中心思想)”与原文表达信息一致。故选A项。
23.细节理解题。根据文章末尾段内容“To get the most out of the reading these plays, try to picture the play on stage, with you, the reader, in the audience.”可知，作者建议读者试着想象戏剧在舞台上上演，不再是读者而是成为观众，才能实现最佳的阅读乐趣。C项“Use their imagination”与原文“try to picture the play on the stage”表达信息一致。故选C项。
24.推理判断题。根据文章首段内容“I am an active playgoer and play-reader, and perhaps my best reason for editing this book is a hope of sharing my enthusiasm for the theater with others”可知，该句内容应是书籍的“自序”内容，且结合末尾“To get the most out of the reading these plays, try to picture the play on stage, with you, the reader, in the audience.”可知，在讲述如何更好地实现阅读乐趣，再结合全文内容可推知，作者通过该文章介绍自己的一本书。故选B项。
13.（2020·浙江卷）B
The traffic signals along Factoria Boulevard in Bellevue, Washington, generally don't flash the same length of green twice in a row, especially at rush hour. At 9:30am, the full red/yellow/green signal cycle might be 140 seconds. By 9:33am, a burst of additional traffic might push it to 145 seconds. Less traffic at 9:37am could push it down to 135. Just like the traffic itself, the timing of the signals changes.
That is by design. Bellevue, a fast-growing city just east of Seattle, uses a system that is gaining popularity around the US: intersection(十字路口) signals that can adjust in real time to traffic conditions. These lights, known as adaptive signals, have led to significant declines in both the trouble and cost of travels between work and home.
“Adaptive signals can make sure that the traffic demand that is there is being addressed, ” says Alex Stevanovic, a researcher at Florida Atlantic University.
For all of Bellevue’s success, adaptive signals are not a cure-all for jammed roadways. Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference. “It’s not going to fix everything, but adaptive signals have some benefits for smaller cities,” he says.
In Bellevue, the switch to adaptive signals has been a lesson in the value of welcoming new approaches. In the past, there was often an automatic reaction to increased traffic: just widen the roads, says Mark Poch, the Bellevue Transportation Department’s traffic engineering manager. Now he hopes that other cities will consider making their streets run smarter instead of just making them bigger.
25. What does the underlined word “that” in paragraph 2 refer to?
A. Increased length of green lights. B. Shortened traffic signal cycle.
C. Flexible timing of traffic signals. D. Smooth traffic flow on the road.
26. What does Kevin Balke say about adaptive signals?
A. They work better on broad roads.
B. They should be used in other cities.
C. They have greatly reduced traffic on the road.
D. They are less helpful in cities seriously jammed.
27. What can we learn from Bellevue’s success?
A. It is rewarding to try new things. B. The old methods still work today.
C. I pays to put theory into practice. D. The simplest way is the best way.
【答案】25. C 26. D 27. A
【解析】这是一篇说明文。美国华盛顿州的Bellevue采用了能随交通状况而调节交通灯时间的适应性信号灯，大大缓解了交通压力，也表明人们对于交通阻塞问题不再只是拓宽道路，而是能够采用新方法。
25.指代猜测题。That位于第二段句首，应是指代第一段的内容。根据第一段内容尤其是第一段最后一句“Just like the traffic itself, the timing of the signals changes.(就像交通本身一样，信号灯的时间也会变化)”可知，第一段主要讲述的是信号灯的时间会灵活变化；“That is by design.”意为“那是有意为之”，由此可推知，That指代第一段中“信号灯的灵活时间”。故选C项。
26.推理判断题。根据第四段第一句中“adaptive signals are not a cure-all for jammed roadways(但自适应信号并不是解决拥堵道路的万能药)”及第二句中“others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference(其他城市交通堵塞如此严重，只有减少道路上的车辆才能起有意义的作用) ”可推知，Kevin Balke认为适应性信号灯对于交通堵塞很严重的城市没有太大帮助。故选D项。
27.推理判断题。根据第二段最后一句“These lights, known as adaptive signals, have led to significant declines in both the trouble and cost of travels between work and home.(这些灯，被称为适应性信号灯，已经大大减少了通勤的麻烦和花费)”最后一段第一句“In Bellevue, the switch to adaptive signals has been a lesson in the value of welcoming new approaches.(在Bellevue，对适应性信号灯的转变是一个在欢迎新方法的价值方面的榜样)”可推知，从Bellevue的成功中可以得出，尝试新事物是值得的。故选A项。
14.（2020·浙江卷）C
Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age, a study published Wednesday in the journal Neurology suggests.
Researchers from the University of Leipzig in Germany gathered more than 1, 000 retired workers who were over age 75 and assessed the volunteers’ memory and thinking skills through a battery of tests. Then, for eight years, the scientists asked the same group to come back to the lab every 18 months to take the same sorts of tests.
Those who had held mentally stimulating(刺激), demanding jobs before retirement tended to do the best on the tests. And they tended to lose cognitive(认知) function at a much slower rate than those with the least mentally challenging jobs. The results held true even after the scientists accounted for the participants’ overall health status.
“This works just like physical exercise, ” says Francisca Then, who led the study. “After a long run, you may feel like you’re in pain, you may feel tired. But it makes you fit. After a long day at work-sure, you will feel tired, but it can help your brain stay healthy. ”
It's not just corporate jobs, or even paid work that can help keep your brain fit, Then points out. A waiter’s job, for example, that requires multitasking, teamwork and decision-making could be just as stimulating as any high-level office work. And “running a family household requires high-level planning and coordinating(协调), ” she says. “You have to organize the activities of the children and take care of the bills and groceries. ”
Of course, our brains can decline as we grow older for lots of reasons-including other environmental influences or genetic factors. Still, continuing to challenge yourself mentally and keeping your mind busy can only help.
28. Why did the scientists ask the volunteers to take the tests?
A. To assess their health status. B. To evaluate their work habits.
C. To analyze their personality. D. To measure their mental ability.
29. How does Francisca Then explain her findings in paragraph 4?
A. By using an expert’s words. B. By making a comparison.
C. By referring to another study. D. By introducing a concept.
30. Which of the following is the best title for the text?
A. Retired Workers Can Pick Up New Skills
B. Old People Should Take Challenging Jobs
C. Your Tough Job Might Help Keep You Sharp
D. Cognitive Function May Decline As You Age
【答案】28. D 29. B 30. C
【解析】这是一篇说明文。《神经病学》杂志发布的一则研究显示，需要大量的分析思考、细致规划和其他管理技能有挑战性的工作，有可能会帮助你的大脑随着年龄的增长而保持敏锐。
28.细节理解题。根据第二段第一句“Researchers from the University of Leipzig in Germany gathered more than 1,000 retired workers who were over age 75 and assessed the volunteers’ memory and thinking skills through a battery of tests.(来自德国莱比锡大学的研究人员召集了1000多名75岁以上的退休老人，并通过一系列的测试对他们的记忆力和思维能力进行了评估。)”可知，科学家让志愿者做测试是为了测试他们的心智能力。故选D项。
29.推理判断题。根据第四段中Francisca Then说的话“This works just like physical exercise,( 这就像体育锻炼一样有效。)”及接下来进一步的解释“长跑后人就会感到痛苦和疲惫，但它确实能强身健体。工作一天下来会感到劳累，但这也使你的大脑处于健康状态”可知，Francisca Then是通过与“身体锻炼”作比较来解释他的发现的。故选B项。
30.主旨大意题。第一段“Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age(需要大量的分析思考、细致规划和其他管理技能有挑战性的工作，有可能会帮助你的大脑随着年龄的增长而保持敏锐。)”是本文的主题句，结合全文内容可知，文章主要讲述了有挑战性的工作可能会使大脑保持敏捷，所以C项“困难的工作可能有助于大脑保持敏捷”适合作本文标题。故选C项。
【2019年】
1. 【2019·全国卷I，C】
As data and identity theft becomes more and more common, the market is growing for biometric(生物测
量)technologies—like fingerprint scans—to keep others out of private e-spaces. At present, these technologies are still expensive, though.
Researchers from Georgia Tech say that they have come up with a low-cost device(装置)that gets around this problem: a smart keyboard. This smart keyboard precisely measures the cadence(节奏)with which one types and the pressure fingers apply to each key. The keyboard could offer a strong layer of security by analyzing things like the force of a user's typing and the time between key presses. These patterns are unique to each person. Thus, the keyboard can determine people's identities, and by extension, whether they should be given access to the computer it's connected to—regardless of whether someone gets the password right.
It also doesn't require a new type of technology that people aren't already familiar with. Everybody uses a keyboard and everybody types differently.
In a study describing the technology, the researchers had 100 volunteers type the word “touch”four times using the smart keyboard. Data collected from the device could be used to recognize different participants based on how they typed, with very low error rates. The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive, plastic-like parts. The team hopes to make it to market in the near future.
28. Why do the researchers develop the smart keyboard?
A. To reduce pressure on keys. B. To improve accuracy in typing
C. To replace the password system. D. To cut the cost of e-space protection.
29. What makes the invention of the smart keyboard possible？
A. Computers are much easier to operate.
B. Fingerprint scanning techniques develop fast.
C. Typing patterns vary from person to person.
D. Data security measures are guaranteed.
30. What do the researchers expect of the smart keyboard？all 1o soisgitieoco oll.
A. It'll be environment-friendly. B. It'll reach consumers soon.
C. It'll be made of plastics. D. It'll help speed up typing.
31. Where is this text most likely from?
A. A diary. B. A guidebook C. A novel. D. A magazine.
【语篇解读】这是一篇说明文。数据和身份盗窃变得越来越普遍，目前，向指纹扫描等这些技术仍然是昂贵的。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，而且这项技术也不贵。
28.D 【解析】细节理解题。根据第一段的At present, these technologies are still expensive, though.和第二段的Researchers from Georgia Tech say that they have come up with a low-cost device that gets around this problem: a smart key board.可知，研究者们开发智能键盘是为了降低e-space保护的成本。故选D。
29.C 【解析】细节理解题。根据第二段的The key board could offer a strong layer of security by analyzing things like the force of a user’s typing and the time between key presses. These patterns are unique to each person. Thus，the keyboard can determine people’s identities可知，因为每个人的打字方式不同，使智能键盘能够识别人的身份。故选C。
30.B 【解析】细节理解题。根据最后一段的The team hopes to make it to market in the near future.可知，研究者们希望智能键盘能早日面世。故选B。
31.D【解析】推理判断题。本文介绍了一种新的科技——智能键盘，它能给e-space用户带来安全，由此可知，本文是关于科技，结合所给选项可知，本文可能来自于一本杂志。故选D。
2. 【2019·全国卷I，D】
During the rosy years of elementary school(小学), I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status. I was the queen of the playground. Then came my tweens and teens, and mean girls and cool kids. They rose in the ranks not by being friendly but by smoking cigarettes, breaking rules and playing jokes on others, among whom I soon found myself.
Popularity is a well-explored subject in social psychology. Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers. The likables’ plays-well-with-others qualities strengthen schoolyard friendships, jump-start interpersonal skills and, when tapped early, are employed ever after in life and work. Then there’s the kind of popularity that appears in adolescence: status born of power and even dishonorable behavior.
Enviable as the cool kids may have seemed, Dr. Prinstein’s studies show unpleasant consequences. Those who were highest in status in high school, as well as those least liked in elementary school, are “most likely to engage(从事)in dangerous and risky behavior.”
In one study, Dr. Prinstein examined the two types of popularity in 235 adolescents, scoring the least liked, the most liked and the highest in status based on student surveys(调查研究). “We found that the least well-liked teens had become more aggressive over time toward their classmates. But so had those who were high in status. It clearly showed that while likability can lead to healthy adjustment, high status has just the opposite effect on us."
Dr. Prinstein has also found that the qualities that made the neighbors want you on a play date-sharing, kindness, openness — carry over to later years and make you better able to relate and connect with others.
In analyzing his and other research，Dr. Prinstein came to another conclusion: Not only is likability related to positive life outcomes, but it is also responsible for those outcomes, too. "Being liked creates opportunities for learning and for new kinds of life experiences that help somebody gain an advantage, ” he said.
32. What sort of girl was the author in her early years of elementary school?
A. Unkind. B. Lonely. C. Generous. D. Cool.
33. What is the second paragraph mainly about？
A. The classification of the popular.
B. The characteristics of adolescents.
C. The importance of interpersonal skills.
D. The causes of dishonorable behavior
34. What did Dr. Prinstein’s study find about the most liked kids?
A. They appeared to be aggressive.
B. They tended to be more adaptable.
C. They enjoyed the highest status.
D. They performed well academically.
35. What is the best title for the text?
A. Be Nice-You Won’t Finish Last
B. The Higher the Status, the Beer
C. Be the Best-You Can Make It
D. More Self-Control, Less Aggressiveness
【语篇解读】这是一篇说明文。文章主要讲到研究表明，对别人好，讨人喜欢对人生活的各个方面有深远的有益影响。
32.C 【解析】推理判断题。根据第一段During the rosy years of elementary school, I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status（在美好的小学时光里，我喜欢分享我的娃娃和笑话，这让我保持了高高的社会地位。）由此推断出，作者在小学早期时，是一个慷慨的女孩。unkind不友善的；lonely寂寞的；generous慷慨的；cool冷静的，故选C。
33.A 【解析】主旨大意题。第二段Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers.（临床心理学教授Mitch Prinstein将受欢迎的人分为两类:讨人喜欢的人和追求地位的人。）是段落主题句，本段内容分别对the likable 和the status seekers 做了解释，所以本段主要介绍了两种受欢迎的分类，故选A。
34.B 【解析】推理判断题。根据第四段It clearly showed that while likability can lead to healthy adjustment （它清楚地表明，可爱可以促使健全的调整），由此推断出，心理学教授Mitch Prinstein的研究表明，最有人望的孩子适应性更强，故选B。
35.A 【解析】主旨大意题。通过阅读全文内容，尤其是最后一段，可知这篇文章主要讲了受欢迎，讨人喜欢对人生活的各个方面有深远的有益影响。与选项A“对别人好——最终，你的收获无穷无尽”一致，故选A。
4. 【2019·全国卷II，D】
Bacteria are an annoying problem for astronauts. The microorganisms(微生物) from our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week. How is NASA overcoming this very tiny big problem? It’s turning to a bunch of high school kids. But not just any kids. It depending on NASA HUNCH high school class, like the one science teachers Gene Gordon and Donna Himmelberg lead at Fairport High School in Fairport, New York.
HUNCH is designed to connect high school classrooms with NASA engineers. For the past two years, Gordon’s students have been studying ways to kill bacteria in zero gravity, and they think they’re close to a solution(解决方案). “We don’t give the students any breaks. They have to do it just like NASA engineers,” says Florence Gold, a project manager.
“There are no tests,” Gordon says. “There is no graded homework. There almost are no grades, other than‘Are you working towards your goal?’ Basically, it’s ‘I’ve got to produce this product and then, at the end of year, present it to NASA.’ Engineers come and really do an in-person review, and…it’s not a very nice thing at time. It’s a hard business review of your product.”
Gordon says the HUNCH program has an impact(影响) on college admissions and practical life skills. “These kids are so absorbed in their studies that I just sit back. I don’t teach.” And that annoying bacteria? Gordon says his students are emailing daily with NASA engineers about the problem, readying a workable solution to test in space.
32. What do we know about the bacteria in the International Space Station?
A. They are hard to get rid of. B. They lead to air pollution.
C. They appear different forms. D. They damage the instruments.
33. What is the purpose of the HUNCH program?
A. To strengthen teacher-student relationships. B. To sharpen students’ communication skills.
C. To allow students to experience zero gravity. D. To link space technology with school education
34. What do the NASA engineers do for the students in the program?
A. Check their product. B. Guide project designs
C. Adjust work schedules. D. Grade their homework.
35. What is the best title for the text?
A. NASA: The Home of Astronauts.
B. Space: The Final Homework Frontier.
C. Nature: An Outdoor Classroom.
D. HUNCH:A College Admission Reform.
【语篇解读】本文为说明文。本文介绍了HUNCH项目就是通过Gordon的学生找到如何杀死空间站的细菌这一技术，把空间技术与带进课堂，与学校教育相结合，从而最终影响到大学入学。
32.A 【解析】细节理解题。根据第一段中的“Bacteria are annoying problem for astronauts. The microorganisms form our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week.”可知，细菌对宇航员来说是个令人讨厌的问题。这种来自我们身体的微生物在国际空间站的表面不受控制地生长，宇航员每周要花几个小时来清理它们。也就是说它们很难去掉。其中的“the microorganisms”包括“bacteria”。由此可知， A项符合题意。
33.D 【解析】推理判断题。根据第二段的 “HUNCH is designed to connect high school classrooms with NASA engineers. Gordon’s students have been studying ways to kill bacteria in zero gravity,...”可知，Hunch旨在把高中教室和NASA的工程师联系起来。Gordon的学生一直在研究如何在零重力下杀死细菌, ...”。结合最后一段中的“Gordon students are emailing daily with NASA engineers about the problem,...”可知，学生每天都给NASA的工程师发邮件一起探讨（如何杀死空间站的细菌这一空间技术）这个问题。由此可推断出HUNCH program的目的把空间技术与学校教育相结合。分析选项可知D项符合题意。
34.A 【解析】细节理解题。根据第三段中的“I’ve got to produce this product and then, at the end of the year ,present it to NASA, ”“Engineers come and really do an in-person review，and ...It’s not a very nice thing at times. It’s a hard business review of your product.”可知，NASA的工程师要检查学生所做的产品。分析选项可知A项符合题意，故选A。
35.B 【解析】主旨大意题。文章以国际空间站里的微生物很难清除开头，引出宇航员们解决此问题的途径 —— 借助美国国家航空航天局的HUNCH高中班，此计划的目的是把航天技术与学校教育结合起来。在这项计划里，学生们通过homework（制作供美国国家航空航天局使用的产品）探索无疆的太空，因此“太空：最后的功课疆域”最适合做文章的标题。故选B。
3. 【2019·全国卷III，C】
Before the 1830smost newspapers were sold through annual subscriptions in America, usually $8 to $10 a year. Today $8 or $10 seems a small amount of money, but at that time these amounts were forbidding to most citizens. Accordingly, newspapers were read almost only by rich people in politics or the trades. In addition, most newspapers had little in them that would appeal to a mass audience. They were dull and visually forbidding. But the revolution that was taking place in the 1830s would change all that.
The trend, then, was toward the "penny paper"-a term referring to papers made widely available to the public. It meant any inexpensive newspaper; perhaps more importantly it meant newspapers that could be bought in single copies on the street.
This development did not take place overnight. It had been possible(but not easy)to buy single copies of newspapers before 1830,but this usually meant the reader had to go down to the printer's office to purchase a copy. Street sales were almost unknown. However, within a few years, street sales of newspapers would be commonplace in eastern cities. At first the price of single copies was seldom a penny-usually two or three cents was charged-and some of the older well-known papers charged five or six cents. But the phrase "penny paper " caught the public's fancy, and soon there would be papers that did indeed sell for only a penny.
This new trend of newspapers for "the man on the street" did not begin well. Some of the early ventures(企业)were immediate failures. Publishers already in business, people who were owners of successful papers, had little desire to change the tradition. It took a few youthful and daring businessmen to get the ball rolling.
28. Which of the following best describes newspapers in America before the 1830s?
A. Academic. B. Unattractive. C. Inexpensive. D. Confidential.
29. What did street sales mean to newspapers?
A. They would be priced higher. B. They would disappear from cities.
C. They could have more readers. D. They could regain public trust.
30. Who were the newspapers of the new trend targeted at?
A. Local politicians. B. Common people.
C. Young publishers. D. Rich businessmen.
31. What can we say about the birth of the penny paper?
A. It was a difficult process. B. It was a temporary success.
C. It was a robbery of the poor. D. It was a disaster for printers.
【语篇解读】本文为说明文。文章叙述了“便士报纸”的诞生历史。
28.B 【解析】细节理解题。根据第一段中的“Before1830s，... Accordingly newspapers were read almost only by rich people. In addition ,most newspapers had little in them that would appeal to mass audience. They were dull and visually forbidding.”可知，在19世纪30年代之前,只有富人才能读报纸，而且大多数报纸中几乎没有能吸引大众的内容，让人感觉无聊，，视觉上令人望而却步。由此可得出那时的报纸没有什么吸引力。分析选项，A . Academic学术的；B. Unattractive没有吸引力， 无魅力的； C. Inexpensive廉价的，不贵的； D. Confidential机密的，保密的。可知 A、C和D是错误的，只有B符合题意，故选B。
29.C 【解析】推理判断题。根据第二段提到“便士报纸”针对大众，很便宜的。更重要的是，在街上可以买的到报纸。 结合第三段中间的“streets sales of newspapers would be commonplaced in eastern cities”可知，报纸的街头销售随处可见。由此可推断出，街头销售意味读报纸的多了。分析选项可知C符合题，故选C。
30.B 【解析】细节理解题。根据第二段中的“The trend, then, was ‘penny paper’—a term referring to papers made widely available to the public. perhaps more importantly it meant newspapers that could be bought in single copies on the street.”可知，这种“便士报纸”针对大众的，在街上可以买的到报纸。分析选项可知，选项B符合题意，故选B。
31.A 【解析】推理判断题。第二段“The trend, then, was ‘penny paper’”及最后一段“The new trend of newspapers for ‘the man on the street’ did not begin well. Some of the early ventures were immediately failures. Publishers already in business, people who owners of successful papers, had little desires to change the tradition. It took a few youthful and daring businessmen to get the ball rolling.”可知，“便士报纸”新趋势一开始并不好，一些早期的尝试立即失败了。已经进入商业领域的成功的出版商，并不想改变这一传统。后来一些年轻而大胆的商人才推动了这件事。由此可推断出“便士报纸”的诞生是一个困难而曲折的过程。分析选项可知，A项符合题意，故选A。
5. 【2019·全国卷III，D】
Monkeys seem to have a way with numbers.
A team of researchers trained three Rhesus monkeys to associate 26 clearly different symbols consisting of numbers and selective letters with 0-25 drops of water or juice as a reward. The researchers then tested how the monkeys combined—or added—the symbols to get the reward.
Here's how Harvard Medical School scientist Margaret Livingstone, who led the team, described the experiment: In their cages the monkeys were provided with touch screens. On one part of the screen, a symbol would appear, and on the other side two symbols inside a circle were shown. For example, the number 7 would flash on one side of the screen and the other end would have 9 and 8. If the monkeys touched the left side of the screen they would be rewarded with seven drops of water or juice; if they went for the circle, they would be rewarded with the sum of the numbers—17 in this example.
After running hundreds of tests, the researchers noted that the monkeys would go for the higher values more than half the time, indicating that they were performing a calculation, not just memorizing the value of each combination.
When the team examined the results of the experiment more closely, they noticed that the monkeys tended to underestimate(低估)a sum compared with a single symbol when the two were close in value—sometimes choosing, for example, a 13 over the sum of 8 and 6. The underestimation was systematic: When adding two numbers, the monkeys always paid attention to the larger of the two, and then added only a fraction(小部分)of the smaller number to it.
"This indicates that there is a certain way quantity is represented in their brains, "Dr. Livingstone says. “But in this experiment what they're doing is paying more attention to the big number than the little one.”
32. What did the researchers do to the monkeys before testing them?
A. They fed them. B. They named them.
C. They trained them. D. They measured them.
33. How did the monkeys get their reward in the experiment?
A. By drawing a circle. B. By touching a screen.
C. By watching videos. D. By mixing two drinks.
34. What did Livingstone's team find about the monkeys?
A. They could perform basic addition. B. They could understand simple words.
C. They could memorize numbers easily. D. They could hold their attention for long.
35. In which section of a newspaper may this text appear?
A. Entertainment. B. Health. C. Education. D. Science.
【语篇解读】这是一篇说明文。研究发现：猴子可以进行基本的加法运算。文章对研究的经过和结论做了介绍和分析。
32.C 【解析】细节理解题。根据第二段中的“A team of researchers trained three Rhesus monkeys…The researches then tested how…”可知，在对这些猴子进行测试之前，研究者们对它们进行了培训。故C选项正确。
33.B 【解析】细节理解题。根据第三段中的“In their cages the monkeys were provided with touch screen…If the monkeys touched the left side of the screen, they would be rewarded with seven drops…; if they went for the circle, they would be rewarded with…”可知，当猴子触摸屏幕左边时，它们会得到7滴水或者果汁的奖励；当它们触摸屏幕的另一端（即画着圆圈的部分）时，它们会得到17滴水或果汁的奖励。由此可知，猴子是通过触摸屏幕得到奖励的。B选项正确。
34.A 【解析】细节理解题。根据第四段“The monkeys would go for the higher values more than half the time, indicating that they were performing a calculation, not just memorizing the value of each combination”和第五段中的“When adding two numbers…”可知，猴子会在超过一半的时间内选择更高的值，这意味着它们在进行计算，而不仅仅是记住每一个组合的值。由此可知，A选项正确：猴子能够进行基本的加法计算。由此亦可以排除C选项。
35.D 【解析】推理判断题。通读整篇文章可知，该文介绍的是哈佛医学院的科学家Margaret Livingstone领导的一个研究团队对猴子进行实验得出的研究结果。这属于“科学研究”范畴，故该文应出现在报纸的“科学”板块。故D选项正确。
6. 【2019·北京卷，C】
The problem of robocalls has gotten so bad that many people now refuse to pick up calls from numbers they don't know. By next year，half of the calls we receive will be scams(欺诈).We are finally waking up to the severity of the problem by supporting and developing a group of tools，apps and approaches intended to prevent scammers from getting through. Unfortunately，it's too little，too late. By the time these “solutions"(解决方案)become widely available，scammers will have moved onto cleverer means. In the near future，it's not just going to be the number you see on your screen that will be in doubt. Soon you will also question whether the voice you're hearing is actually real.
That's because there are a number of powerful voice manipulation ( 处理 ) and automation technologies that are about to become widely available for anyone to use .At this year's I/O Conference ,a company showed a new voice technology able to produce such a convincing human –sounding voice that it was able to speak to a receptionist and book a reservation without detection.
These developments are likely to make our current problems with robocalls much worse. The reason that robocalls are a headache has less to do with amount than precision A decade of data breaches(数据侵入)of personal information has led to a situation where scammers can easily learn your mother 's name ，and far more. Armed with this knowledge. they're able to carry out individually targeted campaigns to cheat people. This means. for example，that a scammer could call you from what looks to be a familiar number and talk to you using a voice that sounds exactly like your bank teller 's，ricking you into "confirming " your address，mother's name，and card number. Scammers follow money，so companies will be the worst hit. A lot of business is still done over the phone，and much of it is based on trust and existing relationships. Voice manipulation technologies may weaken that gradually.
We need to deal with the insecure nature of our telecom networks. Phone carriers and consumers need to work together to find ways of determining and communicating what is real. That might mean either developing a uniform way to mark videos and images, showing when and who they were made by. or abandoning phone calls altogether and moving towards data-based communications—using apps like Face Time or WhatsApp, which can be tied to your identity.
Credibility is hard to earn but easy to lose, and the problem is only going to harder from here on out.
38. How does the author feel about the solutions to problem of robecalls?
A. Panicked. B. Confused. C. Embarrassed. D. Disappointed.
39. taking advantage of the new technologies，scammer can______.
A. aim at victims precisely B. damage databases easily
C. start campaigns rapidly D. spread information widely
40. What does the passage imply?
A. Honesty is the best policy.
B. Technologies can be double-edited.
C. There are more solutions than problems.
D. Credibility holds the key to development.
41. Which of the following would be the best title for the passage?
A. Where the Problem of Robocalls Is Rooted
B. Who Is to Blame for the Problem of Roboealls
C. Why Robocalls Are About to Get More Dangerous
D. How Robocalls Are Affecting the World of Technology
【语篇解读】这是一篇说明文。语音操作与自动化技术的出现使得机器人电话可以以假乱真。语音操作和自动化技术发展会使得机器人电话产生的问题更加严重。
38. D 【解析】观点态度题。根据第一段中的“We are finally waking up to the severity of the problem by supporting and developing a group of tools, apps and approaches intended to prevent scammers from getting through. Unfortunately, it’s too little, too late. By the time these “solutions” become widely available, scammers will have moved onto clever means”可知，最后，我们通过支持和开发一组旨在防止欺诈者通过的工具、应用程序和方法，认识到了问题的严重性。不幸的是，我们的努力太少了，也太晚了。在这些“解决方案”被广泛使用的时候，骗子将转移到更巧妙的手段上。由此推知，作者认为这些“解决办法”对于解决问题起不了什么作用，因此作者感到很“失望”。故D选项正确。
39.A 【解析】细节理解题。根据第三段中的“The reason that robocalls are a headache has less to do with amount than precision. A decade of data breaches of personal information has led to a situation where scammers can easily learn your mother’s name, and far more. Armed with this knowledge, they’re able to carry out individually targeted campaigns to cheat people. This means, for example, that a scammer could call you from what looks to be a familiar number and talk to you using a voice that sounds exactly like your bank teller’s, tricking you into “confirming” your address, mother’s name, and card number”可知，机器人通话之所以令人头痛，与其说与数量有关，不如说与精确度有关。长达十年的个人信息泄露已经导致了这样一种情况：骗子可以轻易地知道你母亲的名字，甚至更多。有了这些知识，他们就能够开展有针对性的运动来欺骗人们。根据这些可知，利用这种新的技术，欺诈者们可以精确的确定他们行骗的目标。故A选项正确。
40.B 【解析】推理判断题。根据第二段最后一句可知，这项语音技术可以产生一个听起来和人类非常相似的声音，它可以和接待员进行交谈，进行预订。由此可知，这项新技术有其好的方面。根据第三段的叙述可知，欺诈者们可以利用这项新技术来进行欺诈行为。由此推知，这项新技术既可以发挥好的作用，也可能为坏人所利用，产生不好的作用，因此可以说它是一把双刃剑。故B选项正确。
41.C 【解析】主旨大意题。第一段提到：robocalls（机器人电话: 自动拨号播放录音信息的推销电话）在未来变得会越来越严重，不仅仅是出现在你的手机屏幕上的电话号码令人怀疑，而且你会质疑听到的声音是否是真的。第二段介绍原因：语音操作与自动化技术的出现使得机器人电话可以以假乱真。第三段介绍了语音操作和自动化技术发展会使得机器人电话产生的问题更加严重。最后两段提出我们该如何应对这些问题。综上，文章第一段点明文章中心：机器人电话问题在未来会变得越来越严重。下文都是围绕这一话题展开的。故C选项适合作标题。
7. 【2019·北京卷，D】
By the end of the century，if not sooner，the world's oceans will be bluer and greener thanks to a warming climate，according to a new study.
At the heart of the phenomenon lie tiny marine microorganisms(海洋微生物)called phytoplankton. Because of the way light reflects off the organisms，these phytoplankton create colourful patterns at the ocean surface. Ocean colour varies from green to blue，depending on the type and concentration of phytoplankton. Climate change will fuel the growth of phytoplankton in some areas，while reducing it in other spots，leading to changes in the ocean's appearance.
Phytoplankton live at the ocean surface，where they pull carbon dioxide(二氧化碳)into the ocean while giving off oxygen. When these organisms die，they bury carbon in the deep ocean，an important process that helps to regulate the global climate. But phytoplankton are vulnerable to the ocean's warming trend. Warming changes key characteristics of the ocean and can affect phytoplankton growth，since they need not only sunlight and carbon dioxide to grow，but also nutrients.
Stephanie Dutkiewicz，a scientist in MIT's Center for Global Change Science，built a climate model that projects changes to the oceans throughout the century. In a world that warms up by 3℃，it found that multiple changes to the colour of the oceans would occur. The model projects that currently blue areas with little phytoplankton could become even bluer. But in some waters，such as those of the Arctic，a warming will make conditions riper for phytoplankton，and these areas will turn greener. “Not only are the quantities of phytoplankton in the ocean changing. ”she said，“but the type of phytoplankton is changing. ”
42. What are the first two paragraphs mainly about?
A. The various patterns at the ocean surface.
B. The cause of the changes in ocean colour.
C. The way light reflects off marine organisms.
D. The efforts to fuel the growth of phytoplankton.
43. What does the underlined word“vulnerable”in Paragraph 3 probably mean?
A. Sensitive. B. Beneficial C. Significant D. Unnoticeable
44. What can we learn from the passage?
A. Phytoplankton play a declining role in the marine ecosystem.
B. Dutkiewicz's model aims to project phytoplankton changes
C. Phytoplankton have been used to control global climate
D. Oceans with more phytoplankton may appear greener.
45. What is the main purpose of the passage？
A. To assess the consequences of ocean colour changes
B. To analyse the composition of the ocean food chain
C. To explain the effects of climate change on oceans
D. To introduce a new method to study phytoplankton
【语篇解读】本文为说明文。一项最新研究表明，由于气候变暖，世界海洋将会变得更蓝、更绿。这一现象是因为一种叫做浮游植物的微小海洋微生物，因为光线反射的作用，它们在海洋表面形成了五颜六色的图案。但是浮游植物很容易受到海洋变暖趋势的影响。气候变暖会改变海洋的主要特征，并影响浮游植物的生长。
42. B 【解析】段落大意题。第一段“By the end of the century. If not sooner, the world's oceans will be bluer and greener thanks to a warming climate, according to a new study.”可知，到本世纪末，一项新的研究表明，由于气候变暖，如果不尽快的话，世界上的海洋将会变得更蓝、更绿。结合第二段“At the heart phenomenon lie tiny marine microorganisms called phytoplankton. Becaust of the way light reflects off the organisms ,these phytoplanktons create colourful patterns at the ocean surface. Ocean colour varies from green to blue, depending on the type and concentration”可知，这种现象的核心是一种叫做浮游植物的微小海洋微生物，在光线的作用下在海洋表面形成了五颜六色的图案。海洋的颜色从绿色到蓝色不等，这取决于海洋的类型和浮游植物浓度。由此可推断出这两段主要叙述了海洋生物是海洋颜色变化的原因。分析选项可知B符合题意，故选B。
43. A【解析】词义猜测题。根据划线词后的“Warming changes key characteristics of the ocean and can affect phytoplankton growth, since they need not only sunshine and carbon dioxide to grow, but also nutrients.”可知，气候变暖会改变海洋的主要特征，并会影响浮游植物的生长。由此可判断“But phytoplankton are vulnerable to the ocean’s wamning trend”可知，浮游植物很容易受到海洋变暖趋势的影响。可知A项正确。
44. D 【解析】推理判断题。根据第四段“The model projects that currently blue areas with little phytoplankton could become even bluer. But in some waters ,such as those of the Arctic, a warming will make conditions riper for phytoplankton, and these areas will turn greener”,可知Dutkiewicz的模型预测，目前只有少量浮游植物的蓝色区域可能会变得更蓝。但是在一些水域，比如北极，气候变暖会使浮游植物的生长条件更加成熟，而这些水域会变得更绿了”。由此可推断，浮游植物的生长条件更加成熟，浮游动植物就更多了，这些水域会变得更绿了。分析选项可知D项符合题意。
45. C【解析】目的意图题。第一段提出文章的主旨“By the end of the century. If not sooner, the world's oceans will be bluer and greener thanks to a warming climate, according to a new study.”可知到本世纪末。一项新的研究表明，由于气候变暖，如果不尽快的话，世界上的海洋将会变得更蓝、更绿。再结合第三段“But phytoplankton are vulnerable to the ocean’s warning trendWarming changes key characteristics of the ocean and can affect phytoplankton growth, …”可知，“浮游植物很容易受到海洋警告趋势的影响，变暖改变了海洋的关键特征，并能影响浮游植物的生长”。可知本文主要解释气候变化对海洋的影响。故选C。
8. 【2019·天津卷，C】
How does an ecosystem（生态系统）work？What makes the populations of different species the way they are？Why are there so many flies and so few wolves？To find an answer，scientists have built mathematical models of food webs，noting who eats whom and how much each one eats.
With such models，scientists have found out some key principles operating in food webs. Most food webs，for instance，consist of many weak links rather than a few strong ones. When a predator（掠食动物）always eats huge numbers of a single prey（猎物），the two species are strongly linked；when a predator lives on various species，they are weakly linked. Food webs may be dominated by many weak links because that arrangement is more stable over the long term. If a predator can eat several species，it can survive the extinction（灭绝）of one of them. And if a predator can move on to another species that is easier to find when a prey species becomes rare，the switch allows the original prey to recover. The weak links may thus keep species from driving one another to extinction.
Mathematical models have also revealed that food webs may be unstable，where small changes of top predators can lead to big effects throughout entire ecosystems. In the 1960s，scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species---including species they did not directly attack.
And unplanned human activities have proved the idea of top-down control by top predators to be true. In the ocean，we fished for top predators such as cod on an industrial scale，while on land，we killed off large predators such as wolves. These actions have greatly affected the ecological balance.
Scientists have built an early-warning system based on mathematical models. Ideally，the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline. Prevention is key，scientists says because once ecosystems pass their tipping point（临界点），it is remarkably difficult for them to return.
46. What have scientists discovered with the help of mathematical models of food webs？
A. The living habits of species in food webs.
B. The rules governing food webs of the ecosystems.
C. The approaches to studying the species in the ecosystems.
D. The differences between weak and strong links in food webs.
47. A strong link is found between two species when a predator______
A. has a wide food choice
B. can easily find new prey
C. sticks to one prey species
D. can quickly move to another place
48. What will happen if the populations of top predators in a food web greatly decline？
A. The prey species they directly attack will die out.
B. The species they indirectly attack will turn into top predators.
C. The living environment of other species will remain unchanged.
D. The populations of other species will experience unexpected changes.
49. What conclusion can be drawn from the examples in Paragraph 4？
A. Uncontrolled human activities greatly upset ecosystems.
B. Rapid economic development threatens animal habitats.
C. Species of commercial value dominate other species.
D. Industrial activities help keep food webs stable.
50. How does an early-warning system help us maintain the ecological balance？
A. By getting illegal practices under control.
B. By stopping us from killing large predators.
C. By bringing the broken-down ecosystems back to normal.
D. By signaling the urgent need for taking preventive action.
【语篇解读】这是一篇说明文。本文介绍了借助食物网的数学模型，科学家们发现了一些在食物网运营的关键原则。科学家们说;因为一个生态系统越过了它的临界点，它们很难再回来。该系统将告诉我们何时适应人类活动，这些活动正将生态系统推向崩溃，或者甚至允许我们将生态系统从边缘拉回来，预防是关键。
46.B 【解析】细节理解题。根据第一段的With such models, scientists have found out some key principles operating in food webs.可知，借助食物网的数学模型，科学家们发现了食物网中的一些关键原则。故选B。
47. C【解析】细节理解题。根据第一段的When a predator(掠食动物) always eats huge numbers of a single prey(猎物)，the two species are strongly linked可知，当捕食者总是吃大量的单一猎物，这两个物种是紧密相连的。故选C。
48. D 【解析】推理判断题。根据第二段的In the 1960s, scientists proposed that predators at the top of a food web had, a surprising amount of control over the size of populations of other species they did not directly attack可知，处于食物网顶端的食肉动物对它们没有直接攻击的其他物种的种群数量有着惊人的控制，由此可推断出，如果食物链顶级食肉动物的数量大大下降，其他物种的种群将经历意想不到的变化。故选D。
49.A 【解析】推理判断题。根据第四段的Ideally the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline可知，人类过度的活动会将生态系统推向崩溃，由此可推断出，不受控制的人类活动极大地破坏了生态系统。故选A。
50. D 【解析】细节理解题。根据最后一段的Scientists have built an early-warning system based on mathematical models. Ideally the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline.可知，早期变暖系统发出紧急需要采取预防行动的信号帮助我们维持生态平衡。故选D。
9. 【2019·江苏卷，B】
In the 1960s，while studying the volcanic history of Yellowstone National Park，Bob Christiansen became puzzled about something that，oddly，had not troubled anyone before:he couldn't find the park's volcano. It had been known for a long time that Yellowstone was volcanic in nature — that's what accounted for all its hot springs and other steamy features. But Christiansen couldn't find the Yellowstone volcano anywhere.
Most of us，when we talk about volcanoes，think of the classic cone(圆锥体)shapes of a Fuji or Kilimanjaro，which are created when erupting magma(岩浆)piles up. These can form remarkably quickly. In 1943，a Mexican farmer was surprised to see smoke rising from a small part of his land. In one week he was the confused owner of a cone five hundred feet high. Within two years it had topped out at almost fourteen hundred feet and was more than half a mile across. Altogether there are some ten thousand of these volcanoes on Earth，all but a few hundred of them extinct. There is，however，a second les known type of volcano that doesn't involve mountain building. These are volcanoes so explosive that they burst open in a single big crack，leaving behind a vast hole，the caldera. Yellowstone obviously was of this second type，but Christiansen couldn't find the caldera anywhere.
Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone. A thoughtful official passed on some of the copies to the park authorities on the assumption that they might make a nice blow-up for one of the visitors' centers. As soon as Christiansen saw the photos，he realized why he had failed to spot the caldera; almost the whole park-2.2 million acres—was caldera. The explosion had left a hole more than forty miles across—much too huge to be seen from anywhere at ground level. At some time in the past Yellowstone must have blown up with a violence far beyond the scale of anything known to humans.
58. What puzzled Christiansen when he was studying Yellowstone？
A. Its complicated geographical features.
B. Its ever-lasting influence on tourism.
C. The mysterious history of the park.
D. The exact location of the volcano.
59. What does the second-paragraph mainly talk about？
A. The shapes of volcanoes.
B. The impacts of volcanoes.
C. The activities of volcanoes.
D. The heights of volcanoes.
60. What does the underlined word "blow-up" in the last paragraph most probably mean？
A. Hot-air balloon. B. Digital camera.
C. Big photograph. D. Bird's view.
【语篇解读】本文为说明文。讲述了二十世纪六十年代Bob Christiansen在研究黄石公园的火山历史时，奇怪地发现到处看不到火山的影子，原来，这儿的火山并不是像我们大部分人想象的那种圆锥体形状的高耸的样子，而是一个巨大的洞，这个洞太大了以至于从地面上的任何地方都看不见。
58.D 【解析】细节理解题。根据第一段最后一句But Christiansen couldn’t find the Yellowstone volcano anywhere.可知，他困惑的是到处看不到火山。故选D。
59.A 【解析】主旨大意题。本段讲述了两种形状的火山，一种是通常人们所理解的由火山岩浆堆积形成的圆锥体，还有一种极具爆发力的火山，它们会在一个大裂缝中爆裂，留下一个巨大的洞，故选A。
60.C 【解析】词义猜测题。根据第三段第一句Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone. A thoughtful official passed on some of the copies to the park authorities on the assumption that they might make a nice blow-up for one of the visitors’ centers.可知，美国国家航空和宇宙航行局为测试一些新的高海拔照相机而拍摄了黄石公园的照片。一位深思熟虑的官员把其中的一些照片副本转交给了公园管理部门，认为他们可能会将其放大以供一个游客中心展示。故可知，此处意为将照片放大，选C。
10. 【2019·浙江卷，C】
California has lost half its big trees since the 1930s, according to a study to be published Tuesday and climate change seems to be a major factor(因素).
The number of trees larger than two feet across has declined by 50 percent on more than 46, 000 square miles of California forests, the new study finds. No area was spared or unaffected, from the foggy northern coast to the Sierra Nevada Mountains to the San Gabriels above Los Angeles. In the Sierra high country, the number of big trees has fallen by more than 55 percent; in parts of southern California the decline was nearly 75 percent.
Many factors contributed to the decline, said Patrick Mclntyre, an ecologist who was the lead author of the study. Woodcutters targeted big trees. Housing development pushed into the woods. Aggressive wildfire control has left California forests crowded with small trees that compete with big trees for resources(资源).
But in comparing a study of California forests done in the 1920s and 1930s with another one between 2001 and 2010, Mclntyre and his colleagues documented a widespread death of big trees that was evident even in wildlands protected from woodcutting or development.
The loss of big trees was greatest in areas where trees had suffered the greatest water shortage. The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed, taking into account such things as rainfall, air temperature, dampness of soil, and the timing of snowmelt(融雪).
Since the 1930s, Mclntyre said, the biggest factors driving up water stress in the state have been rising temperatures, which cause trees to lose more water to the air, and earlier snowmelt, which reduces the water supply available to trees during the dry season.
27. What is the second paragraph mainly about?
A. The seriousness of big-tree loss in California.
B. The increasing variety of California big trees.
C. The distribution of big trees in California forests.
D. The influence of farming on big trees in California.
28. Which of the following is well-intentioned but may be bad for big trees?
A. Ecological studies of forests.
B. Banning woodcutting.
C. Limiting housing development.
D. Fire control measures.
29. What is a major cause of the water shortage according to Mclntyre?
A. Inadequate snowmelt. B. A longer dry season.
C. A warmer climate. D. Dampness of the air.
30. What can be a suitable title for the text?
A. California's Forests: Where Have All the Big Trees Gone?
B. Cutting of Big Trees to Be Prohibited in California Soon
C. Why Are the Big Trees Important to California Forests?
D. Patrick Mclntyre: Grow More Big Trees in California
【语篇解读】本文为说明文，根据一项研究表明，自20世纪30年代以来，加州已经失去了一半的大树，气候变化似乎是其主要因素。
27.A 【解析】主旨大意题。在第二段中，作者用具体数据说明了大树损失在各个地区的严重程度，没有任何地区幸免或不受影响，故选A。
28. D【解析】推理判断题。根据第三段最后一句Aggressive wildfire control has left California forests crowded with small trees that compete with big trees for resources（资源）.可知，野火控制在控制了森林大火的同时，使得加利福尼亚的森林里挤满了小树，它们与大树争夺资源，这对大树产生了不利的影响，故选D。
29.C 【解析】细节理解题。根据最后一段the biggest factors driving up water stress in the state have been rising temperatures, …, and earlier snowmelt, …可知，造成加州水资源短缺的最大因素是气温的上升，以及较早的融雪，故选C。
30.A 【解析】主旨大意题。通读全文可知，自20世纪30年代以来，加州已经失去了一半的大树，文章分析了引起该现象的几个主要因素。全文围绕“加州森林的大树都去哪儿了”话题展开，故选项A符合题意。
【2018年】
1.【2018·全国卷I，D】
We may think we’re a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices (装置) well after they go out of style. That’s bad news for the environment – and our wallets – as these outdated devices consume much more energy than the newer ones that do the same things.
To figure out how much power these devices are using, Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life – from when its minerals are mined to when we stop using the device. This method provided a readout for how home energy use has evolved since the early 1990s. Devices were grouped by generation. Desktop computers, basic mobile phones, and box-set TVs defined 1992. Digital cameras arrived on the scene in 1997. And MP3 players, smart phones, and LCD TVs entered homes in 2002, before tablets and e-readers showed up in 2007.
As we accumulated more devices, however, we didn’t throw out our old ones. “The living-room television is replaced and gets planted in the kids’ room, and suddenly one day, you have a TV in every room of the house,” said one researcher. The average number of electronic devices rose from four per household in 1992 to 13 in 2007. We’re not just keeping these old devices – we continue to use them. According to the analysis of Babbitt’s team, old desktop monitors and box TVs with cathode ray tubes are the worst devices with their energy consumption and contribution to greenhouse gas emissions (排放) more than doubling during the 1992 to 2007 window.
So what’s the solution (解决方案)? The team’s data only went up to 2007, but the researchers also explored what would happen if consumers replaced old products with new electronics that serve more than one function, such as a tablet for word processing and TV viewing. They found that more on-demand entertainment viewing on tablets instead of TVs and desktop computers could cut energy consumption by 44%.
32. What does the author think of new devices?
A. They are environment-friendly. B. They are no better than the old.
C. They cost more to use at home. D. They go out of style quickly.
33. Why did Babbitt’s team conduct the research?
A. To reduce the cost of minerals.
B. To test the life cycle of a product.
C. To update consumers on new technology.
D. To find out electricity consumption of the devices.
34. Which of the following uses the least energy?
A. The box-set TV. B. The tablet.
C. The LCD TV. D. The desktop computer.
35. What does the text suggest people do about old electronic devices?
A. Stop using them. B. Take them apart.
C. Upgrade them. D. Recycle them.
【文章大意】本文是一篇科普说明文。文章讲述了新旧电子设备的差别，旧电子设备耗能高、不环保。所以作者主张使用新电子设备。
32.A 【解析】观点态度题。根据文章第一段中的That’s bad news for the environment – and our wallets – as these outdated devices consume much more energy than the newer ones that do the same things.可知，使用旧的电子设备对环境和我们的钱包都是坏消息。这些过时的设备做相同的事情要消耗比新设备更多的能量。由此推知作者认为新电子设备环保、节能。故选A。
33.D 【解析】细节理解题。根据文章第二段中的To figure out how much power these devices are using, Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life 可知，Babbitt’s team研究的目的是弄清楚这些设备用了多少电。故选D。
34.B 【解析】细节理解题。根据文章最后一段中的They found that more on-demand entertainment viewing on tablets instead of TVs and desktop computers could cut energy consumption by 44%.可知，平板电脑是耗能最少的电子设备，可以降低44%的耗能。故选B。
35.A 【解析】推理判断题。根据文章的整体内容可知，因为旧的电子设备耗能高，不环保。所以作者建议停止使用旧的电子设备。故选A。
2.【2018·全国卷II，B】
Many of us love July because it’s the month when nature’s berries and stone fruits are in abundance. These colourful and sweet jewels form British Columbia’s fields are little powerhouses of nutritional protection.
Of the common berries, strawberries are highest in vitamin C, although, because of their seeds, raspberries contain a little more protein (蛋白质), iron and zinc (not that fruits have much protein). Blueberries are particularly high in antioxidants (抗氧化物质). The yellow and orange stone fruits such as peaches are high in the carotenoids we turn into vitamin A and which are antioxidants. As for cherries (樱桃), they are so delicious who cares? However, they are rich in vitamin C.
When combined with berries of slices of other fruits, frozen bananas make an excellent base for thick, cooling fruit shakes and low fat “ice cream”. For this purpose, select ripe bananas for freezing as they are much sweeter. Remove the skin and place them in plastic bags or containers and freeze. If you like, a squeeze of fresh lemon juice on the bananas will prevent them turning brown. Frozen bananas will last several weeks, depending on their ripeness and the temperature of the freezer.
If you have a juicer, you can simply feed in frozen bananas and some berries or sliced fruit. Out comes a “soft-serve” creamy dessert, to be eaten right away. This makes a fun activity for a children’s party; they love feeding the fruit and frozen bananas into the top of the machine and watching the ice cream come out below.
24. What does the author seem to like about cherries?
A. They contain protein. B. They are high in vitamin A.
C. They have a pleasant taste. D. They are rich in antioxidants.
25. Why is fresh lemon juice used in freezing bananas?
A. To make them smell better. B. To keep their colour.
C. To speed up their ripening. D. To improve their nutrition.
26. What is “a juicer” in the last paragraph?
A. A dessert. B. A drink.
C. A container. D. A machine.
27. From which is the text probably taken?
A. A biology textbook. B. A health magazine.
C. A research paper. D. A travel brochure.
【文章大意】本文是一篇说明文。文章主要介绍并比较了几种水果各自的营养价值和健康功效，并列出了一些食用这些水果的方法。
24.C 【解析】细节理解题。题干问的是，作者喜欢樱桃什么。根据第二段中As for cherries (樱桃), they are so delicious who cares?（至于樱桃，因为它们很好吃谁在乎呢?）可知，作者在乎的是它的美味。故选C。
25.B 【解析】细节理解题。根据第三段中的If you like, a squeeze of fresh lemon juice on the bananas will prevent them turning brown.可知，往香蕉上滴新鲜的柠檬汁是为了防止香蕉变成褐色，故新鲜的柠檬汁是被用来保持香蕉的颜色的。故选B。
26.D 【解析】词义猜测题。根据最后一段中they love feeding the fruit and frozen bananas into the top of the machine and watching the ice cream come out below可知，孩子们喜欢把一些水果和冷冻的香蕉放入到这台机器的上部，然后看到冰激凌从下面出来。故可以推出a juicer就是一台机器。故选D。
27.B 【解析】文章出处题。文章首先指出七月是水果盛产的季节，并指出各种水果富含的营养，最后一段指出我们可以用a juicer为孩子们做一些甜点和冰激凌，故最可能是从健康杂志上摘取的文章。A项意为：生物教科书；B项意为：一本健康杂志；C项意为：一篇研究论文；D项意为：一本旅游手册。故选B。
3.【2018·全国卷III，B】
Cities usually have a good reason for being where they are, like a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade. New York City, for example, is near a large harbour at the mouth of the Hudson River. Over 300 years its population grew gradually from 800 people to 8 million. But not all cities develop slowly over a long period of time. Boom towns grow from nothing almost overnight. In 1896, Dawson, Canada, was unmapped wilderness(荒野). But gold was discovered there in 1897, and two years later, it was one of the largest cities in the West, with a population of 30,000.
Dawson did not have any of the natural conveniences of cities like London or Paris. People went there for gold. They travelled over snow-covered mountains and sailed hundreds of miles up icy rivers. The path to Dawson was covered with thirty feet of wet snow that could fall without warming. An avalanche(雪崩) once closed the path, killing 63 people. For many who made it to Dawson, however, the rewards were worth the difficult trip. Of the first 20,000 people who dug for gold, 4,000 got rich. About 100 of these stayed rich men for the rest of their lives.
But no matter how rich they were, Dawson was never comfortable. Necessities like food and wood were very expensive. But soon, the gold that Dawson depended on had all been found. The city was crowded with disappointed people with no interest in settling down, and when they heard there were new gold discoveries in Alaska, they left Dawson City as quickly as they had come. Today, people still come and go — to see where the Canadian gold rush happened. Tourism is now the chief industry of Dawson City — its present population is 762.
24. What attracted the early settlers to New York City?
A. Its business culture.
B. Its small population.
C. Its geographical position.
D. Its favourable climate.
25. What do we know about those who first dug for gold in Dawson?
A. Two-thirds of them stayed there.
B. One out of five people got rich.
C. Almost everyone gave up.
D. Half of them died.
26. What was the main reason for many people to leave Dawson?
A. They found the city too crowded.
B. They wanted to try their luck elsewhere.
C. They were unable to stand the winter.
D. They were short of food.
27. What is the text mainly about?
A. The rise and fall of a city.
B. The gold rush in Canada.
C. Journeys into the wilderness.
D. Tourism in Dawson.
【话题解读】这是一篇说明文。文章主要介绍了Dawson这座城市的发展原因、过程与现状。
24.C 【解析】细节理解题。根据文章第一段中Cities usually have a good reason for being where they are, like a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade. New York City, for example, is near a large harbour at the mouth of the Hudson River.可知，人们选择在河边或港口设城是因为交通方便，便于做生意。而纽约就是在哈德森河口附近的一个大港口，故纽约吸引早期移民的原因是它的地理位置，故C正确。
25.B 【解析】细节理解题。根据文章第二段最后一句Of the first 20,000 people who dug for gold, 4,000 got rich. About 100 of these stayed rich men for the rest of their lives.可知，在最初挖黄金的两万人中有4000人变富有，所以是五分之一的人变富了，故B正确。
26.B 【解析】细节理解题。根据文章最后一段中and when they heard there were new gold discoveries in Alaska, they left Dawson City as quickly as they had come.可知，人们离开Dawson的主要原因是听说在Alaska发现了黄金，也就是他们要去别的地方寻找发财的机会。故B正确。
27.A 【解析】主旨大意题。第一段简要介绍城市发展的原因，引出Dawson这一城市的兴起，第二段介绍了该城市兴起的原因，第三段介绍人们选择离开该城市的原因及现在的状况，所以全文围绕Dawson这个城市的发展起伏。故A正确。
4.【2018·北京卷，C】
Plastic-Eating Worms

Humans produce more than 300 million tons of plastic every year. Almost half of that winds up in landfills(垃圾填埋场), and up to 12 million tons pollute the oceans. So far there is no effective way to get rid of it, but a new study suggests an answer may lie in the stomachs of some hungry worms.
Researchers in Spain and England recently found that the worms of the greater wax moth can break down polyethylene, which accounts for 40% of plastics. The team left 100 wax worms on a commercial polyethylene shopping bag for 12 hours, and the worms consumed and broke down about 92 milligrams, or almost 3% of it. To confirm that the worms’ chewing alone was not responsible for the polyethylene breakdown, the researchers made some worms into paste(糊状物) and applied it to plastic films. 14 hours later the films had lost 13% of their mass — apparently broken down by enzymes (酶) from the worms’ stomachs. Their findings were published in Current Biology in 2017.
Federica Bertocchini, co-author of the study, says the worms’ ability to break down their everyday food — beeswax — also allows them to break down plastic. ＂Wax is a complex mixture, but the basic bond in polyethylene, the carbon-carbon bond, is there as well, ＂she explains, ＂The wax worm evolved a method or system to break this bond. ＂
Jennifer DeBruyn, a microbiologist at the University of Tennessee, who was not involved in the study, says it is not surprising that such worms can break down polyethylene. But compared with previous studies, she finds the speed of breaking down in this one exciting. The next step, DeBruyn says, will be to identify the cause of the breakdown. Is it an enzyme produced by the worm itself or by its gut microbes(肠道微生物)?
Bertocchini agrees and hopes her team’s findings might one day help employ the enzyme to break down plastics in landfills. But she expects using the chemical in some kind of industrial process — not simply ＂millions of worms thrown on top of the plastic. ＂
43. What can we learn about the worms in the study?
A. They take plastics as their everyday food.
B. They are newly evolved creatures.
C. They can consume plastics.
D. They wind up in landfills.
44. According to Jennifer DeBruyn, the next step of the study is to .
A. identify other means of the breakdown
B. find out the source of the enzyme
C. confirm the research findings
D. increase the breakdown speed
45. It can be inferred from the last paragraph that the chemical might .
A. help to raise worms
B. help make plastic bags
C. be used to clean the oceans
D. be produced in factories in future
46. What is the main purpose of the passage?
A. To explain a study method on worms.
B. To introduce the diet of a special worm.
C. To present a way to break down plastics.
D. To propose new means to keep eco-balance.
【文章大意】本文为说明文。文章介绍了一种吃塑料的虫子大蜡螟，它胃中的酶能够降解塑料，这为解决塑料污染提供了新的途径。
43.C 【解析】细节理解题。根据文章第三段Federica Bertocchini, co-author of the study, says the worms’ ability to break down their everyday food — beeswax — also allows them to break down plastic. 可知，研究结果发现，蠕虫分解日常食物的能力让它们可以分解塑料，也就是说它们可以消费塑料。故选C。
44.B 【解析】细节理解题。根据文章第四段The next step, DeBruyn says, will be to identify the cause of the breakdown. Is it an enzyme produced by the worm itself or by its gut microbes(肠道微生物)?可知，下一步研究是辨清分解的原因，查明这种酶来源于哪里，是虫子自己产生的还是它肠道里的微生物产生的。故选B。
45.D 【解析】推理判断题。根据文章最后一段But she expects using the chemical in some kind of industrial process — not simply ＂millions of worms thrown on top of the plastic. ＂可以推断出，Bertocchini希望这种化学物质将来能在工业生产中使用，而不是仅仅依靠蠕虫来分解塑料。故选D。
46.C 【解析】写作意图题。根据文章第一段最后一句So far there is no effective way to get rid of it, but a new study suggests an answer may lie in the stomachs of some hungry worms. 可知，有一种新的方法被用于分解塑料。再根据最后一段最后一句But she expects using the chemical in some kind of industrial process — not simply ＂millions of worms thrown on top of the plastic. ＂可知，Bertocchini希望将这种方法推广到工业中。由此可以推知写作意图为介绍一种分解塑料的方法。故选C。
5.【2018·天津卷，C】
There’s a new frontier in 3D printing that’s beginning to come into focus: food. Recent development has made possible machines that print, cook, and serve foods on a mass scale. And the industry isn’t stopping there.
Food production
With a 3D printer, a cook can print complicated chocolate sculptures and beautiful pieces for decoration on a wedding cake. Not everybody can do that — it takes years of experience, but a printer makes it easy. A restaurant in Spain uses a Foodini to “re-create forms and pieces” of food that are “exactly the same,” freeing cooks to complete other tasks. In another restaurant, all of the dishes and desserts it serves are 3D-printed, rather than farm to table.
Sustainability(可持续性)
The global population is expected to grow to 9.6 billion by 2050, and some analysts estimate that food production will need to be raised by 50 percent to maintain current levels. Sustainability is becoming a necessity. 3D food printing could probably contribute to the solution. Some experts believe printers could use hydrocolloids (水解胶体) from plentiful renewables like algae(藻类) and grass to replace the familiar ingredients(烹饪原料). 3D printing can reduce fuel use and emissions. Grocery stores of the future might stock "food" that lasts years on end, freeing up shelf space and reducing transportation and storage requirements.
Nutrition
Future 3D food printers could make processed food healthier. Hod Lipson, a professor at Columbia University, said, “Food printing could allow consumers to print food with customized nutritional content, like vitamins. So instead of eating a piece of yesterday’s bread from the supermarket, you’d eat something baked just for you on demand.”
Challenges
Despite recent advancements in 3D food printing, the industry has many challenges to overcome. Currently, most ingredients must be changed to a paste(糊状物) before a printer can use them, and the printing process is quite time-consuming, because ingredients interact with each other in very complex ways. On top of that, most of the 3D food printers now are restricted to dry ingredients, because meat and milk products may easily go bad. Some experts are skeptical about 3D food printers, believing they are better suited for fast food restaurants than homes and high-end restaurants.
46. What benefit does 3D printing bring to food production?
A. It helps cooks to create new dishes.
B. It saves time and effort in cooking.
C. It improves the cooking conditions.
D. It contributes to restaurant decorations.
47. What can we learn about 3D food printing from Paragraphs 3?
A. It solves food shortages easily.
B. It quickens the transportation of food.
C. It needs no space for the storage of food.
D. It uses renewable materials as sources of food.
48. According to Paragraph 4, 3D-printed food _____________.
A. is more available to consumers
B. can meet individual nutritional needs
C. is more tasty than food in supermarkets
D. can keep all the nutrition in raw materials
49. What is the main factor that prevents 3D food printing from spreading widely?
A. The printing process is complicated.
B. 3D food printers are too expensive.
C. Food materials have to be dry.
D. Some experts doubt 3D food printing.
50. What could be the best title of the passage?
A. 3D Food Printing: Delicious New Technology
B. A New Way to Improve 3D Food Printing
C. The Challenges for 3D Food Production
D. 3D Food Printing: From Farm to Table
【文章大意】本文是一篇说明文。文章主要介绍了3D打印技术在食物上的应用取得了进展，但目前仍面临着许多方面的挑战。
46.B 【解析】推理判断题。根据文章Food production中叙述了没有经验的人可以用3D打印机做出复杂的巧克力雕塑和美丽的婚礼蛋糕，以及餐厅能够用3D打印出所有的菜肴和甜点，从而可以推断出3D打印的优势是节省了做饭的时间和精力。故选B。
47.D 【解析】细节理解题。根据文章第三段Some experts believe printers could use hydrocolloids (水解胶体) from plentiful renewables like algae(藻类) and grass to replace the familiar ingredients(烹饪原料).可知，3D打印机可以使用可再生材料作为食物来源。故选D。
48.B 【解析】推理判断题。根据文章第四段Food printing could allow consumers to print food with customized nutritional content, like vitamins.（食品打印可以让消费者打印定制营养的食物），从而可以推断出3D打印出来的食物可以满足个人营养需求。故选B。
49.C 【解析】细节理解题。根据文章最后一段most of the 3D food printers now are restricted to dry ingredients, because meat and milk products may easily go bad.可知，阻止3D打印食物进一步广泛使用的原因是原料必须是干的，含水多的肉和牛奶不能应用于3D打印因为很容易坏。故选C。
50.A 【解析】主旨大意题。文章主要介绍了3D打印技术在食物上的应用取得了进展，但目前仍面临着许多方面的挑战。所以用标题3D Food Printing: Delicious New Technology，故选A。
6.【2018·浙江卷，B】
Steven Stein likes to follow garbage trucks. His strange habit makes sense when you consider that he’s an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road. What is even more interesting is that one of Stein's jobs is defending an industry behind the plastic shopping bags.
Americans use more than 100 billion thin film plastic bags every year. So many end up in tree branches or along highways that a growing number of cities do not allow them at checkouts(收银台) . The bags are prohibited in some 90 cities in California, including Los Angeles. Eyeing these headwinds, plastic-bag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people assume.
Among the bag makers' argument: many cities with bans still allow shoppers to purchase paper bags, which are easily recycled but require more energy to produce and transport. And while plastic bags may be ugly to look at, they represent a small percentage of all garbage on the ground today.
The industry has also taken aim at the product that has appeared as its replacement: reusable shopping bags. The stronger a reusable bag is, the longer its life and the more plastic-bag use it cancels out. However, longer-lasting reusable bags often require more energy to make. One study found that a cotton bag must be used at least 131 times to be better for the planet than plastic.
Environmentalists don't dispute（质疑） these points. They hope paper bags will be banned someday too and want shoppers to use the same reusable bags for years.
24. What has Steven Stein been hired to do?
A. Help increase grocery sales. B. Recycle the waste material.
C. Stop things falling off trucks. D. Argue for the use of plastic bags.
25. What does the word “headwinds”in paragraph 2 refer to?
A. Bans on plastic bags. B. Effects of city development.
C. Headaches caused by garbage. D. Plastic bags hung in trees.
26. What is a disadvantage of reusable bags according to plastic-bag makers?
A. They are quite expensive. B. Replacing them can be difficult.
C. They are less strong than plastic bags. D. Producing them requires more energy.
27. What is the best title for the text?
A. Plastic, Paper or Neither B. Industry, Pollution and Environment
C. Recycle or Throw Away D. Garbage Collection and Waste Control
【文章大意】文章分析了几种购物袋的使用情况，塑料袋造成了环境问题，尽管纸袋容易回收，但生产和运输需要更多的能源，希望消费者使用耐用可重复使用的袋子。
24.D 【解析】细节理解题。根据第一段one of Stein's jobs is defending an industry behind the plastic shopping bags.和第二段plastic-bag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people assume.可知塑料袋生产商雇用Steven Stein是为了证明他们的产品并不像大多数人想象的那样对地球有害，是对塑料袋被禁用的解释和争论。故选D。
25.A 【解析】词义猜测题。上文介绍在许多美国大城市塑料袋被禁用，看到这种现状，塑料袋生产商雇用Steven Stein等科学家是为了证明他们的产品并不像大多数人想象的那样对地球有害。headwinds“逆风”，此处指塑料袋被禁用的现状，即Bans on plastic bags，故选A。
26.D 【解析】细节理解题。根据第四段However, longer-lasting reusable bags often require more energy to make.可知塑料袋生产商认为生产耐用且能重复使用的袋子需要更多的能量，故选D。
27.A 【解析】标题归纳题。文章讲述了使用塑料袋造成的环境问题，纸袋容易回收，但生产和运输需要更多的能源，希望消费者使用耐用可重复使用的袋子。对这三种方式进行了对比，Plastic, Paper or Neither既能概括全文，又能吸引读者，最适合作为标题。故选A。
7.【2018·浙江卷，C】
As cultural symbols go, the American car is quite young. The Model T Ford was built at the Piquette Plant in Michigan a century ago, with the first rolling off the assembly line（装配线）on September 27, 1908. Only eleven cars were produced the next month. But eventually Henry Ford would build fifteen million of them.
Modern America was born on the road, behind a wheel. The car shaped some of the most lasting aspects of American culture: the roadside diner, the billboard, the motel, even the hamburger. For most of the last century, the car represented what it meant to be American—going forward at high speed to find new worlds. The road novel, the road movie, these are the most typical American ideas, born of abundant petrol, cheap cars and a never-ending interstate highway system, the largest public works project in history.
In 1928 Herbert Hoover imagined an America with “a chicken in every pot and a car in every garage.” Since then, this society has moved onward, never looking back, as the car transformed America from a farm-based society into an industrial power.
The cars that drove the American Dream have helped to create a global ecological disaster. In America the demand for oil has grown by 22 percent since 1990.
The problems of excessive（过度的）energy consumption, climate change and population growth have been described in a book by the American writer Thomas L. Friedman. He fears the worst, but hopes for the best.
Friedman points out that the green economy（经济）is a chance to keep American strength. “The ability to design, build and export green technologies for producing clean water, clean air and healthy and abundant food is going to be the currency of power in the new century.”
28. Why is hamburger mentioned in paragraph 2?
A. To explain Americans’ love for travelling by car.
B. To show the influence of cars on American culture.
C. To stress the popularity of fast food with Americans.
D. To praise the effectiveness of America’s road system.
29. What has the use of cars in America led to?
A. Decline of economy. B. Environmental problems.
C. A shortage of oil supply. D. A farm-based society.
30. What is Friedman’s attitude towards America’s future?
A. Ambiguous. B. Doubtful. C. Hopeful. D. Tolerant.
【文章大意】文章讲述了汽车在美国经济和文化上的重要作用，也指出了汽车带来的环境问题。
28.B 【解析】推理判断题。根据第二段Modern America was born on the road, behind a wheel. The car shaped some of the most lasting aspects of American culture: the roadside diner, the billboard, the motel, even the hamburger.可知现代美国诞生于公路和汽车，汽车塑造了美国文化最持久的一些方面。Hamburger就是汽车塑造的美国文化的一个方面。用这个例子是在说明汽车对美国文化的影响，故选B。
29.B 【解析】细节理解题。根据第四段The cars that drove the American Dream have helped to create a global ecological disaster.可知美国汽车的迅速发展，导致生态灾难。故选B。
30.C 【解析】推理判断题。根据倒数第二段中的He fears the worst, but hopes for the best. 和最后一段中的Friedman points out that the green economy（经济）is a chance to keep American strength.可见Friedman虽然对未来担心，但抱有最好的希望，他指出了发展绿色积极的想法。可见Friedman对未来是充满希望的，故选C。
8.【2018·江苏卷，B】
In the 1760s, Mathurin Roze opened a series of shops that boasted(享有) a special meat soup called consommé. Although the main attraction was the soup, Roze's chain shops also set a new standard for dining out, which helped to establish Roze as the inventor of the modern restaurant.
Today, scholars have generated large amounts of instructive research about restaurants. Take visual hints that influence what we eat: diners served themselves about 20 percent more pasta(意大利面食) when their plates matched their food. When a dark-colored cake was served on a black plate rather than a white one, customers recognized it as sweeter and more tasty.
Lighting matters, too. When Berlin restaurant customers ate in darkness, they couldn't tell how much they'd had: those given extra-large shares ate more than everyone else, none the wiser—they didn’t feel fuller, and they were just as ready for dessert.
Time is money, but that principle means different things for different types of restaurants. Unlike fast-food places, fine dining shops prefer customers to stay longer and spend. One way to encourage customers to stay and order that extra round: put on some Mozart(莫扎特).When classical, rather than pop, music was playing, diners spent more. Fast music hurried diners out.
Particular scents also have an effect: diners who got the scent of lavender(薰衣草) stayed longer and spent more than those who smelled lemon, or no scent.
Meanwhile, things that you might expect to discourage spending—"bad" tables, crowding. high prices — don't necessarily. Diners at bad tables — next to the kitchen door, say — spent nearly as much as others but soon fled. It can be concluded that restaurant keepers need not "be overly concerned about ‘bad’ tables," given that they're profitable. As for crowds, a Hong Kong study found that they increased a restaurant's reputation, suggesting great food at fair prices. And doubling a buffet's price led customers to say that its pizza was 11 percent tastier.
58. The underlined phrase "none the wiser" in paragraph 3 most probably implies that the customers were .
A. not aware of eating more than usual
B. not willing to share food with others
C. not conscious of the food quality
D. not fond of the food provided
59. How could a fine dining shop make more profit?
A. Playing classical music.
B. Introducing lemon scent.
C. Making the light brighter,
D. Using plates of larger size.
60. What does the last paragraph talk about?
A. Tips to attract more customers.
B. Problems restaurants are faced with.
C. Ways to improve restaurants' reputation.
D. Common misunderstandings about restaurants.
【文章大意】本文为说明文，介绍了现代餐馆面临的经营困境和解决方案，介绍了刺激消费和食欲的几种方法，以及人们对餐厅就餐的一些错误认识。
58.A 【解析】词义猜测题。根据文章第三段划线部分的前句they couldn't tell how much they'd had: those given extra-large shares ate more than everyone else,可知在黑暗中，他们说不清自己吃了多少，再根据划线后 的句子they didn’t feel fuller, and they were just as ready for dessert.可知他们虽然吃得很多，但并没有感觉更饱，仍然在等着吃甜点，所以他们没有意识到自己吃多了，所以A正确。
59.A 【解析】细节理解题。根据第四段中的One way to encourage customers to stay and order that extra round: put on some Mozart(莫扎特）可知，要想让客人呆的时间更长应该播放莫扎特等古典音乐而不是流行音乐。Particular scents also have an effect: diners who got the scent of lavender(薰衣草）stayed longer and spent more than those who smelled lemon, or no scent.引入薰衣草香而不是柠檬香，而D项文章没有提及，所以用排除方法可以选A。
60.D 【解析】主旨大意题。根据文章最后一段第一句Meanwhile, things that you might expect to discourage spending—"bad" tables, crowding，high prices — don't necessarily.可知你认为可能会影响人们消费的因素如不好的桌子，拥挤以及高价等不一定会真影响人们的消费，然后依次举例进行了证明，所以本段主要讲的是人们对于饭店的几个误解，故选D。
9.【2018·江苏卷，D】
Children as young as ten are becoming dependent on social media for their sense of self-worth, a major study warned.
It found many youngsters(少年）now measure their status by how much public approval they get online, often through “likes”. Some change their behaviour in real life to improve their image on the web.
The report into youngsters aged from 8 to 12 was carried out by Children's Commissioner (专员）Anne Longfield. She said social media firms were exposing children to major emotional risks, with some youngsters starting secondary school ill-equipped to cope with the tremendous pressure they faced online.
Some social apps were popular among the children even though they supposedly require users to be at least 13.The youngsters admitted planning trips around potential photo-opportunities and then messaging friends—and friends of friends — to demand “likes” for their online posts.
The report found that youngsters felt their friendships could be at risk if they did not respond to social media posts quickly, and around the clock.
Children aged 8 to 10 were "starting to feel happy" when others liked their posts. However, those in the 10 to 12 age group were "concerned with how many people like their posts", suggesting a “need” for social recognition that gets stronger the older they become.
Miss Longfield warned that a generation of children risked growing up "worried about their appearance and image as a result of the unrealistic lifestyles they follow on platforms, and increasingly anxious about switching off due to the constant demands of social media.
She said: "Children are using social media with family and friends and to play games when they are in primary school. But what starts as fun usage of apps turns into tremendous pressure in real social media interaction at secondary school."
As their world expanded, she said, children compared themselves to others online in a way that was "hugely damaging in terms of their self-identity, in terms of their confidence, but also in terms of their ability to develop themselves".
Miss Longfield added: "Then there is this push to connect—if you go offline, will you miss something, will you miss out, will you show that you don't care about those people you are following, all of those come together in a huge way at once." "For children it is very, very difficult to cope with emotionally." The Children's Commissioner for England's study—life in Likes—found that children as young as 8 were using social media platforms largely for play.
However, the research—involving eight groups of 32 children aged 8 to 12—suggested that as they headed toward their teens, they became increasingly anxious online.
By the time they started secondary school—at age 11—children were already far more aware of their image online and felt under huge pressure to ensure their posts were popular, the report found.
However, they still did not know how to cope with mean-spirited jokes, or the sense of incompetence they might feel if they compared themselves to celebrities(名人）or more brilliant friends online. The report said they also faced pressure to respond to messages at all hours of the day—especially at secondary school when more youngsters have mobile phones.
The Children’s Commissioner said schools and parents must now do more to prepare children for the emotional minefield(雷区）they faced online. And she said social media companies must also "take more responsibility". They should either monitor their websites better so that children do not sign up too early, or they should adjust their websites to the needs of younger users.
Javed Khan, of children's charity Bamardo's, said: "It's vital that new compulsory age- appropriate relationship and sex education lessons in England should help equip children to deal with the growing demands of social media.
“It’s also hugely important for parents to know which apps their children are using.”
65. Why did some secondary school students feel too much pressure?
A. They were not provided with adequate equipment.
B. They were not well prepared for emotional risks.
C. They were required to give quick responses.
D. They were prevented from using mobile phones.
66. Some social app companies were to blame because .
A. they didn't adequately check their users' registration
B. they organized photo trips to attract more youngsters
C. they encouraged youngsters to post more photos
D. they didn't stop youngsters from staying up late
67. Children's comparing themselves to others online may lead to .
A. less friendliness to each other
B. lower self-identity and confidence
C. an increase in online cheating
D. a stronger desire to stay online
68. According to Life in Likes, as children grew, they became more anxious to .
A. circulate their posts quickly B. know the qualities of their posts
C. use mobile phones for play D. get more public approval
69. What should parents do to solve the problem?
A. Communicate more with secondary schools.
B. Urge media companies to create safer apps.
C. Keep track of children's use of social media.
D. Forbid their children from visiting the web.
70. What does the passage mainly talk about?
A. The influence of social media on children.
B. The importance of social media to children.
C. The problem in building a healthy relationship.
D. The measure to reduce risks from social media.
【文章大意】本文为说明文，主要介绍了社交媒体(social media ) 使得8-12 岁的孩子面临很多压力，并分析了原因，提出了建议。
65.B 【解析】细节理解题。根据文章第三段第二句话She said social media firms were exposing children to major emotional risks, with some youngsters starting secondary school ill-equipped to cope with the tremendous pressure they faced online.可知一些社会媒体公司使孩子们处于大的情感压力下，从而使孩子们感到巨大的压力，故B正确。
66.A 【解析】推理判断题。根据文章第四段第一句话Some social apps were popular among the children even though they supposedly require users to be at least 13.可知一些apps 很受孩子们欢迎，尽管它们要求使用者不低于13岁，言外之意，他们没有对孩子的年龄进行监管，故选A。
67.B 【解析】细节理解题。根据文章第九段children compared themselves to others online in a way that was "hugely damaging in terms of their self-identity, in terms of their confidence, but also in terms of their ability to develop themselves".可知孩子在网上与其他人比较损害他们的自尊心，自信心以及自我发展的能力，故B正确。
68.D 【解析】推理判断题。根据文章第12段However, the research—involving eight groups of 32 children aged 8 to 12—suggested that as they headed toward their teens, they became increasingly anxious online.可知随着孩子年龄的增长，他们开始渴望上网，再根据13段By the time they started secondary school—at age 11—children were already far more aware of their image online and felt under huge pressure to ensure their posts were popular, the report found.可以推断出他们的压力源于他们渴望自己的发帖能受欢迎、被认可，由此可见他们渴望得到公众的认可。故选D。
69.C 【解析】细节理解题。根据文章最后一段It’s also hugely important for parents to know which apps their children are using.可以推断出父母需要了解孩子在使用什么apps，所以应该时刻跟踪了解孩子对于社交app的使用。故选C。
70.A 【解析】主旨大意题。根据文章第一段Children as young as ten are becoming dependent on social media for their sense of self-worth, a major study warned.可知本文为新闻报道体，文章主要介绍teens 变得越来越依赖社交媒体。再根据全文内容可知文章主要介绍了社交媒体对孩子的影响，所以A正确。
【2017年】
1. 【2017·全国卷I，D】
A build-it-yourself solar still（蒸馏器） is one of the best ways to obtain drinking water in areas where the liquid is not readily available. Developed by two doctors in the U.S. Department of Agriculture, it’s an excellent water collector. Unfortunately, you must carry the necessary equipment with you, since it’s all but impossible to find natural substitutes. The only components required, though, are a 5＇5＇ sheet of clear or slightly milky plastic, six feet of plastic tube, and a container — perhaps just a drinking cup — to catch the water. These pieces can be folded into a neat little pack and fastened on your belt.
To construct a working still, use a sharp stick or rock to dig a hole four feet across and three feet deep. Try to make the hole in a damp area to increase the water catcher’s productivity. Place your cup in the deepest part of the hole. Then lay the tube in place so that one end rests all the way in the cup and the rest of the line runs up — and out — the side of the hole.
Next, cover the hole with the plastic sheet, securing the edges of the plastic with dirt and weighting the sheet’s center down with a rock. The plastic should now form a cone(圆锥体) with 45-degree-angled sides. The low point of the sheet must be centered directly over, and no more than three inches above, the cup.
The solar still works by creating a greenhouse under the plastic. Ground water evaporates(蒸发) and collects on the sheet until small drops of water form, run down the material and fall off into the cup. When the container is full, you can suck the refreshment out through the tube, and won’t have to break down the still every time you need a drink.
32. What do we know about the solar still equipment from the first paragraph?
A. It’s delicate. B. It’s expensive.
C. It’s complex. D. It’s portable.
33. What does the underlined phrase ＂the water catcher＂ in paragraph 2 refer to?
A. The tube. B. The still.
C. The hole. D. The cup.
34. What is the last step of constructing a working solar still?
A. Dig a hole of a certain size. B. Put the cup in place.
C. Weight the sheet’s center down. D. Cover the hole with the plastic sheet.
35. When a solar still works, drops of water come into the cup from .
A. the plastic tube B. outside the hole
C. the open air D. beneath the sheet
【文章大意】本文主要介绍了一种自己可以亲手制作的简单易行的太阳能蒸馏器的方法，并介绍了它的工作原理。这种蒸馏器所需的材料简单，适用于任何缺水的地方。
32. D 【解析】推理判断题。根据第一段最后一句话These pieces can be folded into a neat little pack and fastened on your belt.可知制作蒸馏器的东西可以叠放在一个小包里，系在腰间，这说明制作蒸馏器的设备很轻便，portable表示＂轻便的；手提的＂，故选D。
33. B 【解析】词义猜测题。根据Try to make the hole in a damp area to increase the water catcher’s productivity可知最好在潮湿的地方挖洞，以提高接水器的工作效率。＂接水器＂指的是在潮湿的地方挖洞，在洞的底部放一个杯子，杯子上方用膜覆盖，整个装置构成接水器，而不是某个部分。这一题很容易错选D，但是就算在干燥的地方挖洞，杯子也可以接水，杯子接水的事实并不会因为周围环境的变化而变化，杯子的工作效率是不变的。故选B。
34. C 【解析】细节理解题。根据第三段Next, cover the hole with the plastic sheet, securing the edges of the plastic with dirt and weighting the sheet’s center down with a rock.可知最后一步是weighting the sheet’s center down with a rock(放一块石头在覆盖膜的中间，把它压下去)，故选C。
35. D 【解析】推理判断题。结合第四段中的Ground water evaporates(蒸发) and collects on the sheet until small drops of water form, run down the material and fall off into the cup可知地下水蒸发，在覆盖膜上聚集起来，直到形成小水滴落在杯子里，覆盖膜是在杯子上面的，水滴落入杯子里，所以水滴是聚在覆盖膜的下面。故选D。
2. 【2017·全国卷II，C】
Terrafugia Inc. said Monday that its new flying car has completed its first flight, bringing the company closer to its goal of selling the flying car within the next year. The vehicle — named the Transition — has two seats, four wheels and wings that fold up so it can be driven like a car. The Transition, which flew at 1,400 feet for eight minutes last month, can reach around 70 miles per hour on the road and 115 in the air. It flies using a 23-gallon tank of gas and burns 5 gallons per hour in the air. On the ground, it gets 35 miles per gallon.
Around 100 people have already put down a $10,000 deposit to get a Transition when they go on sale, and those numbers will likely rise after Terrafugia introduces the Transition to the public later this week at the New York Auto Show. But don’t expect it to show up in too many driveways. It’s expected to cost $279,000. And it won’t help if you’re stuck in traffic. The car needs a runway.
Inventors have been trying to make flying cars since the 1930s, according to Robert Mann, an airline industry expert. But Mann thinks Terrafugia has come closer than anyone to making the flying car a reality. The government has already permitted the company to use special materials to make it easier for the vehicle to fly. The Transition is now going through crash tests to make sure it meets federal safety standards.
Mann said Terrafugia was helped by the Federal Aviation Administration’s decision five years ago to create a separate set of standards for light sport aircraft, which are lower than those for pilots of larger planes. Terrafugia says an owner would need to pass a test and complete 20 hours of flying time to be able to fly the Transition, a requirement pilots would find relatively easy to meet.
28. What is the first paragraph mainly about?
A. The basic data of the Transition.
B. The advantages of flying cars.
C. The potential market for flying cars.
D. The designers of the Transition.
29. Why is the Transition unlikely to show up in too many driveways?
A. It causes traffic jams.
B. It is difficult to operate.
C. It is very expensive.
D. It burns too much fuel.
30. What is the government’s attitude to the development of the flying car?
A. Cautious. B. Favorable.
C. Ambiguous. D. Disapproving.
31. What is the best title for the text?
A. Flying Car at Auto Show B. The Transition’s First Flight
C. Pilots’ Dream Coming True D. Flying Car Closer to Reality
【语篇解读】本文是一篇科普说明文。Terrafugia 公司研制出飞行汽车并成功进行了第一次飞行，使飞行汽车成为现实更进一步。
28. A【解析】考查段落大意。第一段的第二句"The vehicle...like a car"介绍了飞行汽车Transition的构造，第一段的后半部分介绍它的空中飞行速度、陆地行驶速度和油耗情况，这些都是飞行汽车的基本数据。故选A项。
29. C【解析】考查细节理解。根据第二段中的"But don’t expect it to show up in too many driveways. It’s expected to cost $ 279,000"可知，该飞行汽车是非常贵的，所以不太可能大量出现在车道上。故选C项。
30. B【解析】考查推理判断。根据第三段中的"The government has already permitted the company to use special materials to make it easier for the vehicle to fly"可推知，政府对该项目是支持的。故选B项。
31. D【解析】考查主旨大意。根据第一段中的"Terrafugia Inc. said Monday that its new flying car has completed its first flight, bringing the company closer to its goal of selling the flying car within the next year"可知，Terrafugia公司的飞行汽车成功进行了第一次飞行，从而使飞行汽车更加接近现实。所以选D项。主旨大意题的解答要注意文章的首段和尾段，同时要结合文章中大部分内容所讲述的观点。文章中只提及Transition会出现在New York Auto Show，但这不是文章主要内容,故排除A项;B项只是飞行汽车的第一次飞行，过于片面；C项中的"Pilots’ Dream"未在文中提及。
3. 【2017·全国卷II，D】
When a leafy plant is under attack, it doesn’t sit quietly. Back in 1983, two scientists, Jack Schultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals come from the injured parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short.
Scientists have found that all kinds of plants give out VOCs when being attacked. It’s a plant’s way of crying out. But is anyone listening? Apparently. Because we can watch the neighbors react.
Some plants pump out smelly chemicals to keep insects away. But others do double duty. They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who was lunching now becomes lunch.
In study after study, it appears that these chemical conversations help the neighbors. The damage is usually more serious on the first plant, but the neighbors, relatively speaking, stay safer because they heard the alarm and knew what to do.
Does this mean that plants talk to each other? Scientists don’t know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so, in effect, was talking to itself. Perhaps the neighbors just happened to "overhear" the cry. So information was exchanged, but it wasn’t a true, intentional back and forth.
Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate(亲密的) than the world we can see and hear. Our senses are weak. There’s a whole lot going on.
32. What does a plant do when it is under attack?
A. It makes noises. B. It gets help from other plants.
C. It stands quietly. D. It sends out certain chemicals.
33. What does the author mean by "the tables are turned" in paragraph 3?
A. The attackers get attacked. B. The insects gather under the table.
C. The plants get ready to fight back. D. The perfumes attract natural enemies.
34. Scientists find from their studies that plants can .
A. predict natural disasters B. protect themselves against insects
C. talk to one another intentionally D. help their neighbors when necessary
35. What can we infer from the last paragraph?
A. The world is changing faster than ever. B. People have stronger senses than before.
C. The world is more complex than it seems. D. People in Darwin’s time were more imaginative.
【语篇解读】本文是一篇说明文，介绍了植物在受到昆虫的攻击时是如何进行自我保护的，同时引出世界比我们人类想象的要复杂得多这一观点。
32. D【解析】考查细节理解。根据第一段的"young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals come from the injured parts of the plant"可知，当植物受到攻击时，它会产生一些化学物质。故选D项。
33. A【解析】考查句意理解。根据第三段中的"The attacker who was lunching now becomes lunch"可知，正吃午餐的袭击者变成了午餐，也就是袭击者被攻击了。故选A项。
34. B【解析】考查推理判断。根据第三段中的"Some plants pump out smelly chemicals to keep insects away. But others do double duty"可知，植物能保护自己抵抗昆虫。故选B项。
35. C【解析】考查推理判断。根据最后一段中的"imagined a world far busier, noisier and more intimate(亲密的) than the world we can see and hear. Our senses are weak"可推知，世界比它显现出来的更加复杂。故选C项。
4. 【2017·全国卷III，C】
After years of heated debate, gray wolves were reintroduced to Yellowstone National Park. Fourteen wolves were caught in Canada and transported to the park. By last year, the Yellowstone wolf population had grown to more than 170 wolves.
Gray wolves once were seen here and there in the Yellowstone area and much of the continental United States, but they were gradually displaced by human development. By the 1920s, wolves had practically disappeared from the Yellowstone area. They went farther north into the deep forests of Canada, where there were fewer humans around.
The disappearance of the wolves had many unexpected results. Deer and elk populations — major food sources (来源) for the wolf — grew rapidly. These animals consumed large amounts of vegetation (植被), which reduced plant diversity in the park. In the absence of wolves, coyote populations also grew quickly. The coyotes killed a large percentage of the park’s red foxes, and completely drove away the park’s beavers.
As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems. Many farmers opposed the plan because they feared that wolves would kill their farm animals or pets.
The government spent nearly 30 years coming up with a plan to reintroduce the wolvers. The U.S. Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone. Today, the debate continues over how well the gray wolf is fitting in at Yellowstone. Elk, deer, and coyote populations are down, while beavers and red foxes have made a comeback. The Yellowstone wolf project has been a valuable experiment to help biologists decide whether to reintroduce wolves to other parts of the country as well.
28. What is the text mainly about?
A. Wildlife research in the United States.
B. Plant diversity in the Yellowstone area.
C. The conflict between farmers and gray wolves.
D. The reintroduction of wolves to Yellowstone Park.
29. What does the underlined word ＂displaced＂ in paragraph 2 mean?
A. Tested. B. Separated. C. Forced out. D. Tracked down.
30. What did the disappearance of gray wolves bring about?
A. Damage to local ecology. B. A decline in the park’s income.
C. Preservation of vegetation. D. An increase in the variety of animals.
31. What is the author’s attitude towards the Yellowstone wolf project?
A. Doubtful. B. Positive. C. Disapproving. D. Uncaring.
【文章大意】本文是一篇说明文，介绍了美国黄石公园重新引进灰狼的故事。
28. D 【解析】主旨大意题。文章开门见山地提出黄石公园引进灰狼的举措，然后在下文中详细介绍其原因以及带来的良好的转机，由此判断本文的中心话题是美国黄石公园重新引进灰狼。
29. C 【解析】词义猜测题。根据本段后两句可知，因为人类的发展，侵占了灰狼的领域，灰狼逐渐向北迁徙，由此推断灰狼被人类排挤走了。
30. A 【解析】推理判断题。根据第三段的内容可知，灰狼的减少造成了鹿群的增多，从而植被遭到了破坏；土狼的数量快速增加，它们猎杀了大量的赤狐，赶走了海狸，由此可推断出灰狼的消失导致了当地生态平衡被破坏。
31. B 【解析】推理判断题。根据文章末段的最后一句可知，作者认为引进灰狼的项目是很有价值的实验，因此可推知作者对这一举措持肯定的态度。
5. 【2017·全国卷III，D】
The Intelligent Transport team at Newcastle University have turned an electric car into a mobile laboratory named ＂DriveLAB＂ in order to understand the challenges faced by older drivers and to discover where the key stress points are.
Research shows that giving up driving is one of the key reasons for a fall in health and well-being among older people, leading to them becoming more isolated(隔绝) and inactive.
Led by Professor Phil Blythe, the Newcastle team are developing in-vehicle technologies for older drivers which they hope could help them to continue driving into later life.
These include custom-made navigation(导航) tools, night vision systems and intelligent speed adaptations. Phil Blythe explains: ＂For many older people, particularly those living alone or in the country, driving is important for preserving their independence, giving them the freedom to get out and about without having to rely on others.＂
＂But we all have to accept that as we get older our reactions slow down and this often results in people avoiding any potentially challenging driving conditions and losing confidence in their driving skills. The result is that people stop driving before they really need to.＂
Dr Amy Guo, the leading researcher on the older driver study, explains: ＂The DriveLAB is helping us to understand what the key points and difficulties are for older drivers and how we might use technology to address these problems.
＂For example, most of us would expect older drivers always go slower than everyone else but surprisingly, we found that in 30mph zones they struggled to keep at a constant speed and so were more likely to break the speed limit and be at risk of getting fined. We’re looking at the benefits of systems which control their speed as a way of preventing that.
＂We hope that our work will help with technological solutions(解决方案) to ensure that older drivers stay safer behind the wheel.＂
32. What is the purpose of the DriveLAB?
A. To explore new means of transport.
B. To design new types of cars.
C. To find out older driver’s problems.
D. To teach people traffic rules.
33. Why is driving important for older people according to Phil Blythe?
A. It keeps them independent.
B. It helps them save time.
C. It builds up their strength.
D. It cures their mental illnesses.
34. What do researchers hope to do for older drivers?
A. Improve their driving skills.
B. Develop driver-assist technologies.
C. Provide tips on repairing their cars.
D. Organize regular physical checkups.
35. What is the best title for the text?
A. A new Model Electric Car
B. A Solution to Traffic Problems
C. Driving Services for Elders
D. Keeping Older Drivers on the Road
【文章大意】为了了解老年司机所面临的问题，科研人员研制出DriveLAB，目的是能够帮助他们延长驾龄，从而保持积极、健康的生活方式。
32. C 【解析】细节理解题。根据文章首段的内容可知，研制DriveLAB的目的是为了更好地了解老年司机所面临的挑战。
33. A 【解析】推理判断题。根据第四段中 Phil Blythe所说的＂...driving is important for preserving their independence, giving them the freedom to get out and about without having to rely on others＂可知，在Phil Blythe看来，能够开车是老年人能够保持独立生活和自由外出的重要条件。
34. B 【解析】推理判断题。根据文章最后三段的内容可知，研究人员希望能够通过研制一些司机辅助技术来帮助老年司机延长驾龄、享受更多的独立生活。
35. D 【解析】主旨大意题。文章主要介绍了科研人员通过把电动车改装成一款＂DriveLAB＂来研究如何帮助解决老年司机在开车时遇到的问题，以便延长他们独立生活的时间，提高他们的生活质量。
6. 【2017·北京卷，C】
Measles(麻疹), which once killed 450 children each year and disabled even more, was nearly wiped out in the United States 14 years ago by the universal use of the MMR vaccine(疫苗). But the disease is making a comeback, caused by a growing anti-vaccine movement and misinformation that is spreading quickly. Already this year, 115 measles cases have been reported in the USA, compared with 189 for all of last year.
The numbers might sound small, but they are the leading edge of a dangerous trend. When vaccination rates are very high, as they still are in the nation as a whole, everyone is protected. This is called ＂herd immunity＂, which protects the people who get hurt easily, including those who can’t be vaccinated for medical reasons, babies too young to get vaccinated and people on whom the vaccine doesn’t work.
But herd immunity works only when nearly the whole herd joins in. When some refuse vaccination and seek a free ride, immunity breaks down and everyone is in even bigger danger.
That’s exactly what is happening in small neighborhoods around the country from Orange County, California, where 22 measles cases were reported this month, to Brooklyn, N.Y., where a 17-year-old caused an outbreak last year.
The resistance to vaccine has continued for decades, and it is driven by a real but very small risk. Those who refuse to take that risk selfishly make others suffer.
Making things worse are state laws that make it too easy to opt out(决定不参加) of what are supposed to be required vaccines for all children entering kindergarten. Seventeen states allow parents to get an exemption（豁免）, sometimes just by signing a paper saying they personally object to a vaccine.
Now, several states are moving to tighten laws by adding new regulations for opting out. But no one does enough to limit exemptions.
Parents ought to be able to opt out only for limited medical or religious reasons. But personal opinions? Not good enough. Everyone enjoys the life-saving benefits vaccines provide, but they’ll exist only as long as everyone shares in the risks.
63. The first two paragraphs suggest that ____________.
A. a small number of measles cases can start a dangerous trend
B. the outbreak of measles attracts the public attention
C. anti-vaccine movement has its medical reasons
D. information about measles spreads quickly
64. Herd immunity works well when ____________.
A. exemptions are allowed
B. several vaccines are used together
C. the whole neighborhood is involved in
D. new regulations are added to the state laws
65. What is the main reason for the comeback of measles?
A. The overuse of vaccine.
B. The lack of medical care.
C. The features of measles itself.
D. The vaccine opt-outs of some people.
66. What is the purpose of the passage?
A. To introduce the idea of exemption.
B. To discuss methods to cure measles.
C. To stress the importance of vaccination.
D. To appeal for equal rights in medical treatment.
【文章大意】本文主要是介绍了麻疹在历史上带来的危害，以及为什么会发生这样的情况。
63.A 【解析】文章第二段的首句既是对第一段的总结，又是第二段的中心句，由此可知答案为A。
64.C 【解析】根据第三段But herd immunity works only when nearly the whole herd joins in.可知只有所有人都参与了才会有用，故选C。
65.D 【解析】根据第一段But the disease is making a comeback, caused by a growing anti-vaccine movement and misinformation that is spreading quickly.可知，那些反对疫苗的人导致的麻疹的复发，故选D。
66.C 【解析】本文主要是介绍了麻疹在历史上带来的危害，以及为什么会有这样的情况，最根本原因还是那些不注射疫苗的人导致的，故本文的目的是强调疫苗的作用，故选C。

7. 【2017·北京卷，D】
Hollywood’s theory that machines with evil(邪恶) minds will drive armies of killer robots is just silly. The real problem relates to the possibility that artificial intelligence(AI) may become extremely good at achieving something other than what we really want. In 1960 a well-known mathematician Norbert Wiener, who founded the field of cybernetics（控制论）, put it this way: ＂If we use, to achieve our purposes, a mechanical agency with whose operation we cannot effectively interfere(干预), we had better be quite sure that the purpose put into the machine is the purpose which we really desire.＂
A machine with a specific purpose has another quality, one that we usually associate with living things: a wish to preserve its own existence. For the machine, this quality is not in-born, nor is it something introduced by humans; it is a logical consequence of the simple fact that the machine cannot achieve its original purpose if it is dead. So if we send out a robot with the single instruction of fetching coffee, it will have a strong desire to secure success by disabling its own off switch or even killing anyone who might interfere with its task. If we are not careful, then, we could face a kind of global chess match against very determined, super intelligent machines whose objectives conflict with our own, with the real world as the chessboard.
The possibility of entering into and losing such a match should concentrate the minds of computer scientists. Some researchers argue that we can seal the machines inside a kind of firewall, using them to answer difficult questions but never allowing them to affect the real world. Unfortunately, that plan seems unlikely to work: we have yet to invent a firewall that is secure against ordinary humans, let alone super intelligent machines.
Solving the safety problem well enough to move forward in AI seems to be possible but not easy. There are probably decades in which to plan for the arrival of super intelligent machines. But the problem should not be dismissed out of hand, as it has been by some AI researchers. Some argue that humans and machines can coexist as long as they work in teams—yet that is not possible unless machines share the goals of humans. Others say we can just ＂switch them off＂ as if super intelligent machines are too stupid to think of that possibility. Still others think that super intelligent AI will never happen. On September 11, 1933, famous physicist Ernest Rutherford stated, with confidence, ＂Anyone who expects a source of power in the transformation of these atoms is talking moonshine.＂ However, on September 12, 1933, physicist Leo Szilard invented the neutron-induced(中子诱导) nuclear chain reaction.
67. Paragraph 1 mainly tells us that artificial intelligence may __________.
A. run out of human control
B. satisfy human’s real desires
C. command armies of killer robots
D. work faster than a mathematician
68. Machines with specific purposes are associated with living things partly because they might be able to __________.
A. prevent themselves from being destroyed
B. achieve their original goals independently
C. do anything successfully with given orders
D. beat humans in international chess matches
69. According to some researchers, we can use firewalls to __________.
A. help super intelligent machines work better
B. be secure against evil human beings
C. keep machines from being harmed
D. avoid robots’ affecting the world
70. What does the author think of the safety problem of super intelligent machines?
A. It will disappear with the development of AI.
B. It will get worse with human interference.
C. It will be solved but with difficulty.
D. It will stay for a decade.
【文章大意】这是一篇科技说明文。本文主要介绍了人工智能及它给我们的生活带来的影响。
67.A 【解析】推理判断题。根据第一段The real problem relates to the possibility that artificial intelligence(AI) may become extremely good at achieving something other than what we really want.可知人工智能可能会出现的真正问题是AI会非常擅长取得某个成就而不是我们真正想要的东西，也就是说AI可能会超出人的控制去做一些事情，故选A。
68.A 【解析】推理判断题。根据第二段第一句A machine with a specific purpose has another quality, one that we usually associate with living things: a wish to preserve its own existence.可知，原因是保护它自己的存在的一种愿望，也就是说，它具有有生命的物体的一种品质是因为它要保护自己不被破坏，继续存在下去，故选A。
69.D 【解析】推理判断题。根据第三段using them to answer difficult questions but never allowing them to affect the real world.可知可以用防火墙来回答那些困难的问题但是却永远不要让他们影响这个真正的现实世界，所以选D。
70.C 【解析】推理判断题。根据最后一段Solving the safety problem well enough to move forward in AI seems to be possible but not easy.可知作者认为解决人工智能机器的安全问题是可能的，但是并不容易，也就是很困难，故选C。
8.【2017·江苏卷，B】
Before birth, babies can tell the difference between loud sounds and voices. They can even distinguish their mother’s voice from that of a female stranger. But when it comes to embryonic learning(胎教),birds could rule the roost. As recently reported in The Auk: Ornithological Advances, some mother birds may teach their young to sing even before they hatch(孵化). New-born chicks can then imitate their mom’s call within a few days of entering the world.

This educational method was first observed in 2012 by Sonia Kleindorfer, a biologist at Flinders University in South Australia, and her colleagues. Female Australian superb fairy wrens were found to repeat one sound over and over again while hatching their eggs. When the eggs were hatched, the baby birds made the similar chirp to their mothers — a sound that served as their regular "feed me!" call.
To find out if the special quality was more widespread in birds, the researchers sought the red-backed fairy wren, another species of Australian songbird. First they collected sound data from 67 nests in four sites in Queensland before and after hatching. Then they identified begging calls by analyzing the order and number of notes. A computer analysis blindly compared calls produced by mothers and chicks, ranking them by similarity.
It turns out that baby red-backed fairy wrens also emerge chirping like their moms. And the more frequently mothers had called to their eggs, the more similar were the babies’ begging calls. In addition, the team set up a separate experiment that suggested that the baby birds that most closely imitated their mom’s voice were rewarded with the most food.
This observation hints that effective embryonic learning could signal neurological(神经系统的) strengths of children to parents. An evolutionary inference can then be drawn. "As a parent, do you invest in quality children, or do you invest in children that are in need?"Kleindorfer asks. "Our results suggest that they might be going for quality."
58. The underlined phrase in Paragraph 1 means "　　　".
A.be the worst B.be the best
C.be just as bad D.be just as good
59. What are Kleindorfer’s findings based on?
A. Similarities between the calls of moms and chicks.
B. The observation of fairy wrens across Australia.
C. The data collected from Queensland’s locals.
D. Controlled experiments on wrens and other birds.
60. Embryonic learning helps mother birds to identify the baby birds which　　　.
A. can receive quality signals B. are in need of training
C. fit the environment better D. make the loudest call
【文章大意】文章介绍了鸟类在胎教方面的超凡本领。实验发现鸟儿在孵化时不停地鸣叫是为了教会以后出生的雏鸟歌唱的本领，从而挑选出能够适应环境的雏鸟。
58. B【解析】根据第二段＂when the errs were hatched, the baby birds made the similar chirp to their mothers＂可知，鸟儿在孵化小鸟的时候，鸣叫对未出生的小鸟有很大影响，它们被孵化后也能发出类似的声音，说明鸟儿很擅长胎教。
59. A【解析】根据第三段＂the researchers sought the red-backed fairy wren, another species of Australian songbird.＂可知，研究人员并未在全澳洲范围展开调查，排除B项；未对其它鸟类进行记录研究，排除D项。根据倒数第三段中的＂A computer analysis blindly compared calls produced by mothers and chicks, ranking them by similarity.＂可知，A项正确。
60. C【解析】根据倒数第二段中的＂the baby birds that most closely imitated their mom’s voice were rewarded with the most food＂和最后一段＂Our results suggest that they might be going for quality.＂可知，模仿母鸟模仿得最好的雏鸟得到最多的食物，研究结果表明，母亲会选择质量好的雏鸟。由此可知，胎教帮助母鸟辨别出那些适应环境较好的孩子。
9. 【2017·江苏卷，D】
Old Problem, New Approaches
While clean energy is increasingly used in our daily life, global warming will continue for some decades after CO2 emissions(排放) peak. So even if emissions were to begin to decrease today, we would still face the challenge of adapting to climate change. Here I will stress some smarter and more creative examples of climate adaptation.
When it comes to adaptation, it is important to understand that climate change is a process. We are therefore not talking about adapting to a new standard, but to a constantly shifting set of conditions. This is why, in part at least, the US National Climate Assessment says that: "There is no ‘one-size fits all’ adaptation." Nevertheless, there are some actions that offer much and carry little risk or cost.
Around the world, people are adapting in surprising ways, especially in some poor countries. Floods have become more damaging in Bangladesh in recent decades. Mohammed Rezwan saw opportunity where others saw only disaster. His not-for-profit organization runs 100 river boats that serve as floating libraries, schools, and health clinics, and are equipped with solar panels and other communicating facilities. Rezwan is creating floating connectivity(连接) to replace flooded roads and highways. But he is also working at a far more fundamental level: his staff show people how to make floating gardens and fish ponds to prevent starvation during the wet season.
Elsewhere in Asia even more astonishing actions are being taken. Chewang Norphel lives in a mountainous region in India, where he is known as the Ice Man. The loss of glaciers(冰川) there due to global warming represents an enormous threat to agriculture. Without the glaciers, water will arrive in the rivers at times when it can damage crops. Norphel’s inspiration came from seeing the waste of water over winter, when it was not needed. He directed the wasted water into shallow basins where it froze, and was stored until the spring. His fields of ice supply perfectly timed irrigation(灌溉) water. Having created nine such ice reserves, Norphel calculates that he has stored about 200,000m3of water. Climate change is a continuing process, so Norphel’s ice reserves will not last forever. Warming will overtake them. But he is providing a few years during which the farmers will, perhaps, be able to find other means of adapting.
Increasing Earth’s reflectiveness can cool the planet. In southern Spain the sudden increase of greenhouses(which reflect light back to space) has changed the warming trend locally, and actually cooled the region. While Spain as a whole is heating up quickly, temperatures near the greenhouses have decreased. This example should act as an inspiration for all cities. By painting buildings white, cities may slow down the warming process.
In Peru, local farmers around a mountain with a glacier that has already fallen victim to climate change have begun painting the entire mountain peak white in the hope that the added reflectiveness will restore the life-giving ice. The outcome is still far from clear. But the World Bank has included the project on its list of "100 ideas to save the planet".
More ordinary forms of adaptation are happening everywhere. A friend of mine owns an area of land in western Victoria. Over five generations the land has been too wet for cropping. But during the past decade declining rainfall has allowed him to plant highly profitable crops. Farmers in many countries are also adapting like this — either by growing new produce, or by growing the same things differently. This is common sense. But some suggestions for adapting are not. When the polluting industries argue that we’ve lost the battle to control carbon pollution and have no choice but to adapt, it’s a nonsense designed to make the case for business as usual.
Human beings will continue to adapt to the changing climate in both ordinary and astonishing ways. But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution. After all, if we adapt in that way, we may avoid the need to change in so many others.
65. The underlined part in Paragraph 2 implies　　　.
A. adaptation is an ever-changing process
B. the cost of adaptation varies with time
C. global warming affects adaptation forms
D. adaptation to climate change is challenging
66. What is special with regard to Rezwan’s project?
A. The project receives government support.
B. Different organizations work with each other.
C. His organization makes the best of a bad situation.
D. The project connects flooded roads and highways.
67. What did the Ice Man do to reduce the effect of global warming?
A. Storing ice for future use.
B. Protecting the glaciers from melting.
C. Changing the irrigation time.
D. Postponing the melting of the glaciers.
68. What do we learn from the Peru example?
A. White paint is usually safe for buildings.
B. The global warming trend cannot be stopped.
C. This country is heating up too quickly.
D. Sunlight reflection may relieve global warming.
69. According to the author, polluting industries should 　　　.
A. adapt to carbon pollution B. plant highly profitable crops
C. leave carbon emission alone D. fight against carbon pollution
70. What’s the author’s preferred solution to global warming?
A. Setting up a new standard. B. Reducing carbon emission.
C. Adapting to climate change. D. Monitoring polluting industries.
【文章大意】文章关注的是我们熟悉的话题——气候变暖，不同的是，文章给出了一些应对气候变暖的新途径。
65.A 【解析】考查句意理解。根据上文中的"We are therefore...but to a constantly shifting set of conditions"可知，对于不断变化的环境，没有一个通用的方法来解决所有这样的问题。故画线部分暗示的是适应环境也是一个不断变化的过程。故A正确。
66.C 【解析】考查细节理解。根据第三段首句可知，世界范围内尤其是一些贫穷地区的人们使用了令人意想不到的方法去适应环境的改变，化劣势为优势，再结合下文的内容可知，Rezwan就是这么做的，故答案为C。
67.A 【解析】考查细节理解。由第四段中的"...He directed the wasted water into shallow basins where it froze， and was stored until the spring..."可知，他把水引入盆地，水在那里结冰并被存储到春天使用，故A正确。
68.D 【解析】考查细节理解。根据第六段的内容可知，在秘鲁当地的农民会把整个山峰涂成白色来增强对阳光的反射，希望借此来保护冰不被融化，再结合第五段的内容可知，反射太阳光可能会减轻全球变暖，故D项正确。
69.D 【解析】考查推理判断。根据第七段中的"When the polluting industries argue that we’ve lost the battle to control carbon pollution and have no choice but to adapt"可知，污染行业辩称因为人们没有赢得治理碳污染的战役，只能适应，再结合下文的"it’s a nonsense designed to make the case for business as usual"可知，作者认为污染行业的这种说法是荒谬的，其目的是给自己的商业行为制造借口。由此可推知，对于污染行业来说，负责任的做法是同碳污染抗争，以减少碳排放，故D正确。
70.B 【解析】考查细节理解。根据最后一段第二句"But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution"可知，作者认为最明智的应对全球变暖的方法是减少碳排放，故B正确。
10. 【2017·浙江卷，B】
Getting less sleep has become a bad habit for most American kids. According to a new survey(调查)by the National Sleep Foundation, 51% of kids aged 10 to 18 go to bed at 10 pm or later on school nights, even though they have to get up early. Last year the Foundation reported that nearly 60% of 7- to 12-year-olds said they felt tired during the day, and 15% said they had fallen asleep at school.
How much sleep you need depends a lot on your age. Babies need a lot of rest; most of them sleep about 18 hours a day! Adults need about eight hours. For most school-age children, ten hours is ideal(理想的). But the new National Sleep Foundation survey found that 35% of 10- to 12-year-olds get only seven or eight hours. And guess what almost half of the surveyed kids said they do before bedtime? Watch TV.
"More children are going to bed with TVs on, and there are more opportunities(机会)to stay awake, with more homework, the Internet and the phone," says Dr. Mary Carskadon, a sleep researcher at Brown University Medical School. She says these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep. Other experts say part of the problem is chemical. Changing levels of body chemicals called hormones not only make teenagers’ bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.
Because sleepiness is such a problem for teenagers, some school districts have decided to start high school classes later than they used to. Three years ago, schools in Edina, Minnesota, changed the start time from 7:25 am to 8:30 am. Students, parents and teachers are pleased with the results.
25.What is the new National Sleep Foundation survey on?
A. American kids’ sleeping habits. B. Teenagers’ sleep-related diseases.
C. Activities to prevent sleeplessness. D. Learning problems and lack of sleep.
26.How many hours of sleep do 11-year-olds need every day?
A.7 hours. B.8 hours. C.10 hours. D.18 hours.
27.Why do teenagers go to sleep late according to Carskadon?
A. They are affected by certain body chemicals.
B. They tend to do things that excite them.
C. They follow their parents’ examples.
D. They don’t need to go to school early.
【文章大意】本文属于说明，首先用数据告诉我们美国孩子的睡眠状况堪忧，接着告诉我们孩子在不同年龄段需要的睡眠时间不同，然后分析了孩子晚睡的原因，最后介绍了一些学校为了让孩子们有更多的睡眠时间而推迟了上课的时间。
25. A【解析】细节理解题。文中第一段列举了一些数据，向我们说明美国有51%的10到18岁的孩子上床睡觉的时间偏晚，也调查了60%的7到12岁的孩子在白天感到疲惫，15%的孩子会在学校睡着，所以这些调查都是关于美国孩子的睡眠习惯的，故选A。
26. C【解析】细节理解题。根据第二段＂For most school-age children, ten hours is ideal＂可知11岁正在上学的小孩子的理想睡眠时间是10个小时，故选C。
27. B【解析】细节理解题。根据第三段＂She says these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep＂可知她认为孩子们睡觉晚的原因是他们会在睡前做一些让他们兴奋的活动，故选B。