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这是一份统考版2022届高考英语一轮复习必修2Unit4Cyberspace课时提能练含解析北师大版20210218218学案，共14页。学案主要包含了语篇解读等内容，欢迎下载使用。
Ⅰ.阅读理解
A
(2020·安徽省部分重点学校联考)Remember Vitaminwater's “ free f rlling screens fr a year” challenge that peple t be free frm smart phnes fr a whle year will win $100,000? Well，Elana Mugdan，a New Yrk wman，has been int it fr eight mnths，and just fur mnths away frm claiming the grand prize.
Vitaminwater made news headlines last December when it annunced its unique challenge.Thusands f peple applied t be chsen as the perfect candidate t spend a year withut tuching their smart phnes，but in the end，the nly persn wh gt t try and survived fr an entire year withut a handheld smart phne was Elana Mugdan，a 29yearld fictin writer frm Queens，New Yrk.Eight mnths int the challenge，she claims it has been a free and eyepening experience that shws her just hw dependent she becmes n her smart phne.Even thugh there are times when she misses her handheld smart phne，she plans t g n living withut it even after the challenge ends，because she really desn't want t g back t days when she verused it，wasted time，stayed up all hurs f the night n it，and was bsessed_with scial media.
But nt having access t her smart phne really made certain situatins a lt harder than she culd have imagined them befre.“Many peple did me a favr. Hwever，nce，I almst get stranded (被滞留的) in the SeaTac Airprt because the phne number I'd written dwn was wrng，and I had n way f referring t the right ne，n way f calling a cab，and n ne in the state wh culd help me，” the yung writer said.
Anther time，her car's “ check engine” light turned n while she was driving in an unfamiliar area at night.She culdn't use her phne's GPS，r even check what the light meant nline r find a nearby car repair shp.But she learned t vercme these situatins.And nw she claims the last eight mnths f phnefree life have been ne f the best adventures f her life and that she'll keep it fr anther fur mnths.
【语篇解读】 文章讲述了Elana Mugdan在参加Vitaminwater发起的一年不用手机的挑战过程中，所遇到的困难及其感受。
1．What's the challenge “free f rlling screens fr a year”？
A．Peple free frm smart phnes can live a richer life.
B．Peple living a telephnefree life can be awarded mney every year.
C．Peple living withut cmputers fr a year will win a grand prize.
D．Peple spending a year free frm smart phnes will get a reward.
D [细节理解题。根据第一段第一句中的“challenge that peple t be free frm smart phnes fr a whle year will win $100,000”可知，这个挑战要求参加者一年内不使用手机，参加者完成挑战后可以获得奖金。故选D。]
2．Which phrase can replace the underlined part “bsessed with” in Paragraph 2?
A．satisfied withB．accustmed t
C．addicted t D．ppular with
C [词义猜测题。根据第二段画线词所在句中的“she really desn't want t g back t days when she verused it，wasted time，stayed up all hurs f the night n it”可知，Elana Mugdan曾经过度使用手机，浪费了时间，并且还熬夜玩手机。此处与上文内容相衔接，由此可以推测出，此处表示她当时对社交媒体非常迷恋，即上瘾。故选C。]
3．What des Elana Mugdan mainly want t express in Paragraph 3?
A．It's fantastic t have smene t help her all the way.
B．It's unimaginable t lse her phne number n the way.
C．It's unnecessary t refer t infrmatin with a smart phne.
D．It's difficult t get ut f the truble withut a smart phne.
D [推理判断题。根据第三段第一句“But nt having access t her smart phne really made certain situatins a lt harder than she culd have imagined them befre”以及本段所列举的事例可知，Elana Mugdan在第三段想告诉我们，没有手机很难摆脱困境。故选D。]
4．What can we learn abut Elana Mugdan?
A．She culdn't live withut a smart phne.
B．She finds n ne can help her in the adventure.
C．She has nt wn the grand $100,000 prize yet.
D．She used t use her smart phne t write fictin.
C [细节理解题。根据第四段最后一句中的“she'll keep it fr anther fur mnths”可知，Elana Mugdan还要继续四个月的挑战，由此可知她还没有获得奖金。故选C。]
B
(2020·东北三校第一次联合模拟)Clthing rental is a ht new industry and retailers (零售商) are demanding t get n bard in the hpe f attracting green shppers.
But is renting fashin actually mre envirnmentally friendly than buying it，and if s，hw much mre? Jurnalist and authr Elizabeth Cline investigated this questin and cncluded that it's nt as sustainable as it seems.
Take shipping，fr example，which has t g tw ways if an item is rented—receiving and returning.Cline writes that cnsumer transprtatin has the secnd largest carbn ftprint f ur cllective fashin habit after manufacturing.
She writes，“An item rdered nline and then returned can release 20 kilgrams f carbn each way，and increases up t 50 kilgrams fr rush shipping. By cmparisn，the carbn impact f a pair f jeans purchased frm a physical stre and washed and wrn at hme is 33.4 kilgrams，accrding t a 2015 study by Levi's.”
Then there's the burden f washing，which has t happen fr every item when it's returned，regardless f whether r nt it was wrn.Fr mst rental services，this usually means drycleaning，a highimpact and plluting prcess.All the rental services that Cline lked int have replaced perchlrethylene (全氯乙烯)，a carcingenic (致癌的) air pllutant，still used by 70 percent f US dry cleaners，with alternatives，althugh these aren't great either.
Lastly，Cline fears that rental services will increase ur appetite fr fast fashin，simply because it's s easily accessible.There's smething called “sharewashing” that makes peple waste mre precisely because a prduct r service is shared and thus is regarded as mre ecfriendly.Uber is ne example f this，advertised as “a way t share rides and limit car wnership”，and yet “it has been prven t discurage walking，bicycling，and public transprtatin use”．
Renting clthes is still preferable t buying them cheap and thrwing them in the dustbin after wearing few times，but we shuldn't let the availability f these services make us t satisfied.There's an even better step —that's wearing what is already in the clset.
【语篇解读】 服装租赁是新兴的热门行业，零售商希望以此吸引环保消费者。可是，该行业并不像它看起来的那样绿色环保。它包含的运输环节要比在实体店里买一件衣服然后在家里洗和穿释放的碳多；清洗环节也会污染环境；而且它可能会使我们更追求快时尚从而浪费得更多。最环保的做法是穿衣橱里本来就有的衣服。
5．What is Elizabeth Cline's attitude tward clthing rental?
A．Apprving. B．Unfavrable.
C．Objective. D．Enthusiastic.
B [推理判断题。根据第二段第二句可知，Cline得出的结论是，这个行业并不像它看起来的那样环保；并结合第三至第六段表述的Cline得出这种结论的原因可推知，Cline并不支持服装租赁，B项意为“不赞成的，否定的，不喜欢的”，故B项正确。C项意为“客观的”，与文意不符。]
6．The Uber example in Paragraph 6 indicates that ________.
A．rental services are n the rise
B．clthing rental will be as successful as Uber
C．renting clthes might waste mre than expected
D．renting clthes might make peple lse interest in fast fashin
C [推理判断题。根据第六段第二句可知，因为一种产品或服务是共享的，因此就被认为更环保，但这却使人们浪费得更多。接着下文列举了Uber的例子——它被宣传为一种共享出行并限制汽车拥有权的方式，但是最终证明它阻碍了步行、骑自行车和公共交通的使用，由此可推知，举Uber这个例子表明了服装租赁造成的浪费可能比我们想象的多，故C项正确。]
7．The authr suggests that we shuld ________.
A．give up renting clthes
B．purchase inexpensive clthes
C．rent clthes rather than buy them
D．make full use f clthes we've pssessed
D [细节理解题。根据尾段尾句“There's an even better step—that's wearing what is already in the clset”可知，作者认为更绿色环保的方法是穿衣橱里已经有的衣服，故D项正确。]
8．What is the passage mainly abut?
A．Clthing rental is a new fashin.
B．Clthing rental is retailers' preference.
C．Renting clthes is nt that ecfriendly.
D．Rentingclthes business is in a dilemma.
C [主旨大意题。通读全文可知，本文第一段引入话题；第二段提出论点——服装租赁业其实并非像它看起来的那样绿色环保；接着第三至第六段给出了论据来支持这一论点；最后一段作者进行总结并给出建议。由此可知，C项符合文意。]
Ⅱ.完形填空
(2020·广州市高三年级阶段训练)Thrughut my life，I was never very athletic.I wasn't really int__1___r sprts.The nly__2___I enjyed were __3___ things like watching TV and playing cmputer games.It was during my junir year in high schl that I realized I needed a__4__.My friends were jining the lngdistance running club and__5___me t d it t.At my schl，there were n qualificatin __6__；every student was accepted.
As everyne gathered tgether n the first day f practice，the__7___ annunced that it was time fr a “warmup”．I imagined the warmup wuld be a __8__ jg arund the 400metre track.I sn __9___it was a 1km run.After cmpleting the run，I was __10__！ I wndered，“ If that's a warmup，what's next？” The__11___wrkut fr the day was a 5km run，which I mstly walked.When I came hme，I really cnsidered__12__.Hwever，I __13__ myself t keep at it and try harder.
Of curse，there was n real imprvement __14__.I always came last during practice and the first few__15__.As days and weeks went n，I really tried my best.During practice，I wuld always keep at the __16__ f the grup；the fastest，mre__17___runners were always ahead，while the laziest were behind.As a result f my__18__，the warmup became a real warmup.The 5km runs was transfrmed int an__19__wrkut.And I was n lnger the last in anything we did.Fr a frmer cuch ptat，like me，this was a(n)__20__.
【语篇解读】 在“我”的生活中，“我”从来都不是很擅长运动，“我”喜欢做无意义的事；但在高三时，“我”意识到“我”需要做出改变；“我”的朋友邀请“我”参加五千米长跑俱乐部，在俱乐部第一次训练后，“我”想过放弃，但“我”说服了自己继续训练并最终成功地坚持了下来。
1．A.rules B．art
C．cmpetitins D．schlwrk
C [根据上文中的“I was never very athletic”可知，“我”对竞赛或运动不是很感兴趣。故选C。]
2．A.prcedures B．activities
C．lessns D．prgrams
B [根据第一句中的“I was never very athletic”及该句中的“watching TV and playing cmputer games”可知，“我”仅仅喜欢的活动都是无意义的(pintless)，比如看电视和玩电脑游戏。故选B。]
3．A.endlessB．pintless
C．imprtant D．challenging
B [参见上题解析。A项意为“无止境的”，C项意为“重要的”，D项意为“挑战性的”，均与语境不符。]
4．A.changeB．rest
C．team D．result
A [根据下文中的“jining the lngdistance running club”以及“t d it t”并结合语境可知，“我”在高三的时候，意识到自己需要做出改变。故选A。]
5．A.accmpanied B．assisted
C．required D．invited
D [根据该句中的“My friends were jining the lngdistance running club”和“t d it t”可推知，“我”的朋友邀请“我”也参加。]
6．A.trials B．alternatives
C．pprtunities D．reasns
A [根据空后的“every student was accepted”可知，在我们学校，没有资格选拔赛(trials)。]
7．A.cmpetitr B．cach
C．reprter D．referee
B [根据该句中的“the first day f practice”并结合常识可知，此处应是俱乐部的教练在指导学生进行长跑前的热身练习。故选B。]
8．A.hard B．bring
C．practicalD．casual
D [根据该句中的“the warmup”以及语境可知，当教练宣布要进行热身练习时，“我”以为是绕着400米的跑道随便慢跑而已。故选D。]
9．A.decided B．suspected
C．realizedD．agreed
C [根据上题的解析及该句中的“it was a 1km run”可知，“我”很快意识到热身练习是一千米的长跑。故选C。suspect意为“觉得”，不符合语境。]
10．A.sent ff B．taken away
C．turned dwn D．wrn ut
D [根据下文中的“If that's a warmup，what's next？”可知，“我”跑完一千米之后，已经精疲力竭了。D项意为“精疲力竭，疲惫不堪”，故选D。send sb.ff意为“罚某人下场”；take sb.away意为“带走某人”。]
11．A.real B．best
C．expected D．fun
A [根据上文中的“If that's a warmup，what's next？”并结合语境可知，那一天真正的训练是五千米长跑。故选A。]
12．A.cmplainingB．quitting
C．crying D．refreshing
B [根据上文的内容可知，当回到家的时候，“我”真的考虑过退出长跑俱乐部。故选B。]
13．A.cnvinced B．taught
C．sent D．helped
A [根据该句中的“keep at it and try harder”可知，“我”说服了自己要坚持，并且将更加努力。cnvince意为“说服”，故选A。]
14．A.actuallyB．gradually
C．separately D．instantly
D [根据空后的“I always came last during practice”可知，真正的进步不是马上就有的，故选D。A项意为“实际上”；B项意为“逐渐地”；C项意为“分别地”；D项意为“立即，马上”。]
15．A.perfrmances B．presentatins
C．races D．steps
C [根据文章内容可知，“我”加入的是长跑俱乐部，因此这里表示的是“我”在训练中以及最初的一些跑步比赛中，总是最后一名，故选C。]
16．A.middleB．tp
C．frnt D．bttm
A [根据该句中的“the fastest，mre ________ runners were always ahead，while the laziest were behind”可知，在训练中，“我”总是处于小组的中间位置，那些跑得最快、更加认真的(serius)学生总是在“我”的前面，而那些最懒惰的则在“我”后面。故选A。]
17．A.ppularB．cnfident
C．serius D．relaxed
C [参见上题解析。]
18．A.inspiratin B．determinatin
C．lyaltyD．cntributin
B [根据第13及16小题的解析和语境可知，“我”没有退出长跑俱乐部，而是说服自己要坚持，并且在尽自己的最大努力之后，“我”也在慢慢进步，并且由于“我”的决心，进行五千米长跑前的热身练习成了真正的热身练习，而且每天的五千米跑也变成一次容易的训练。故选B。A项意为“灵感”；B项意为“决心”；C项意为“忠诚”；D项意为“贡献”。]
19．A.unimaginable B．avidable
C．easy D．ptinal
C [参见上题解析。unimaginable“难以置信的”；avidable“可以避免的”。]
20．A.exceptin B．example
C．prmtinD．success
D [根据前一句中的“I was n lnger the last in anything we did”以及上文的内容可知，“我”之前是不爱运动的，但自加入长跑俱乐部以来，经过“我”的努力，“我”在任何跑步活动中都不是最后一名了，这对“我”来说，就是一件成功的事情。故选D。A项意为“例外”；B项意为“例子”；C项意为“提升”；D项意为“成功的事”。]
课时提能练(八)
必修2 Unit 4 Cyberspace(B)
Ⅰ.阅读理解
A
(2020·资阳联考)
Buckingham Palace
It is the fficial residence f Queen Elizabeth Ⅱ in Lndn.The architectural cre f Buckingham Palace is the frmer Buckingham Huse，built in 1703.Yu can visit the state rms frm August t Octber when the Queen is n hliday.It is ne f the wrld's mst familiar buildings.It has 775 rms.During the summer the famus Changing f the Guards takes place at the frnt f the palace at 11：30 and is a ppular event fr visitrs t the capital.
Big Ben and Westminster Palace
It is ne f Lndn's bestknwn landmarks.Big Ben is the name f the clck inside the Clck Twer.It lies at the nrtheastern end f the Huses f Parliament.Westminster Palace is ne f the largest parliaments in the wrld.It was built between 1840 and 1880.
The Twer f Lndn
The Twer f Lndn is a histrical mnument in Central Lndn n the nrth bank f the river Thames.It was funded by William the Cnquerr.It was a palace and a prisn (fr Queen Elizabeth Ⅰ fr example)．There yu can see strange guards called “the Beefeaters”．Since the beginning f the 14th century，the Twer f Lndn has been the hme f the wrld famus British Crwn Jewels—they are a must f yur visit!
Trafalgar Square
It was named in 1835 t give hnur t the memry f the British victry ver the French at Trafalgar in 1805.There is a huge statue f Admiral Nelsn (the British her killed during the battle) in the middle f the square.It is a ppular turist attractin with the fur lin statues.
【语篇解读】 本文是一篇应用文。介绍了英国伦敦的几处地标性建筑：白金汉宫、大本钟和国会大厦、伦敦塔及特拉法加广场。
1．Which has the secnd lngest histry?
A．Trafalgar Square.
B．The Twer f Lndn.
C．Westminster Palace.
D．Buckingham Huse.
D [细节理解题。根据Buckingham Palace部分的“built in 1703”； Big Ben and Westminster Palace部分的“It was built between 1840 and 1880.”； The Twer f Lndn部分的“It was funded by William the Cnquerr.”(“征服者威廉”1066—1087年在任)；Trafalgar Square部分的“It was named in 1835”可知，白金汉宫存在的历史悠久仅次于伦敦塔。故D项正确。]
2．What is The Twer f Lndn nted fr in the wrld?
A．Its strange guards.
B．Its British Crwn Jewels.
C．Its funder.
D．Its gegraphical site.
B [细节理解题。根据The Twer f Lndn部分的“Since the beginning f the 14th century，the Twer f Lndn has been the hme f the wrld famus British Crwn Jewels—they are a must f yur visit！”可知，从十四世纪起伦敦塔就成为举世闻名的英国国王的王冠、王室珍藏珍宝的收藏地。故B项正确。]
3．Why was Trafalgar Square built?
A．Because a battle happened here.
B．Because it culd be gd fr turism.
C．Because admiral Nelsn was brn here.
D．Because fur lin statues had been built.
A [细节理解题。根据Trafalgar Square部分的“It was named in 1835 t give hnur t the memry f the British victry ver the French at Trafalgar in 1805.”可知，特拉法加广场是为了纪念英国在1805年的特拉法加大海战中战胜法国而建的。故A项正确。]
B
(2020·郑州市第一次质量预测)Smething strange has been happening t me lately: Wmen in the street have been telling me I'm brave.
My act f curage isn't much—I just stpped clring my hair.I had brwn hair that started ging gray when I was 30.S，like a lt f wmen，I started dyeing (染) it.It was expensive and timecnsuming.And my hair grws fast，s I needed t g back t the hair saln(美发厅) every 5 weeks.
Many peple seem t enjy hlding nt their yuth fr as lng as pssible，giving thers the impressin that they dn't have much wisdm r many accmplishments.But ur hair starts t turn gray and suddenly we start spending $500 r mre a year t cver smething ur male clleagues dn't need t cver.
Of curse，peple shuld d what they want t d with their wn bdy—my mther is 91 and still has “blnde” hair，and why nt? I just wish mre f us wuld feel that it is OK t be urselves，because ging gray has dne mre fr me than saving me time and mney.
I like my natural hair，just as it is.I like hw it has gt curly again.It is recvering after years f being damaged by chemicals.I als like that it has given me sme needed attitude in a sciety that makes yuth seem s imprtant，while being against maturity.It reminds me that I'm nt a kid anymre and this isn't a bad thing.Nt being a kid anymre means I read the bks I want，and nt the bks I feel I shuld read.It means nt wasting my time at events I dn't need t attend when I'd rather be with my family and friends.
When I see my hair in the mirrr，it's a reminder that my time is limited，and I shuld spend it ding what matters.There's nthing shameful abut grwing lder. And pretending it's nt happening is a way f giving up ur pwer.
I see my gray hair as a little act f rebellin(反叛) against the idea that peple lse value as they age，instead f gaining it.I see gray hair as my “flag” and I'm letting it fly prudly.
【语篇解读】 文章开头作者叙述了自己虽然头发变白但不再染发，从而受到别人的好评的经历，接着表达了自己对变老的看法。作者认为染发浪费金钱和时间，追求自然、重视因年龄增长而带来的智慧才是重要的。
4．Hw des the authr feel abut clring hair?
A．It shws peple's great curage.
B．It is a gd way t hld nt yuth.
C．It shws wisdm and accmplishments.
D．It csts much mney and it takes much time t d that.
D [细节理解题。根据第二段，尤其是该段中的“It was expensive and timecnsuming”可知，作者认为染发花费很多金钱且费时。]
5．What shuld we d when we grw ld accrding t the authr?
A．Give up ur pwer.
B．Pretend t be still yung.
C．Accept it and act psitively.
D．Read as many bks as pssible.
C [推理判断题。根据第四段，尤其是最后一句“I just wish mre f us wuld feel that it is OK t be urselves, because ging gray has dne mre fr me than saving me time and mney”和第六段中的“I shuld spend it ding what matters”以及第七段的最后一句可推知，根据作者的观点，当我们变老时我们应该接受它并采取积极的行动。]
6．What is the authr's main purpse in writing this passage?
A．T explain why yuth is valued.
B．T share her pinin n grwing lder.
C．T stress the imprtance f different attitudes.
D．T analyze the advantages and disadvantages f aging.
B [写作意图题。本文作者首先叙述自己虽然头发变白但不再染发，从而受到别人的好评的经历，然后表达自己对变老的看法——染发浪费金钱和时间，追求自然、重视因年龄增长而带来的智慧才是重要的。由此可推知，作者写本文的目的是分享她对变老的看法。]
7．Which can be the best title fr the passage?
A．Hlding nt Yuth
B．Dyeing Yur Hair
C．Gaining Value with Age
D．Valuing Wisdm f Age
D [标题归纳题。根据全文的内容，尤其是最后一段第一句“I see my gray hair as a little act f rebellin(反叛)against the idea that peple lse value as they age，instead f gaining it”可知，D项“重视因年龄增长而带来的智慧”最适合作文章标题。]
Ⅱ.阅读七选五
(2020·贵阳市四校联考)D yu cnstantly use the cmputer，whether fr learning r entertainment? Cmputers give ff radiatin that is bad fr yur health，but here are sme ways t prtect yurself frm the radiatin.__1___ Green tea can be absrbed by the bdy easily int a frm f vitamin A，which helps reduce radiatin.__2__
It is advisable t attach a radiatin filter plate (辐射过滤板) in frnt f yur cmputer screen.Be sure t avid putting any metal substances near yur cmputer as these may reflect sme f the electrmagnetic waves that are harmful t yur health.__3__The brighter the screen is，the higher the radiatin will be.
Yu can als put sme radiatinabsrbing plants such as several cacti (仙人掌) near yur cmputer t prevent radiatin.
Make sure yu take measures t prtect yur skin befre sitting in frnt f the cmputer.__4__What's mre，wash yur face sn after using the cmputer in rder t reduce 70% f the radiatin.
__5__An ld cmputer in general has ne t tw times mre radiatin released than the new ne within the same distance.
A．And adjust the brightness f yur cmputer screen.
B．It als helps ur eyes see things clearly in the dark by imprving the visual ability.
C．And adjust the sund level n yur cmputer.
D．The mst efficient way is by drinking sme cffee regularly.
E．If pssible，purchase a new cmputer instead f using an ld cmputer.
F．The simplest way is by drinking tw r three cups f green tea every day.
G．Fr example，apply a face mask t prtect yurself.
【语篇解读】 本文主要介绍了减少电脑辐射的方法，包括每天喝绿茶、调整电脑屏幕的亮度、做好皮肤护理、在电脑附近放吸收辐射的植物以及尽可能使用新电脑。
1．F [根据空后一句“Green tea can be absrbed by the bdy easily int a frm f vitamin A，which helps reduce radiatin”可知，绿茶被人体吸收后容易转化为维生素A，有助于减少辐射；据此可推知，空处应是介绍关于减少电脑辐射的建议之一：喝绿茶，故F项正确。]
2．B [由空前一句可知，绿茶被人体吸收后容易转化为维生素A，有助于减少辐射；并结合语境可推知，空处应是介绍绿茶的其他好处，故B项与此处匹配。]
3．A [根据空后一句“The brighter the screen is，the higher the radiatin will be”可知，电脑屏幕越亮则辐射越强；据此可推知，空处应是建议调整电脑屏幕亮度，故A项正确。]
4．G [根据空前一句“Make sure yu take measures t prtect yur skin befre sitting in frnt f the cmputer”可知，要确保坐在电脑之前已采取措施保护你的皮肤；据此可知，空处应是介绍具体的措施，故G项与此处匹配。]
5．E [根据空后一句“An ld cmputer in general has ne t tw times mre radiatin released than the new ne within the same distance”可知，通常来说，在相同的距离内，旧电脑的辐射量是新电脑的一至两倍；据此可推知，该段应是建议尽可能使用新电脑，故E项正确。]
Ⅲ.语法填空
(2020·南昌市高三摸底测试卷)Many athletes have been tld that smiling while 1.________ (sweat) will make their effrts feel easier.A marathn runner smiled widely thrugh the final miles f his fastestever marathn；afterward，he said what he had hped 2.________ (be) that the smiling wuld relax him t the finish line.But there has been little slid scientific evidence t supprt this idea.In recent years several studies 3.________ (examine) whether deliberately smiling can make changes t hw peple feel psychlgically during few have lked at the physical effect 5.________ sprts perfrmance.
Researchers decided 6.________ (gather) a grup f experienced recreatinal runners and have them alternately smile bradly as they ran.Many f the runners fund it difficult t smile thrughut the whle sessin，thugh.Their smiles became 7.________ (increase) fixed and unnatural.Such false smiles make 8.________ (few) facial muscles (肌肉) start wrking than the sincere versin and mst likely result in less 9.________ (relax) and perfrmance imprvement.S the key t using a happy smile t make yu 10.________ better runner may be t smile sincerely and ften near a race's end，but in 30secnd bursts，rather than cnstantly.
【语篇解读】 文章主要介绍了运动时微笑的作用以及如何微笑效果更好。
1．sweating [考查动名词。分析句子结构并结合语境可知，空处与smiling为同时发生的动作，表示出着汗微笑着，故填sweating。]
2．was [考查主谓一致和时态。分析句子结构可知，空处作谓语，其主语为“what he had hped”，故谓语动词应用单数形式；且根据该句中的“said”可知，此处应用一般过去时，故填was。]
3．have examined [考查动词的时态。根据句中的时间状语In recent years可知，应该用现在完成时，且主语“several studies”为复数，故填have examined。]
4．But [考查连词。根据空后的“few”可知，此处和前一句构成转折关系，故填But。]
5．n [考查介词。此处考查固定搭配effect n sth.“对……的影响”。]
6．t gather [考查动词不定式。此处考查固定用法decide t d sth.“决定做某事”，所以用t gather。]
7．increasingly [考查副词。副词修饰形容词，故用副词increasingly修饰其后的“fixed and unnatural”。]
8．fewer [考查比较级。根据该句中的“than”可知，此处表示比较的含义，故用比较级fewer。]
9．relaxatin [考查词形转换。由该空后的“and”可知，空处与名词词组perfrmance imprvement并列，故填名词relaxatin。]
10．a [考查冠词。此处表示使你成为一个更好的赛跑运动员，且better的发音以辅音音素开头，故填a。]
Ⅳ.短文改错
(2020·太原市阶段性测评)I was a sweet and lving girl during I was very yung.Unfrtunate，things changed.It all started when I was given smartphne in the eighth grade by a gd friend.I became fnd f watching mvies，chat nline and playing addictive games.Naturally，I culdn't make prgresses in my study any mre.What's wrse，I spent fewer time in cmmunicating with my parents.Thus，all f them were wrried abut what had been happened and turned t my head teacher fr help.With their help，I realized what serius the things were and decided t change myself.Nw I am grateful t them and became a gd girl.
[答案]
I was a sweet and lving girl eq \f(during,when) I was very yung.eq \f(Unfrtunate,Unfrtunately)，things changed.It all started when I was given eq \(\s\up7(∧),\s\d5(a)) smartphne in the eighth grade by a gd friend.I became fnd f watching mvies，eq \f(chat,chatting) nline and playing addictive games.Naturally，I culdn't make eq \f(prgresses,prgress) in my study any mre.What's wrse，I spent eq \f(fewer,less) time in cmmunicating with my parents.Thus，eq \f(all,bth) f them were wrried abut what had eq \(been,＼) happened and turned t my head teacher fr help.With their help，I realized eq \f(what,hw) serius the things were and decided t change myself.Nw I am grateful t them and eq \f(became,becme) a gd girl.
Ⅰ.阅读理解
A
(2020·安徽省部分重点学校联考)Remember Vitaminwater's “ free f rlling screens fr a year” challenge that peple t be free frm smart phnes fr a whle year will win $100,000? Well，Elana Mugdan，a New Yrk wman，has been int it fr eight mnths，and just fur mnths away frm claiming the grand prize.
Vitaminwater made news headlines last December when it annunced its unique challenge.Thusands f peple applied t be chsen as the perfect candidate t spend a year withut tuching their smart phnes，but in the end，the nly persn wh gt t try and survived fr an entire year withut a handheld smart phne was Elana Mugdan，a 29yearld fictin writer frm Queens，New Yrk.Eight mnths int the challenge，she claims it has been a free and eyepening experience that shws her just hw dependent she becmes n her smart phne.Even thugh there are times when she misses her handheld smart phne，she plans t g n living withut it even after the challenge ends，because she really desn't want t g back t days when she verused it，wasted time，stayed up all hurs f the night n it，and was bsessed_with scial media.
But nt having access t her smart phne really made certain situatins a lt harder than she culd have imagined them befre.“Many peple did me a favr. Hwever，nce，I almst get stranded (被滞留的) in the SeaTac Airprt because the phne number I'd written dwn was wrng，and I had n way f referring t the right ne，n way f calling a cab，and n ne in the state wh culd help me，” the yung writer said.
Anther time，her car's “ check engine” light turned n while she was driving in an unfamiliar area at night.She culdn't use her phne's GPS，r even check what the light meant nline r find a nearby car repair shp.But she learned t vercme these situatins.And nw she claims the last eight mnths f phnefree life have been ne f the best adventures f her life and that she'll keep it fr anther fur mnths.
【语篇解读】 文章讲述了Elana Mugdan在参加Vitaminwater发起的一年不用手机的挑战过程中，所遇到的困难及其感受。
1．What's the challenge “free f rlling screens fr a year”？
A．Peple free frm smart phnes can live a richer life.
B．Peple living a telephnefree life can be awarded mney every year.
C．Peple living withut cmputers fr a year will win a grand prize.
D．Peple spending a year free frm smart phnes will get a reward.
D [细节理解题。根据第一段第一句中的“challenge that peple t be free frm smart phnes fr a whle year will win $100,000”可知，这个挑战要求参加者一年内不使用手机，参加者完成挑战后可以获得奖金。故选D。]
2．Which phrase can replace the underlined part “bsessed with” in Paragraph 2?
A．satisfied withB．accustmed t
C．addicted t D．ppular with
C [词义猜测题。根据第二段画线词所在句中的“she really desn't want t g back t days when she verused it，wasted time，stayed up all hurs f the night n it”可知，Elana Mugdan曾经过度使用手机，浪费了时间，并且还熬夜玩手机。此处与上文内容相衔接，由此可以推测出，此处表示她当时对社交媒体非常迷恋，即上瘾。故选C。]
3．What des Elana Mugdan mainly want t express in Paragraph 3?
A．It's fantastic t have smene t help her all the way.
B．It's unimaginable t lse her phne number n the way.
C．It's unnecessary t refer t infrmatin with a smart phne.
D．It's difficult t get ut f the truble withut a smart phne.
D [推理判断题。根据第三段第一句“But nt having access t her smart phne really made certain situatins a lt harder than she culd have imagined them befre”以及本段所列举的事例可知，Elana Mugdan在第三段想告诉我们，没有手机很难摆脱困境。故选D。]
4．What can we learn abut Elana Mugdan?
A．She culdn't live withut a smart phne.
B．She finds n ne can help her in the adventure.
C．She has nt wn the grand $100,000 prize yet.
D．She used t use her smart phne t write fictin.
C [细节理解题。根据第四段最后一句中的“she'll keep it fr anther fur mnths”可知，Elana Mugdan还要继续四个月的挑战，由此可知她还没有获得奖金。故选C。]
B
(2020·东北三校第一次联合模拟)Clthing rental is a ht new industry and retailers (零售商) are demanding t get n bard in the hpe f attracting green shppers.
But is renting fashin actually mre envirnmentally friendly than buying it，and if s，hw much mre? Jurnalist and authr Elizabeth Cline investigated this questin and cncluded that it's nt as sustainable as it seems.
Take shipping，fr example，which has t g tw ways if an item is rented—receiving and returning.Cline writes that cnsumer transprtatin has the secnd largest carbn ftprint f ur cllective fashin habit after manufacturing.
She writes，“An item rdered nline and then returned can release 20 kilgrams f carbn each way，and increases up t 50 kilgrams fr rush shipping. By cmparisn，the carbn impact f a pair f jeans purchased frm a physical stre and washed and wrn at hme is 33.4 kilgrams，accrding t a 2015 study by Levi's.”
Then there's the burden f washing，which has t happen fr every item when it's returned，regardless f whether r nt it was wrn.Fr mst rental services，this usually means drycleaning，a highimpact and plluting prcess.All the rental services that Cline lked int have replaced perchlrethylene (全氯乙烯)，a carcingenic (致癌的) air pllutant，still used by 70 percent f US dry cleaners，with alternatives，althugh these aren't great either.
Lastly，Cline fears that rental services will increase ur appetite fr fast fashin，simply because it's s easily accessible.There's smething called “sharewashing” that makes peple waste mre precisely because a prduct r service is shared and thus is regarded as mre ecfriendly.Uber is ne example f this，advertised as “a way t share rides and limit car wnership”，and yet “it has been prven t discurage walking，bicycling，and public transprtatin use”．
Renting clthes is still preferable t buying them cheap and thrwing them in the dustbin after wearing few times，but we shuldn't let the availability f these services make us t satisfied.There's an even better step —that's wearing what is already in the clset.
【语篇解读】 服装租赁是新兴的热门行业，零售商希望以此吸引环保消费者。可是，该行业并不像它看起来的那样绿色环保。它包含的运输环节要比在实体店里买一件衣服然后在家里洗和穿释放的碳多；清洗环节也会污染环境；而且它可能会使我们更追求快时尚从而浪费得更多。最环保的做法是穿衣橱里本来就有的衣服。
5．What is Elizabeth Cline's attitude tward clthing rental?
A．Apprving. B．Unfavrable.
C．Objective. D．Enthusiastic.
B [推理判断题。根据第二段第二句可知，Cline得出的结论是，这个行业并不像它看起来的那样环保；并结合第三至第六段表述的Cline得出这种结论的原因可推知，Cline并不支持服装租赁，B项意为“不赞成的，否定的，不喜欢的”，故B项正确。C项意为“客观的”，与文意不符。]
6．The Uber example in Paragraph 6 indicates that ________.
A．rental services are n the rise
B．clthing rental will be as successful as Uber
C．renting clthes might waste mre than expected
D．renting clthes might make peple lse interest in fast fashin
C [推理判断题。根据第六段第二句可知，因为一种产品或服务是共享的，因此就被认为更环保，但这却使人们浪费得更多。接着下文列举了Uber的例子——它被宣传为一种共享出行并限制汽车拥有权的方式，但是最终证明它阻碍了步行、骑自行车和公共交通的使用，由此可推知，举Uber这个例子表明了服装租赁造成的浪费可能比我们想象的多，故C项正确。]
7．The authr suggests that we shuld ________.
A．give up renting clthes
B．purchase inexpensive clthes
C．rent clthes rather than buy them
D．make full use f clthes we've pssessed
D [细节理解题。根据尾段尾句“There's an even better step—that's wearing what is already in the clset”可知，作者认为更绿色环保的方法是穿衣橱里已经有的衣服，故D项正确。]
8．What is the passage mainly abut?
A．Clthing rental is a new fashin.
B．Clthing rental is retailers' preference.
C．Renting clthes is nt that ecfriendly.
D．Rentingclthes business is in a dilemma.
C [主旨大意题。通读全文可知，本文第一段引入话题；第二段提出论点——服装租赁业其实并非像它看起来的那样绿色环保；接着第三至第六段给出了论据来支持这一论点；最后一段作者进行总结并给出建议。由此可知，C项符合文意。]
Ⅱ.完形填空
(2020·广州市高三年级阶段训练)Thrughut my life，I was never very athletic.I wasn't really int__1___r sprts.The nly__2___I enjyed were __3___ things like watching TV and playing cmputer games.It was during my junir year in high schl that I realized I needed a__4__.My friends were jining the lngdistance running club and__5___me t d it t.At my schl，there were n qualificatin __6__；every student was accepted.
As everyne gathered tgether n the first day f practice，the__7___ annunced that it was time fr a “warmup”．I imagined the warmup wuld be a __8__ jg arund the 400metre track.I sn __9___it was a 1km run.After cmpleting the run，I was __10__！ I wndered，“ If that's a warmup，what's next？” The__11___wrkut fr the day was a 5km run，which I mstly walked.When I came hme，I really cnsidered__12__.Hwever，I __13__ myself t keep at it and try harder.
Of curse，there was n real imprvement __14__.I always came last during practice and the first few__15__.As days and weeks went n，I really tried my best.During practice，I wuld always keep at the __16__ f the grup；the fastest，mre__17___runners were always ahead，while the laziest were behind.As a result f my__18__，the warmup became a real warmup.The 5km runs was transfrmed int an__19__wrkut.And I was n lnger the last in anything we did.Fr a frmer cuch ptat，like me，this was a(n)__20__.
【语篇解读】 在“我”的生活中，“我”从来都不是很擅长运动，“我”喜欢做无意义的事；但在高三时，“我”意识到“我”需要做出改变；“我”的朋友邀请“我”参加五千米长跑俱乐部，在俱乐部第一次训练后，“我”想过放弃，但“我”说服了自己继续训练并最终成功地坚持了下来。
1．A.rules B．art
C．cmpetitins D．schlwrk
C [根据上文中的“I was never very athletic”可知，“我”对竞赛或运动不是很感兴趣。故选C。]
2．A.prcedures B．activities
C．lessns D．prgrams
B [根据第一句中的“I was never very athletic”及该句中的“watching TV and playing cmputer games”可知，“我”仅仅喜欢的活动都是无意义的(pintless)，比如看电视和玩电脑游戏。故选B。]
3．A.endlessB．pintless
C．imprtant D．challenging
B [参见上题解析。A项意为“无止境的”，C项意为“重要的”，D项意为“挑战性的”，均与语境不符。]
4．A.changeB．rest
C．team D．result
A [根据下文中的“jining the lngdistance running club”以及“t d it t”并结合语境可知，“我”在高三的时候，意识到自己需要做出改变。故选A。]
5．A.accmpanied B．assisted
C．required D．invited
D [根据该句中的“My friends were jining the lngdistance running club”和“t d it t”可推知，“我”的朋友邀请“我”也参加。]
6．A.trials B．alternatives
C．pprtunities D．reasns
A [根据空后的“every student was accepted”可知，在我们学校，没有资格选拔赛(trials)。]
7．A.cmpetitr B．cach
C．reprter D．referee
B [根据该句中的“the first day f practice”并结合常识可知，此处应是俱乐部的教练在指导学生进行长跑前的热身练习。故选B。]
8．A.hard B．bring
C．practicalD．casual
D [根据该句中的“the warmup”以及语境可知，当教练宣布要进行热身练习时，“我”以为是绕着400米的跑道随便慢跑而已。故选D。]
9．A.decided B．suspected
C．realizedD．agreed
C [根据上题的解析及该句中的“it was a 1km run”可知，“我”很快意识到热身练习是一千米的长跑。故选C。suspect意为“觉得”，不符合语境。]
10．A.sent ff B．taken away
C．turned dwn D．wrn ut
D [根据下文中的“If that's a warmup，what's next？”可知，“我”跑完一千米之后，已经精疲力竭了。D项意为“精疲力竭，疲惫不堪”，故选D。send sb.ff意为“罚某人下场”；take sb.away意为“带走某人”。]
11．A.real B．best
C．expected D．fun
A [根据上文中的“If that's a warmup，what's next？”并结合语境可知，那一天真正的训练是五千米长跑。故选A。]
12．A.cmplainingB．quitting
C．crying D．refreshing
B [根据上文的内容可知，当回到家的时候，“我”真的考虑过退出长跑俱乐部。故选B。]
13．A.cnvinced B．taught
C．sent D．helped
A [根据该句中的“keep at it and try harder”可知，“我”说服了自己要坚持，并且将更加努力。cnvince意为“说服”，故选A。]
14．A.actuallyB．gradually
C．separately D．instantly
D [根据空后的“I always came last during practice”可知，真正的进步不是马上就有的，故选D。A项意为“实际上”；B项意为“逐渐地”；C项意为“分别地”；D项意为“立即，马上”。]
15．A.perfrmances B．presentatins
C．races D．steps
C [根据文章内容可知，“我”加入的是长跑俱乐部，因此这里表示的是“我”在训练中以及最初的一些跑步比赛中，总是最后一名，故选C。]
16．A.middleB．tp
C．frnt D．bttm
A [根据该句中的“the fastest，mre ________ runners were always ahead，while the laziest were behind”可知，在训练中，“我”总是处于小组的中间位置，那些跑得最快、更加认真的(serius)学生总是在“我”的前面，而那些最懒惰的则在“我”后面。故选A。]
17．A.ppularB．cnfident
C．serius D．relaxed
C [参见上题解析。]
18．A.inspiratin B．determinatin
C．lyaltyD．cntributin
B [根据第13及16小题的解析和语境可知，“我”没有退出长跑俱乐部，而是说服自己要坚持，并且在尽自己的最大努力之后，“我”也在慢慢进步，并且由于“我”的决心，进行五千米长跑前的热身练习成了真正的热身练习，而且每天的五千米跑也变成一次容易的训练。故选B。A项意为“灵感”；B项意为“决心”；C项意为“忠诚”；D项意为“贡献”。]
19．A.unimaginable B．avidable
C．easy D．ptinal
C [参见上题解析。unimaginable“难以置信的”；avidable“可以避免的”。]
20．A.exceptin B．example
C．prmtinD．success
D [根据前一句中的“I was n lnger the last in anything we did”以及上文的内容可知，“我”之前是不爱运动的，但自加入长跑俱乐部以来，经过“我”的努力，“我”在任何跑步活动中都不是最后一名了，这对“我”来说，就是一件成功的事情。故选D。A项意为“例外”；B项意为“例子”；C项意为“提升”；D项意为“成功的事”。]
课时提能练(八)
必修2 Unit 4 Cyberspace(B)
Ⅰ.阅读理解
A
(2020·资阳联考)
Buckingham Palace
It is the fficial residence f Queen Elizabeth Ⅱ in Lndn.The architectural cre f Buckingham Palace is the frmer Buckingham Huse，built in 1703.Yu can visit the state rms frm August t Octber when the Queen is n hliday.It is ne f the wrld's mst familiar buildings.It has 775 rms.During the summer the famus Changing f the Guards takes place at the frnt f the palace at 11：30 and is a ppular event fr visitrs t the capital.
Big Ben and Westminster Palace
It is ne f Lndn's bestknwn landmarks.Big Ben is the name f the clck inside the Clck Twer.It lies at the nrtheastern end f the Huses f Parliament.Westminster Palace is ne f the largest parliaments in the wrld.It was built between 1840 and 1880.
The Twer f Lndn
The Twer f Lndn is a histrical mnument in Central Lndn n the nrth bank f the river Thames.It was funded by William the Cnquerr.It was a palace and a prisn (fr Queen Elizabeth Ⅰ fr example)．There yu can see strange guards called “the Beefeaters”．Since the beginning f the 14th century，the Twer f Lndn has been the hme f the wrld famus British Crwn Jewels—they are a must f yur visit!
Trafalgar Square
It was named in 1835 t give hnur t the memry f the British victry ver the French at Trafalgar in 1805.There is a huge statue f Admiral Nelsn (the British her killed during the battle) in the middle f the square.It is a ppular turist attractin with the fur lin statues.
【语篇解读】 本文是一篇应用文。介绍了英国伦敦的几处地标性建筑：白金汉宫、大本钟和国会大厦、伦敦塔及特拉法加广场。
1．Which has the secnd lngest histry?
A．Trafalgar Square.
B．The Twer f Lndn.
C．Westminster Palace.
D．Buckingham Huse.
D [细节理解题。根据Buckingham Palace部分的“built in 1703”； Big Ben and Westminster Palace部分的“It was built between 1840 and 1880.”； The Twer f Lndn部分的“It was funded by William the Cnquerr.”(“征服者威廉”1066—1087年在任)；Trafalgar Square部分的“It was named in 1835”可知，白金汉宫存在的历史悠久仅次于伦敦塔。故D项正确。]
2．What is The Twer f Lndn nted fr in the wrld?
A．Its strange guards.
B．Its British Crwn Jewels.
C．Its funder.
D．Its gegraphical site.
B [细节理解题。根据The Twer f Lndn部分的“Since the beginning f the 14th century，the Twer f Lndn has been the hme f the wrld famus British Crwn Jewels—they are a must f yur visit！”可知，从十四世纪起伦敦塔就成为举世闻名的英国国王的王冠、王室珍藏珍宝的收藏地。故B项正确。]
3．Why was Trafalgar Square built?
A．Because a battle happened here.
B．Because it culd be gd fr turism.
C．Because admiral Nelsn was brn here.
D．Because fur lin statues had been built.
A [细节理解题。根据Trafalgar Square部分的“It was named in 1835 t give hnur t the memry f the British victry ver the French at Trafalgar in 1805.”可知，特拉法加广场是为了纪念英国在1805年的特拉法加大海战中战胜法国而建的。故A项正确。]
B
(2020·郑州市第一次质量预测)Smething strange has been happening t me lately: Wmen in the street have been telling me I'm brave.
My act f curage isn't much—I just stpped clring my hair.I had brwn hair that started ging gray when I was 30.S，like a lt f wmen，I started dyeing (染) it.It was expensive and timecnsuming.And my hair grws fast，s I needed t g back t the hair saln(美发厅) every 5 weeks.
Many peple seem t enjy hlding nt their yuth fr as lng as pssible，giving thers the impressin that they dn't have much wisdm r many accmplishments.But ur hair starts t turn gray and suddenly we start spending $500 r mre a year t cver smething ur male clleagues dn't need t cver.
Of curse，peple shuld d what they want t d with their wn bdy—my mther is 91 and still has “blnde” hair，and why nt? I just wish mre f us wuld feel that it is OK t be urselves，because ging gray has dne mre fr me than saving me time and mney.
I like my natural hair，just as it is.I like hw it has gt curly again.It is recvering after years f being damaged by chemicals.I als like that it has given me sme needed attitude in a sciety that makes yuth seem s imprtant，while being against maturity.It reminds me that I'm nt a kid anymre and this isn't a bad thing.Nt being a kid anymre means I read the bks I want，and nt the bks I feel I shuld read.It means nt wasting my time at events I dn't need t attend when I'd rather be with my family and friends.
When I see my hair in the mirrr，it's a reminder that my time is limited，and I shuld spend it ding what matters.There's nthing shameful abut grwing lder. And pretending it's nt happening is a way f giving up ur pwer.
I see my gray hair as a little act f rebellin(反叛) against the idea that peple lse value as they age，instead f gaining it.I see gray hair as my “flag” and I'm letting it fly prudly.
【语篇解读】 文章开头作者叙述了自己虽然头发变白但不再染发，从而受到别人的好评的经历，接着表达了自己对变老的看法。作者认为染发浪费金钱和时间，追求自然、重视因年龄增长而带来的智慧才是重要的。
4．Hw des the authr feel abut clring hair?
A．It shws peple's great curage.
B．It is a gd way t hld nt yuth.
C．It shws wisdm and accmplishments.
D．It csts much mney and it takes much time t d that.
D [细节理解题。根据第二段，尤其是该段中的“It was expensive and timecnsuming”可知，作者认为染发花费很多金钱且费时。]
5．What shuld we d when we grw ld accrding t the authr?
A．Give up ur pwer.
B．Pretend t be still yung.
C．Accept it and act psitively.
D．Read as many bks as pssible.
C [推理判断题。根据第四段，尤其是最后一句“I just wish mre f us wuld feel that it is OK t be urselves, because ging gray has dne mre fr me than saving me time and mney”和第六段中的“I shuld spend it ding what matters”以及第七段的最后一句可推知，根据作者的观点，当我们变老时我们应该接受它并采取积极的行动。]
6．What is the authr's main purpse in writing this passage?
A．T explain why yuth is valued.
B．T share her pinin n grwing lder.
C．T stress the imprtance f different attitudes.
D．T analyze the advantages and disadvantages f aging.
B [写作意图题。本文作者首先叙述自己虽然头发变白但不再染发，从而受到别人的好评的经历，然后表达自己对变老的看法——染发浪费金钱和时间，追求自然、重视因年龄增长而带来的智慧才是重要的。由此可推知，作者写本文的目的是分享她对变老的看法。]
7．Which can be the best title fr the passage?
A．Hlding nt Yuth
B．Dyeing Yur Hair
C．Gaining Value with Age
D．Valuing Wisdm f Age
D [标题归纳题。根据全文的内容，尤其是最后一段第一句“I see my gray hair as a little act f rebellin(反叛)against the idea that peple lse value as they age，instead f gaining it”可知，D项“重视因年龄增长而带来的智慧”最适合作文章标题。]
Ⅱ.阅读七选五
(2020·贵阳市四校联考)D yu cnstantly use the cmputer，whether fr learning r entertainment? Cmputers give ff radiatin that is bad fr yur health，but here are sme ways t prtect yurself frm the radiatin.__1___ Green tea can be absrbed by the bdy easily int a frm f vitamin A，which helps reduce radiatin.__2__
It is advisable t attach a radiatin filter plate (辐射过滤板) in frnt f yur cmputer screen.Be sure t avid putting any metal substances near yur cmputer as these may reflect sme f the electrmagnetic waves that are harmful t yur health.__3__The brighter the screen is，the higher the radiatin will be.
Yu can als put sme radiatinabsrbing plants such as several cacti (仙人掌) near yur cmputer t prevent radiatin.
Make sure yu take measures t prtect yur skin befre sitting in frnt f the cmputer.__4__What's mre，wash yur face sn after using the cmputer in rder t reduce 70% f the radiatin.
__5__An ld cmputer in general has ne t tw times mre radiatin released than the new ne within the same distance.
A．And adjust the brightness f yur cmputer screen.
B．It als helps ur eyes see things clearly in the dark by imprving the visual ability.
C．And adjust the sund level n yur cmputer.
D．The mst efficient way is by drinking sme cffee regularly.
E．If pssible，purchase a new cmputer instead f using an ld cmputer.
F．The simplest way is by drinking tw r three cups f green tea every day.
G．Fr example，apply a face mask t prtect yurself.
【语篇解读】 本文主要介绍了减少电脑辐射的方法，包括每天喝绿茶、调整电脑屏幕的亮度、做好皮肤护理、在电脑附近放吸收辐射的植物以及尽可能使用新电脑。
1．F [根据空后一句“Green tea can be absrbed by the bdy easily int a frm f vitamin A，which helps reduce radiatin”可知，绿茶被人体吸收后容易转化为维生素A，有助于减少辐射；据此可推知，空处应是介绍关于减少电脑辐射的建议之一：喝绿茶，故F项正确。]
2．B [由空前一句可知，绿茶被人体吸收后容易转化为维生素A，有助于减少辐射；并结合语境可推知，空处应是介绍绿茶的其他好处，故B项与此处匹配。]
3．A [根据空后一句“The brighter the screen is，the higher the radiatin will be”可知，电脑屏幕越亮则辐射越强；据此可推知，空处应是建议调整电脑屏幕亮度，故A项正确。]
4．G [根据空前一句“Make sure yu take measures t prtect yur skin befre sitting in frnt f the cmputer”可知，要确保坐在电脑之前已采取措施保护你的皮肤；据此可知，空处应是介绍具体的措施，故G项与此处匹配。]
5．E [根据空后一句“An ld cmputer in general has ne t tw times mre radiatin released than the new ne within the same distance”可知，通常来说，在相同的距离内，旧电脑的辐射量是新电脑的一至两倍；据此可推知，该段应是建议尽可能使用新电脑，故E项正确。]
Ⅲ.语法填空
(2020·南昌市高三摸底测试卷)Many athletes have been tld that smiling while 1.________ (sweat) will make their effrts feel easier.A marathn runner smiled widely thrugh the final miles f his fastestever marathn；afterward，he said what he had hped 2.________ (be) that the smiling wuld relax him t the finish line.But there has been little slid scientific evidence t supprt this idea.In recent years several studies 3.________ (examine) whether deliberately smiling can make changes t hw peple feel psychlgically during few have lked at the physical effect 5.________ sprts perfrmance.
Researchers decided 6.________ (gather) a grup f experienced recreatinal runners and have them alternately smile bradly as they ran.Many f the runners fund it difficult t smile thrughut the whle sessin，thugh.Their smiles became 7.________ (increase) fixed and unnatural.Such false smiles make 8.________ (few) facial muscles (肌肉) start wrking than the sincere versin and mst likely result in less 9.________ (relax) and perfrmance imprvement.S the key t using a happy smile t make yu 10.________ better runner may be t smile sincerely and ften near a race's end，but in 30secnd bursts，rather than cnstantly.
【语篇解读】 文章主要介绍了运动时微笑的作用以及如何微笑效果更好。
1．sweating [考查动名词。分析句子结构并结合语境可知，空处与smiling为同时发生的动作，表示出着汗微笑着，故填sweating。]
2．was [考查主谓一致和时态。分析句子结构可知，空处作谓语，其主语为“what he had hped”，故谓语动词应用单数形式；且根据该句中的“said”可知，此处应用一般过去时，故填was。]
3．have examined [考查动词的时态。根据句中的时间状语In recent years可知，应该用现在完成时，且主语“several studies”为复数，故填have examined。]
4．But [考查连词。根据空后的“few”可知，此处和前一句构成转折关系，故填But。]
5．n [考查介词。此处考查固定搭配effect n sth.“对……的影响”。]
6．t gather [考查动词不定式。此处考查固定用法decide t d sth.“决定做某事”，所以用t gather。]
7．increasingly [考查副词。副词修饰形容词，故用副词increasingly修饰其后的“fixed and unnatural”。]
8．fewer [考查比较级。根据该句中的“than”可知，此处表示比较的含义，故用比较级fewer。]
9．relaxatin [考查词形转换。由该空后的“and”可知，空处与名词词组perfrmance imprvement并列，故填名词relaxatin。]
10．a [考查冠词。此处表示使你成为一个更好的赛跑运动员，且better的发音以辅音音素开头，故填a。]
Ⅳ.短文改错
(2020·太原市阶段性测评)I was a sweet and lving girl during I was very yung.Unfrtunate，things changed.It all started when I was given smartphne in the eighth grade by a gd friend.I became fnd f watching mvies，chat nline and playing addictive games.Naturally，I culdn't make prgresses in my study any mre.What's wrse，I spent fewer time in cmmunicating with my parents.Thus，all f them were wrried abut what had been happened and turned t my head teacher fr help.With their help，I realized what serius the things were and decided t change myself.Nw I am grateful t them and became a gd girl.
[答案]
I was a sweet and lving girl eq \f(during,when) I was very yung.eq \f(Unfrtunate,Unfrtunately)，things changed.It all started when I was given eq \(\s\up7(∧),\s\d5(a)) smartphne in the eighth grade by a gd friend.I became fnd f watching mvies，eq \f(chat,chatting) nline and playing addictive games.Naturally，I culdn't make eq \f(prgresses,prgress) in my study any mre.What's wrse，I spent eq \f(fewer,less) time in cmmunicating with my parents.Thus，eq \f(all,bth) f them were wrried abut what had eq \(been,＼) happened and turned t my head teacher fr help.With their help，I realized eq \f(what,hw) serius the things were and decided t change myself.Nw I am grateful t them and eq \f(became,becme) a gd girl.
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