高中英语高考层级二 第二节 如何巧取连词题-2022年新高考英语二轮复习提分秘籍专题四：语法填空（第二讲）

这是一份高中英语高考层级二 第二节 如何巧取连词题-2022年新高考英语二轮复习提分秘籍专题四：语法填空（第二讲），共15页。
第二节　如何巧取连词题对连词的考查涉及到并列句和三大从句，是高考语法填空的重点和难点，也是学生的易错点。分析句子成分，牢记从句用法是解题的关键。No.1思维定向——如何确定填连词解题步骤典例印证第一步：如何确定并列连词如果两个单词、短语、句子相并列的成分相互之间存在并列、转折、选择、因果关系填并列连词。第二步：如何确定其他连词如果空处引导从句，则首先要看它所引导的是哪一种从句，然后根据引导词的种类和功能来确定填哪一个引导词。　　(2021·新高考卷Ⅰ)Though it is the only unnatural thing on your way up the mountain, still it highlights the whole adventure ____________ offers a place where you can sit down to rest your aching legs.【分析】第一步　确定并列连词分析句子结构可知， highlights 与offers 是两个并列谓语。第二步　确定填哪个连词本空连接两个谓语动词(highlights和offers)，表示顺接关系，因此这里填并列连词。[尝试解答]　 and__No.2解题规则——再确定具体用何种连词　技法1　并列连词——关系分析法＋句型法思维定向典题试做解题原则1.关系分析法1.(2020·新高考卷Ⅰ)They kept their collection at home until it got too big ____________ until they died，and then it was given to a museum.2．(2020·浙江1月卷)It’s also that they are on average healthier ____________ more productive for longer.3．(2021·安阳市高三二模)It was estimated that about 500 million people ____________ one－third of the world’s population of that time became infected with this virus.4．(2021·长春市高三质量监测一)Grandpa Amu insists that he isn’t an Internet celebrity (名人)____________ just an ordinary farmer.5．(2021·邯郸一模)Life isn’t perfect and it’s always hard, ____________ we need reminders in our life from friends, authors, bloggers, pastors or our inner spirits to refocus on the things that matter and make us live positively.6．(2021·咸阳市高考模拟一)Some people like the convenience of big cities，____________ others like the tranquility(宁静) of a smaller college town.分析设空前后单词、短语或分句之间的关系，确定用哪个连词。(1)表示并列或递进关系的有：and, both...and...两者都， not only...but (also)．..不但……而且……等。(2)表示选择关系的有：or, either...or...或者……或者……，neither...nor...既不……也不……。(3)表示转折或对比关系的有：but, while, not...but...等。(4)表示因果关系的有：so, for等。2.句型法7.(2020·全国卷Ⅱ) Hardly had we arrived at the farm ____________ we saw many oranges hanging from the branches.8．One day, the cow was eating grass ____________ it began to rain heavily.9．Please send us postcards ____________ we will know where you have visited.1.“祈使句＋and/or＋陈述句”句型。2．其他固定句型：·be doing sth when...正在做某事这时……·be about to do sth when...正要做某事这时……·had just done sth when...刚做某事这时……·hardly had sb/sth done when...刚……就……·no sooner had sb/sth done than...刚……就……答案1．or　[考查连词。句意：他们把自己的藏品留在家里，直到收藏变得太大或者自己去世，然后这些藏品被捐给一家博物馆。根据语境可知，前后陈述的是两种可能性，应使用连词or “或者”。]2．and　[考查连词。结合句意可知，healthier 和more productive 构成并列关系，故填and。]3．or　[考查连词。此处意为：大约5亿人或者说当时世界人口的三分之一感染了这个病毒。空格前后为选择性并列关系。]4．but　[考查连词。句意：阿木爷爷坚称自己不是网红，只是一个普通的农民。not...but...“不是……而是……”为固定用法。]5．so　[考查连词。句意：生活并不完美，而且总是充满艰辛，因此我们在生活中需要朋友、作家、博主、牧师或者我们自己内心的提醒，从而使自己重新关注那些重要的和可以让我们积极生活的事情。根据句意可知，设空处前后为因果关系。故填so。]6．while/ but　[考查连词。句意：一些人喜欢大城市的便利，而另一些人喜欢较小的大学城的宁静。“Some people like the convenience of big cities”和“others like the tranquility(宁静) of a smaller college town”构成转折或对比关系。]7．when　[考查连词。句意：我们刚到农场，就看见橘子挂满枝头。此题考查hardly...when...“刚……就……”句式。]8．when　[考查连词。句意：一天，奶牛正在吃草，这时突然下起了大雨。be doing sth when...是固定结构，意为“正在做某事那时……”。]9．and　[考查连词。此题考查“祈使句＋and/or＋陈述句”句式。]　技法2　定语从句——4步法确定关系词 思维定向典题试做解题原则第一步：确定是定语从句1.(2020·新高考卷Ⅰ)The 80，000 objects collected by Sir Hans Sloane，for example, formed the core collection of the British Museum ____________ opened in 1759.2．(2020·天津卷改编)Dr.Rowan，____________ secretary resigned two weeks ago，has had to do all his own typing.3．(2021·广东省高考模拟测试二)The Rio Carnival is without doubt something ____________ everyone should add to his or her bucket list.分析句子结构，设空处是无提示词， 设空后的句子不完整，且对设空前的某一名词、代词或整个主句起限定作用，就要考虑填定语从句关系词。第二步：分清限制与非限制4.(2021·长沙市雅礼中学一模) In most addictions, people feel forced to do certain activities so often that they become a harmful habit, ____________ then affects other important activities such as work or school.5．(2021·兰州市第二次实战考试)However, it is a very complex activity ____________ involves almost all psychological processes including sensation, perception, motor behavior, motivation, attention, emotion, cognition and all kinds of memory.6．(2020·天津卷改编)____________ is described in Paragraph 4, taking a small kid to a half－hour Story Time allows the parent to enjoy quiet reading.在先行词的后面出现逗号的，是非限制性定语从句。1．that不能引导非限制性定语从句。2．which引导非限制性定语从句可代表主句的全部或部分内容，which意为“这一点”。3．as引导非限制性定语从句，可置于句中或句首，意为“正如”。第三步：寻找先行词，判断属性(指人还是指物，表时间、地点还是原因)7.(2021·汉中市模拟一)Robinson does not remember anything from the accident, but he will never forget the man ____________ saved his life.8．(2020·全国卷Ⅲ)In ancient China lived an artist ____________ paintings were almost lifelike.9．(2020·天津卷改编)Mr.Smith owned this oil painting until the early 1990s, ____________ he gave it to his grandson.1.先行词指人：that/who/whom/whose；2．先行词指物：that/which/whose等；3．表时间/地点/原因：when/where/why。第四步：判断从句中所缺成分，确定关系词10.(2019·北京卷改编)The students benefitting most from college are those ____________ are totally engaged (参与) in academic life, taking full advantage of the college’s chances and resources (资源)．11．(2020·全国卷Ⅰ)Because the moon’s body blocks direct radio communication with a probe，China first had to put a satellite in orbit above the moon in a spot ____________ it could send signals to the spacecraft and to Earth.12．(2021·襄阳五中高三5月冲刺) For those who love nature, Zhangjiajie is a place ____________ we must visit.1.缺少主语：that/which/who；2．缺少动词的宾语：that/which/who/whom；3．缺少介词的宾语：whom/which；4．缺少定语：whose；5．缺少时间、地点或原因状语时；分别用when, where, why。答案　1．which/that　[考查定语从句。句意：例如，汉斯·斯隆爵士的8万件藏品构成了1759年开馆的大英博物馆的核心藏品。此处是限制性定语从句，先行词是the British Museum，关系词在从句中作主语，应使用关系代词which/that引导。]2．whose　[考查定语从句。secretary与Dr.Rowan之间为所属关系，所以应用whose引导非限制性定语从句，在从句中作定语。]3．that　[考查定语从句。句意：毫无疑问，狂欢节是每个人都应该添加到他或她的愿望清单上的东西。分析句子可知，空格处引导限制性定语从句，先行词为不定代词something，故用关系代词that引导从句，在从句中作宾语。]4．which　[考查定语从句。句意：在大多数上瘾症中，人们感到被迫经常做某些活动，以至于成为一种有害的习惯。然后这会影响到其他活动，例如工作和学习。根据句子结构判定本句为非限制性定语从句，空格处所缺的关系词指代前面整个句子，且在从句中作主语，应用关系代词which。]5．that/which　[考查定语从句。句意：然而，它是一项非常复杂的活动，涉及几乎所有的心理过程，包括感觉、知觉、运动行为、动机、注意力、情绪、认知和各种记忆。设空处是一个定语从句修饰先行词activity，关系词在从句中作主语，所以填that/which。]6．As　[考查定语从句。句意：正如第四段所述，当你安静地坐在角落里看一本好书时，带着你的孩子看半个小时的故事是一种放松。As “正如”符合语境。]7．who/that　[考查定语从句。句意：鲁宾逊对事故的任何事情都不记得了，但他永远也不会忘记那个救了他命的人。空处引导定语从句，先行词the man，指人，在定语从句中作主语，需用关系代词who/that引导。]8．whose　[考查定语从句。句意：中国古代有一位画家，他的画几乎栩栩如生。此处为定语从句修饰先行词artist，且先行词在从句中作定语，故应用关系代词whose。]9．when　[考查定语从句。句意：史密斯先生持有这幅油画到20世纪90年代初，同年他把它给了他的孙子。空格处引导非限制性定语从句修饰先行词the early 1990s, 并在从句中作时间状语，故填when。]10．who　[考查定语从句。分析句子结构可知，空格处引导限制性定语从句且在从句中作主语，修饰先行词those，指大学生们，故填who。]11．where　[考查定语从句。句意：由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以在这个点向航天器和地球发射信号。分析句子可知，空格处引导限制性定语从句，修饰先行词a spot，且在从句中作地点状语，故填关系副词where。]12．that/which　[考查定语从句。句意：张家界是一个我们一定要去的地方。分析句子可知，此句为限定性定语从句，先行词为a place，在从句中作宾语，应用关系代词that或which引导。]【名师点拨】　“介词＋关系代词”的使用3规则构成用法介词(短语)＋which/whom介词提前时，指物只能用which，指人只能用whom数词/形容词最高级/不定代词＋of＋which/whom表示部分与整体的关系the＋名词＋of＋which/whom表示所属关系，可转化为“whose＋名词”【易错辨析】1．(1)They live in a small house, in front of ____________ stands an orange tree.(2)They live in a small house, and in front of ____________ stands an orange tree.2．(1)The old man has three sons, none of ____________ is a doctor.(2)The old man has three sons, but none of____________  is a doctor.答案1．(1)which　(2)it　[两句的区别是有无连词and。句(1)中，空格处引导非限制性定语从句，且在从句中作of的宾语，先行词为a small house，表示物，故填which；句(2)中，and连接两个并列分句，空格处指代前面分句中的a small house，故填it。]2．(1)whom　(2)them　[两句的区别是有无连词but。句(1)中，逗号后为非限制性定语从句，空格处为引导词表示人，且作of的宾语，故填whom；句(2)中，but连接两个并列分句，空格处指代前面分句中的three sons，且作of的宾语，故填them。]　技法3　名词性从句——搞定名词性从句5方向设空处无提示词，先确定主句主谓结构，再确定设空处和空后的内容在主句中充当的成分：主语、宾语、表语或同位语。思维定向典题试做解题原则方向一：从句中不缺句子成分且句意完整1.(2019·全国卷Ⅰ)The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland.While they are rare north of 88°， there is evidence ________ they range all the way across the Arctic, and as far south as James Bay in Canada.2．(2021·宜春市高三模拟)Tourist destinations in Europe are confident ____________ the strong growth of China’s winter sports industry will benefit their economies.分析句子结构，不缺任何成分且句子意义完整， 考虑that引导同位语从句、表语从句、宾语从句和主语从句，此时that没有词义，也不作任何成分。方向二：从句中不缺句子成分但句意不完整3.(天津卷改编)She asked me ____________ I had returned the books to the library, and I admitted that I hadn’t.4．(2021·陕西省宝鸡市高三联考)But there is some debate over ____________ it was NOLA or Mobile, Alabama that had the first Mardi Gras back in the 1700s.分析句子结构， 不缺任何成分，且引导词表示是否，考虑whether引导名词性从句，if可以用于引导宾语从句。方向三： 从句中缺少主/宾/表语5.(2020·天津卷改编)The student completed this experiment to make come true ____________ Professor Joseph had said.6．(2021·赣州市高三年级摸底)____________ deeply touched us is that many students chose to spend the nights of Lunar New Year’s Eve and the next day, usually the time for family gatherings and relaxing, studying in classrooms.分析句子结构，缺少主语、宾语、表语：用连接代词what，who, whom, which, whatever等。方向四： 从句中缺少状语7.(2019·北京卷)What students do at college seems to matter much more than ____________ they go.8．(2021·武汉市4月检测)The data from this extreme weather station is enabling scientists to directly keep a  close eye on the jet stream and understand ____________ Himalayan climate is changing.缺少状语(结合句意判断)：用连接副词where (表地点)，when (表时间)，how (表方式或程度)，why (表原因)等。方向五：it句型9.(2021·大连市二模)It is likely ____________ FAST will help make many new Nobel－level discoveries.10．(2021·黔东南州高考模拟)It is warned ____________ the pandemic could create a “lost” generation who will be affected by “lifelong” mental illnesses.it作形式主语或形式宾语的名词性从句要牢记。答案1．that　[考查同位语从句。本句含有一个同位语从句，解释了名词evidence的具体内容，空格处在从句中不充当成分，也无意义，故填连接词that。]2．that　[考查宾语从句。句意：欧洲旅游目的地对中国的冬季运动产业很有信心，认为中国冬季运动产业的强劲增长对他们的经济有益。此处考查的是句型be confident that...，宾语从句不缺成分，that仅起连接作用，无实义。]3．if/whether　[考查宾语从句。分析句子结构可知，空格处引导宾语从句，从句结构完整，但句意不完整，故用if或whether表示“是否”。]4．whether　[考查宾语从句。句意：但是，在18世纪的时候，究竟是诺拉还是阿拉巴马州的莫比尔举办了第一次狂欢节，这还存在一些争论。空处引导宾语从句，根据后文“it was NOLA or Mobile”可知为whether...or...，表示“是……还是……”。]5．what　[考查宾语从句。句意：这个学生完成了这个实验，使约瑟夫教授所说的变成了现实。空格处引导宾语从句，且在从句中作said的宾语，故填what。]6．What　[考查主语从句。句意：最让我们感动的是，很多学生选择在除夕夜和大年夜这两个通常是家庭聚会和放松的时间在教室里学习。主语从句中缺少主语，且是指事情，所以应用连接代词what。]7．where　[考查宾语从句。句意：学生在大学里做什么似乎比去哪里(哪所大学)更重要。这里表达去哪所大学，表示地点，作状语。]8．how　[考查宾语从句。句意：来自这个极端气象站的数据使科学家能够直接密切关注喷射气流并了解喜马拉雅气候是如何变化的。分析句子结构，understand后是一个宾语从句，句中缺少方式状语，所以用连接副词how。]9．that　[考查主语从句。句意：FAST很可能会帮助许多新的诺贝尔级别的发现。此处为句型“it be likely that...”，表示“可能……”，it作形式主语，that从句为真正主语。]10．that　[考查主语从句。句意：有人警告说，大流行病可能造成“迷失的一代”，他们将受到“终生”精神疾病的影响。此处为主语从句，从句中不缺少成分，句意完整，应用只起连接作用的that。]　技法4　状语从句——句意法＋固定句式法思维定向典题试做解题原则1.句意法确定状语从句引导词1.(2021·贵州省适应性测试) Every day Mei watched them ________ they flew, which helped him to develop the expressive eye movements that were so important to his art.2．(2019·天津卷改编)Tom is so independent that he never asks his parents’ opinion ________ he wants their support.3．(2021·福建省莆田市5月模拟) In China, food deliverymen are always in a rush between traffic regardless of wind or rain.________ they make our life more convenient, this can come at a cost for them.1.while/when/as/since/before/after/until引导的时间状语从句2．if/unless/once引导的条件状语从句3．though/although/while/as引导的让步状语从句4．where引导的地点状语从句5．because/since/as引导的原因状语从句2.固定句式法确定状语从句引导词4.(北京卷改编)If you don’t understand something, you may research, study, and talk to other people ____________ you figure it out.5．(2020·浙江1月卷)I was running so fast ____________ I bounced off the trunk and landed on my backside.6．(2021·河南省高考适应性练习)____________ or not you agree, the saying does reflect its vital role in the city’s evolution(演变)． 1.so/such...that...如此……以至于……2．not...until...直到……才……3．It will/won’t be＋一段时间＋before...过了多少时间才/没过多长时间就……4．It is some time(一段时间)＋since...自从……多长时间5．whether...or not...无论……还是……，引导让步状语从句答案1．as/when　[考查状语从句。句意：每天梅都看着它们飞翔，这帮助他发展了富有表现力的眼部运动，这对他的艺术非常重要。as/ when引导时间状语从句， 意为“当……时候”， 符合语境。]2．unless　[考查状语从句。句意：汤姆很独立，除非他想得到父母的支持，否则他从不征求父母的意见。根据语境可知，这里用从属连词unless引导条件状语从句，表示“除非”。]3．Although/Though/While　[考查状语从句。句意：虽然他们使我们的生活更方便，但他们要付出很大代价。分析句子可知，设空处引导的是让步状语从句，设空处为引导词，故填Although/Though/While。]4．until　[考查状语从句。句意：如果你不明白某件事情，你可以研究、学习，也可以与其他人谈谈，直到弄明白为止。until引导时间状语从句，表示“直到”。]5．that　[考查状语从句。句意：我跑得如此快以至于我撞到树干上被弹回来，仰面朝天摔倒在地上。根据句意可知，空格处及后面的内容为that引导的结果状语从句，故填that。]6．Whether　[考查状语从句。句意：不管你是否同意，这句话确实反映了它在城市发展中的重要作用。whether...or not...无论……还是……， 符合语境。]A(2021·陕西省宝鸡市高三联考)Mardi Gras in New Orleans, also known as Fat Tuesday, is 1.____________ cultural scene like the US version of carnival.But there is some debate over 2.____________ it was NOLA or Mobile, Alabama that had the first Mardi Gras back in the 1700s.Regardless of who did it first, few would argue that the New Orleans festival is the best.Though the celebration 3.____________ (hold) every year on the day before Ash Wednesday, the festivities last for months.It 4.____________ (begin) with social events in November, private balls on Thanksgiving Day and New Year’s Eve, with parades and more private balls throughout January and early February.Getting invites to some 5.____________ (organize) events isn’t easy.But if you know someone or have much money, MOM’s Ball and Orpheuscapade Ball are 6.____________ (frequent) ranked among the best.If you are enthusiastic 7.____________ music, check out the annual Galactic concert at the world－famous Tipitina’s on Lundi Gras (the day before Mardi Gras)．When the big day arrives, it’s best 8.____________ (plan) what you want to see.Longtime locals have a 9.____________ (prefer) for the Krewe of Muses Parade, the Rex Zulu Parade, and the Krewe of St.Anne and Krewe of Julu Parades.But, for our money, it doesn’t get any 10.____________(great) than watching the Mardi Gras Indians Parade.【语篇解读】　本文是说明文，主要介绍了新奥尔良狂欢节的相关背景知识和节日活动等信息。1．a　[考查冠词。句意：新奥尔良的狂欢节，也被称为“油腻星期二”，和美国版的狂欢节一样，是一种文化场景。scene为可数名词，此处表泛指应用不定冠词，且cultural是发音以辅音音素开头的单词，故用a。]2．whether　[考查名词性从句。句意：但是，在18世纪的时候，究竟是诺拉还是阿拉巴马州的莫比尔举办了第一次狂欢节，这还存在一些争论。空处引导宾语从句，根据后文“it was NOLA or Mobile”可知为whether...or...，表示“是……还是……”。]3．is held　[考查时态语态和主谓一致。句意：尽管庆祝活动在每年圣灰星期三的前一天举行，但庆祝活动持续数月。根据后文“every year”可知，用一般现在时；主语与谓语动词构成被动关系，用一般现在时的被动语态；主语为celebration，谓语动词用单数。故填is held。]4．begins　[考查时态和主谓一致。句意：它始于11月的社交活动，感恩节和新年前夜的私人舞会，整个1月和2月初都有游行和更多的私人舞会。句子陈述客观事实用一般现在时，主语为it，谓语动词用第三人称单数形式。]5．organized　[考查词性转换。句意：收到一些有组织的活动的邀请并不容易。修饰后文名词events，应用形容词organized，作定语。]6．frequently　[考查词性转换。句意：但如果你认识某人或有很多钱，MOM’s舞会和Orpheuscapade 舞会经常名列前茅。修饰动词rank应用副词frequently，作状语。]7．about　[考查介词。句意：如果你对音乐充满热情，可以在世界著名的“狂欢节”前一天在Tipitina的Lundi Gras音乐会(狂欢节前一天)观看一年一度的银河音乐会。结合句意表示“对……充满热情”可知，短语为be enthusiastic about。]8．to plan　[考查非谓语动词。句意：当重要的日子到来时，最好计划一下你想看什么。结合句意表示“最好做某事”可知，短语为it be best to do sth，不定式作真正主语。故填to plan。]9．preference　[考查词性转换。句意：长期居住当地人偏爱缪斯克鲁游行、雷克斯祖鲁游行、圣安妮克鲁游行和朱鲁克鲁游行。空处作宾语，表示“偏爱”应填名词preference，短语have a preference for “喜欢”。 ]10．greater　[考查比较等级。句意：但是，对我们来说，没有什么比看印第安人狂欢节游行更棒的了。此处为“否定词＋比较级”表示最高级含义，great应用比较级形式。]B(2021·长沙市雅礼中学一模)Nowadays, social networking addiction has become a rising concern.Social networking addiction is a phrase sometimes used 1.____________ (refer) to someone spending too much time using Facebook, Twitter, Instagram and other forms of social media—so much that it 2.____________ (influence)other aspects of daily life.Addiction usually refers to habitual 3.____________ (behave) that are difficult to control and it may lead to negative effects.In most addictions, people feel forced to do certain activities so often that they become a harmful habit，4.____________ then affects other important activities such as work or school.In that context, a social networking addict could 5.____________ (consider) someone with a powerful inner drive to use social media repeatedly—6.___________________(constant) checking Facebook status updates or following people’s profiles on Facebook, for example, for hours on end.But it is hard to tell when fondness for 7.________________activity becomes a dependency and crosses the line into a damaging habit or addiction.Does 8.____________ (spend) three hours a day on Twitter reading random tweets from strangers mean you’re addicted 9.____________ Twitter? How about five hours? You could argue you were reading headline news or 10.____________ (need) to stay current in your field for work, right?【语篇解读】　本文是说明文。文章阐述了社交网络成瘾这一社会现象，并说明了社交网络成瘾的危害。1．to refer　[考查非谓语动词。句意：社交网络成瘾是一个短语，有时用来指某人花了太多时间使用Facebook, Twitter, Instagram和其他形式的社交媒体。 be used to do意为“被用来做……”，为固定短语，故used后面接动词不定式形式。]2．influences/has influenced　[考查时态和主谓一致。根据句意可知，社交网络成瘾影响到日常生活是一个客观事实，故应用一般现在时；主语是it，后接influence的第三人称单数形式influences。换一个角度，句子也可以理解为社交网络成瘾已经影响到日常生活，“影响”的动作已经发生，这时句子应用现在完成时，句式为“主语＋have/has＋动词的过去分词”。 ]3．behavio(u)rs　[考查名词的数。句意：上瘾通常指难以控制的习惯性行为。空格处单词作refers to的宾语，应用名词形式。“that are difficult to control”为定语从句，修饰空格处应填单词，从句中谓语为are，故空格处单词应为复数形式。]4．which　[考查定语从句。根据句子结构判定本句为非限制性定语从句，空格处所缺的关系词指代前面整个句子，且在从句中作主语，应用关系代词which。]5．be considered　[考查语态。句意：在这种情况下，一个社交网络成瘾者可能被认为是某个有强烈的内在动力反复使用社交媒体的人。根据句意可知，a social networking addict(一个社交网络成瘾者)与consider(认为)是逻辑上的被动关系，故应用被动语态。]6．constantly　[考查词性转换。句意：不断地检查Facebook的状态更新。空格处单词用来修饰check(检查)这一动作，修饰动词应用副词，constant意为“不断的”，为形容词，对应的副词为constantly(不断地)。]7．an　[考查冠词。句意：但很难说对一项活动的喜爱何时会变成依赖。句中activity为泛指一个活动，所以应用不定冠词修饰，activity是以元音因素开头的单词，故不定冠词应用an。]8．spending　[考查非谓语动词。句意：是不是一天在Twitter上花费三个小时阅读来自陌生人的随机微博就意味着你对Twitter上瘾了呢？ 分析句子结构可知，本句谓语动词为mean，且句中没有连词，故设空处应用动名词形式作主语。]9．to　[考查介词。be addicted to意为“对……上瘾”，为固定短语。]10．needed　[考查时态。句意：你可以说你读的是头条新闻或者你需要在你的工作领域里保持最新的状态。分析句子结构，or连接两个并列谓语，时态应该保持一致。“were reading headline news”为过去时态，故空格处应填need的过去式。]