2019-2020年高考英语二轮复习 专题七 并列句和复合句分层训练.doc

2019-2020年高考英语二轮复习 专题七 并列句和复合句分层训练专题七 分层训练知能双升高考回顾1Theres no way of knowing why one man makes an important discovery _ another man, also intelligent, fails.解析：句意：没办法知道为什么有人能够有重大发现，而有的人同样聪明，却不能。while在这里表示两种情况的对比。答案：while2I was glad to meet Jenny again, _ I didnt want to spend all day with her.解析：句意：很高兴又见到珍妮了，但我不想花一整天的时间和她在一起。根据句意可知前后两个分句之间是转折关系，所以用but或yet。答案：but/yet3Dont turn off the puter before closing all programs, _ you could have problems.解析：句意：不要在关闭所有程序之前就把电脑关闭，否则你可能会遇到棘手的问题。or连接两个句子，意思是“否则”。答案：or/otherwise4Read this story, _ you will realize that not everything can be bought with money.解析：句意：读这个故事，你会意识到并非所有的东西都能用钱买到。本题考查“祈使句and/or陈述句”句型。该句型中两个分句如果用and连接，祈使句相当于if引导的肯定形式的条件状语从句；如果两个分句用or连接，祈使句相当于：If .not.。本句题干可改为：If you read this story，you will realize that not everything can be bought with money.答案：and5Go to the village and buy some salt, but pay a fair price for it: neither too much _ too little.解析：此处为neither .nor .“既不也不”，是并列连词，为固定搭配。答案：nor6You have to move out of the way _ the truck cannot get past you.解析：句意：你必须让开路，否则卡车无法通过。or否则。答案：or7At school, some students are active _ some are shy, yet they can be good friends with one another.解析：句意：在学校里，有些学生很活跃，而有些却很害羞，但是他们互相能成为好朋友。while表示两者的对比。答案：while8Someone wants you on the phone._ nobody knows I am here.解析：句意：有人打电话找你。可是没人知道我在这里呀。but可用来引出下文，表示吃惊、生气或不同意，符合此处语境。答案：But9One Friday, we were packing to leave for a weekend away _ my daughter heard cries for help.解析：句意：一个周五，我们正在收拾行李要出去度周末，就在那时我女儿听到有人喊救命。本句考查“be doing.when .”这一结构，在本结构中，when是并列连词，相当于and at that time。答案：when考点二复合句第一组定语从句1Mary was much kinder to Jack than she was to the others, _， of course, made all the others upset.解析：句意：玛丽对杰克要比对其他人好得多，这当然会使得其他人生气了。分析句子结构和句意可知空格处引导一个非限制性定语从句，并且用来指代前面整个句子的内容，作made的主语，所以填which。答案：which2Sales director is a position _ munication ability is just as important as sales skills.解析：句意：在销售经理这个职位中，交际能力和销售技巧同等重要。将先行词position代入定语从句后为：munication ability is just as important as sales skills in the position.由此可见先行词与介词in一起作状语，position在本句中表示“模糊化的地点”，故填where或in which。答案：where/in which3In our class there are 46 students, half of _ wear glasses.解析：句意：我们班有46名学生，其中有一半戴眼镜。先行词为46 students，将先行词代入定语从句后为：Half of the 46 students wear glasses.由此可见关系词在定语从句中作of的宾语，且表示“人”，故用whom引导。答案：whom4By 16：30, _ was almost closing time, nearly all the paintings had been sold.解析：句意：到下午四点半，接近关门的时候，几乎所有的绘画作品都已经售出。先行词为16：30，将先行词代入定语从句后为：16：30 was almost closing time.由此可见关系词在非限制性定语从句中作主语，且表示“事物”，故应使用关系代词which引导。答案：which5Maria has written two novels, both of _ have been made into television series.解析：句意：玛丽亚已经写了两部小说，且这两部小说都被改编成了电视剧。which在定语从句中作介词of的宾语。答案：which6I wish to thank Professor Smith, without _ help I would never have got this far.解析：句意：我想要感谢史密斯教授，没有他的帮助，我绝不会有这样的成就。根据句意及句子结构可知，空格处为定语从句的引导词，先行词为Professor Smith，将先行词代入定语从句后为：Without Professor Smiths help I would never have got this far.由此可见关系词在定语从句中作help的定语，故填whose。答案：whose7Ellen was a painter of birds and of nature, _， for some reason, had withdrawn from all human society.解析：句意：埃伦是一个专画鸟类和自然风景的画家。由于某种原因，她远离了人类社会。此题考查非限制性定语从句，修饰先行词Ellen。因为关系词指人并且在从句中作主语，所以只能用who。答案：who8Care of the soul is a gradual process in _ even the small details of life should be considered.解析：句意：对心灵的关爱是一个渐进的过程，在这个过程中即使最细微的生活细节都应该被考虑在内。考查“介词which”引导的定语从句。先行词为a gradual process，将先行词代入定语从句后为：Even the small details of life should be considered in the gradual process.由此可见关系词在定语从句中作介词in的宾语，所以填which。答案：which9That evening, _ I will tell you more about later, I ended up working very late.解析：句意：那晚我工作到很晚，稍后我会告诉你更多关于那晚的事。先行词为that evening，将先行词代入非限制性定语从句后为：I will tell you more about that evening later.由此可见关系词在定语从句中作about的宾语，且表示“物”，故用which引导。本题易误填when，考生只看到先行词为表示时间的名词，但没有注意到先行词在定语从句中的功能。答案：which10Nowadays people are more concerned about the environment _ they live.解析：句意：现在人们更加关心他们居住的环境。先行词是environment，将先行词代入定语从句后为：They live in the environment.由此可见关系词在定语从句中作地点状语，故用where/in which引导。答案：where/in which11Happiness and success often e to those _ are good at recognizing their own strengths.解析：句意：幸福和成功经常青睐那些善于发现自身长处的人。先行词为those，将先行词代入非限制性定语从句后为：Those are good at recognizing their own strengths.由此可见，先行词在定语从句中作主语，且表示“人”，故用who。本题易误填that。当先行词是指人的不定代词，如：one，ones，anyone，those，all，nobody等时，用who不用that。答案：who12Mo Yan was awarded the Nobel Prize for Literature in xx, _ made one of the Chinese peoples longheld dreams e true.解析：句意：莫言被授予xx年诺贝尔文学奖，这使得中国人长久以来拥有的梦想之一变成了现实。which引导非限制性定语从句，指代前面整个主句。答案：which13The president of the World Bank says he has a passion for China, _ he remembers starting as early as his childhood.解析：句意：世界银行主席说他对中国有一种情结，他记得这种情结始于他的儿童时代。先行词是a passion for China，且在定语从句中作starting的宾语，要用关系代词，在非限制性定语从句中用which。答案：which14The book tells stories of the earthquake through the eyes of those _ lives were affected.解析：句意：这本书从生活遭受地震影响的人们的视角讲述地震的故事。将先行词those代入定语从句后为：The lives of those were affected.由此可知先行词在从句中和lives是所属关系，从句中缺少定语，故填whose。答案：whose15The museum will open in the spring with an exhibition and a viewing platform _ visitors can watch the big glasshouses being built.解析：句意：博物馆将在春天开放，届时将有一个展览和一个观景平台。参观者可以在那个观景台上观看正在建设的大温室(玻璃暖房)。先行词为a viewing platform，将其代入定语从句后为：Visitors can watch the big glasshouses being built on the viewing platform.由此可见关系词在定语从句中作地点状语，故用where/on which。答案：where/on which16Finally he reached a lonely island _ was pletely cut off from the outside world.解析：句意：他最后到了一座完全与外面世界隔绝的孤岛上。定语从句修饰的先行词是island，将先行词代入定语从句后为：The island was pletely cut off from the outside world.由此可见先行词在定语从句中作主语，且先行词表示“物”，可以用which或that引导。答案：which/that17John invited about 40 people to his wedding, most of _ are family members.解析：句意：约翰邀请了大约40人参加他的婚礼，他们当中绝大部分都是自家人。在定语从句中如果介词放在关系代词之前，且先行词指人时，从句中关系代词只能使用whom。答案：whom18We have launched another manmade satellite, _ is announced in todays newspaper.解析：句意：我们又发射了一颗人造卫星，这件事是在今天的报纸上宣布的。设空处引导非限制性定语从句，先行词为前面一句话，关系词在定语从句中作主语，故用which/as引导。答案：which/as19Many countries are now setting up national parks _animals and plants can be protected.解析：句意：很多国家现在都在建立国家公园，在那里动植物能够受到保护。先行词为national parks，代入定语从句后为：In the national parks animals and plants can be protected.故使用表示地点的关系副词where或in which引导定语从句。答案：where/in which20When I arrived, Bryan took me to see the house _ I would be staying.解析：句意：在我到达后，Bryan带我去看了我将要住的房子。先行词the house表示地点，还原到定语从句中为：I would be staying in the house.故应使用关系副词where或in which引导定语从句。答案：where/in which第二组名词性从句1The shocking news made me realize _ terrible problems we would face.解析：句意：这条令人震惊的消息让我意识到我们将面临多么可怕的问题。本题考查感叹句作宾语从句。感叹句中what所修饰的中心词是名词，how所修饰的中心词是形容词或副词。此题中空格处后面部分的中心词是名词problems，所以用what。答案：what2_ Barbara Jones offers to her fans is honesty and happiness.解析：句意：Barbara Jones展现给她的粉丝们的是真诚和快乐。what 引导主语从句，在从句中作offers的宾语。答案：What3When the news came _ the war broke out, he decided to serve in the army.解析：句意：当战争爆发的消息传来时，他决定参军。考查同位语从句，因为从句不缺成分，且意义完整，所以填that。答案：that4As many as five courses are provided, and you are free to choose _ suits you best.解析：句意：这里有五门课程供你选择，你可以自由选择任何一门最适合你的。choose后的从句中缺少主语，题干中已给出选择的范围As many as five courses are provided，因此填写whichever符合语境。答案：whichever5Scientists study _ human brains work to make puters.解析：句意：为了制造电脑，科学家们研究人的大脑是如何工作的。根据句意可知空格处表示方式，故用how引导，意为“如何”。答案：how6It suddenly occurred to him _ he had left his keys in the office.解析：句意：他突然想起他把钥匙落在办公室里了。“It occurs to sb.that.”句型表示“某人(突然)想起”，其中It为形式主语，真正的主语为that引导的从句。答案：that7I made a promise to myself _ this year, my first year in high school, would be different.解析：句意：我向自己保证：今年我高中的第一年将会是不同寻常的一年。分析句意可知空格处引导的是同位语从句，解释说明promise的内容，并且此从句结构和意义完整，故用that引导。答案：that8The notice came around two in the afternoon _ the meeting would be postponed.解析：句意：下午两点左右，有人通知说会议要推迟了。came around two in the afternoon把名词notice及其同位语从句分隔开来，增加了题目的难度。同位语从句结构和意义完整，所以用that引导。答案：that9Jerry did not regret giving the ment but felt _ he could have expressed it differently.解析：句意：Jerry并不后悔作了点评，只是他觉得他本可以用另外的方式来表达的。本题中felt后的宾语从句结构和意义完整，故用that引导。答案：that10It is by no means clear _ the president can do to end the strike.解析：句意：总统可能采取什么措施来结束罢工一点都不清楚。it为形式主语，空格处引导的从句为真正的主语。从句中do后缺少宾语，故由what引导该主语从句。答案：what11_ you said at the meeting describes a bright future for the pany.解析：句意：你在会上的讲话描述了公司的光明未来。考查主语从句，what在主语从句中作宾语。答案：What12It remains to be seen _ the newly formed mittees policy can be put into practice.解析：句意：新组成的委员会制定的政策是否能实施还有待观察。题干中it是形式主语，空格处引导主语从句，whether符合句意。答案：whether13_ one of you breaks the window will have to pay for it.解析：句意：你们之中不管是谁打破了窗户，都要赔偿。空格处引导主语从句，引导词修饰、限制后面的one，且表示在限定范围(you)中的任何一个，故用whichever，意为“无论哪一个”。答案：Whichever14From space, the earth looks blue. This is _ about seventyone percent of its surface is covered by water.解析：句意：从太空看，地球是蓝色的。这是因为地球表面大约71%都被水覆盖着。根据句意，此处填写because引导表语从句。答案：because15Do not let any failures discourage you, for you can never tell _ close you may be to victory.解析：句意：不要因失败而泄气，因为你永远也不会知道成功可能离你有多近。“_ close you may be to victory”为宾语从句，空后的close为形容词，故填how。答案：how16The only way to succeed at the highest level is to have total belief _ you are better than anyone else on the sports field.解析：句意：在最高水平上取得成功的唯一方法就是要完全相信在(那个)运动场上，你比其他任何人都优秀。本题空格处引导的句子为同位语从句，从句结构和意义完整，填that。答案：that17_ struck me most in the movie was the fathers deep love for his son.解析：句意：影片中最打动我的是那位父亲对他儿子深厚的爱。该从句为主语从句。主语从句中缺少主语且表“物”，故用what。答案：What18_ I want to tell you is the deep love and respect I have for my parents.解析：句意：我想告诉你的是我对父母的深爱和敬重。考查what引导的主语从句，因为主语从句中缺宾语且表示物，所以填what。答案：What19Experts believe _ people can waste less food by shopping only when it is necessary.解析：句意：专家认为，人们可以通过只有需要(食物)时才购物这一方法来减少更多食物的浪费。该从句为宾语从句。空格处引导的宾语从句的结构和意思都很完整，故用that。答案：that20_makes the book so extraordinary is the creative imagination of the writer.解析：句意：让这本书如此不同寻常的是作者创造性的想象力。空格处引导主语从句，从句缺少主语成分，且指的是“事物”，故用what引导。答案：What第三组状语从句1If a lot of people say a film is not good, I wont bother to see it, or Ill wait _ it es out on DVD.解析：句意：如果很多人都说一部电影不好看，我就不会花时间去(电影院)看，或者我会等到它的DVD出版。答案：until/till2It was a nice meal, _ a little expensive.解析：句意：尽管这顿饭有点贵，但还是不错的一餐。由语境中两个关键词nice和expensive可得知，这里表示让步，故填though/although。答案：though/although3Try _ she might, Sue couldnt get the door open.解析：句意：虽然Sue试着开门，但是她打不开。as/though引导让步状语从句时意为“虽然”，要求从句使用形式倒装，即从句中的表语、状语或动词原形置于as/though前。此句中设空前为动词原形Try，符合as/though的用法。答案：as/though4He had no sooner finished his speech _ the students started cheering.解析：句意：他一讲完，学生们就开始欢呼起来。考查no sooner .than .“一就”句型。答案：than5If you happen to get lost in the wild, youd better stay _ you are and wait for help.解析：句意：如果你碰巧在荒野迷路了，你最好待在原地等待救援。考查地点状语从句，故填where。答案：where6Coach, can I continue with the training?Sorry, you cant _ you havent recovered from the knee injury.解析：句意：教练，我可以继续训练吗？抱歉，不行，因为你膝盖上的伤还没有恢复。考查原因状语从句，所以填as/because。答案：as/because7All the photographs in this book, _ stated otherwise, date from the 1950s.解析：句意：书中所有的照片都可追溯到20世纪50年代，除非另有说明。将从句部分展开为：unless all the photographs are stated otherwise。答案：unless8Hot _ the night air was, we slept deeply because we were so tired after the long journey.解析：句意：尽管晚上很热，但由于长途旅行的劳累，我们还是睡得很熟。本题考查让步状语从句。as，though引导让步状语从句时，句子常用形式倒装。答案：as/though9A number of high buildings have arisen _ there was nothing a year ago but ruins.解析：句意：许多高楼大厦在一年前曾经是废墟的地方拔地而起。arise是不及物动词，设空处引导地点状语从句，故填where。答案：where10He smiled politely _ Mary apologized for her drunken friends.解析：句意：当Mary替她醉酒的朋友致歉时，他礼貌地笑了。考查时间状语从句，根据句意可知填as/when。答案：as/when11_ hard you try, it is difficult to lose weight without cutting down the amount you eat.解析：句意：不管你多么努力，如果不减少食量，想要减肥会很难。设空处引导让步状语从句，根据空后的副词hard可知空格处应填However或No matter how。答案：However/No matter how12_ I always felt I would pass the exam, I never thought I would get an A.解析：句意：虽然我总是感觉我会通过考试，但我根本没想到我会得A。考查让步状语从句，所以填While/Though/Although。答案：While/Though/Although13It is hard for the Greek government to get over the present difficulties _ it gets more financial support from the European Union.解析：句意：除非从欧盟获取更多的财政支持，否则希腊政府很难克服目前的困难。unless除非。答案：unless14Everything was placed exactly _ he wanted it for the graduation ceremony.解析：句意：为了毕业典礼，他把一切都放在了他想放的地方。根据was placed(被放在)可知其后为地点状语。答案：where15I had hardly got to the office _ my wife phoned me to go back home at once.解析：句意：我刚到办公室，妻子就打电话让我回家。考查时间状语从句。根据句型hardly .when .一/刚就可知填when。答案：when16I have heard a lot of good things about you _ I came back from abroad.解析：句意：自我从国外回来以来，已听到不少关于你的好事情。空格前的句子使用了现在完成时，空格后是过去时，符合since“自从以来”的用法。答案：since17She says that shell have to close the shop _ business improves.解析：句意：她说如果生意还没有起色的话，就不得不把店关掉。根据语境可知，此处应该是表达商店关门的条件，即if business doesnt improve，故用unless(if .not)。答案：unless18Its much easier to make friends _ you have similar interests.解析：句意：当你们有相似兴趣的时候，交朋友就容易多了。when当(某种条件出现)时会(产生某种状况)。答案：when19You must learn to consult your feelings and your reason _ you reach any decision.解析：句意：在做任何决定之前，你必须学会兼顾自己的情感和理智。before在之前。答案：before20Mark needs to learn Chinese _ his pany is opening a branch in Beijing.解析：句意：马克需要学习汉语，因为他的公司正准备在北京开一家分公司。考查原因状语从句，所以填since/now that/as/because。答案：since/now that/as/because专题模拟考点一并列句1.Your task is not to avoid failures, _ to plan for them.解析：根据前文的not，填but，not .but .“不是而是”。答案：but2.Are you going to sit there all day plaining, _ are you going to fish?解析：句意：你是整天坐在这儿抱怨呢，还是打算捕鱼呢？这是一个选择疑问句，故用or来连接。答案：or3.I think wed better keep to the subject, _ well waste our time.解析：句意：我认为我们最好不偏离主题，否则我们就会浪费时间。根据空前后两个分句之间的关系判断此处表示“否则”，故要用or。答案：or4.Not only did reading enrich her knowledge _ it improved her learning scores.解析：本句是一个固定搭配not only .but also .“不但而且”。句意：阅读不但丰富了她的知识还提高了她的学习成绩。答案：but(also)5.Williams would often spend weeks deciding how a character should sound and this “voice” determined his approach to each role. _ even after he had chosen his “voice”， he didnt always stick to it.解析：空前后两个句子之间是转折关系。故填But。答案：But6.Everyone tells me Im a good speaker, _ I really dont like speaking in public.解析：句意：每个人都告诉我，我是个优秀的演讲人，但是我真的不喜欢在公共场合演讲。根据句意可知，前后两句是转折关系，所以用连词but。答案：but7.Never lose heart _ youll make a quick advance in your project.解析：句意：别灰心，你很快会在这个项目上取得进展的。此处使用了“祈使句and/or陈述句”结构，根据句意可知，前后为顺承关系，应填and。答案：and8.Youre well prepared for the job interview, _ theres no need for you to get so nervous.解析：句意：你为工作面试做了充分的准备，因此你没必要这么紧张。空处前后两句在语意上为因果关系，故用so，表示“因此，所以”。答案：so9.We cant wait any longer _ well miss the plane.解析：句意：我们不能再等了，否则就会错过飞机。根据句意填or。答案：or10.The road back home may be difficult before the Spring Festival, _ the desire to get together with family members can never be stopped.解析：句意：春节前回家的路可能很难走，但是回家与家人团聚的渴望是永远不能被阻止的。此处前后两句之间是转折关系，所以填but或yet。答案：but/yet考点二复合句第一组定语从句1.Scientists have searched for a long time for a reason _ so many bees are disappearing.解析：分析句子结构可知空格后为一定语从句。先行词是a reason，关系词在定语从句so many bees are disappearing中作状语，故用why来引导。答案：why2.I walked her to the car and opened the car door for her, _ won me her big smile and gratitude.解析：分析句子结构可知，空格前为逗号，没有连词，且空格后为动词的过去式，所以空格后为定语从句且从句中缺少主语；根据句意，填which，which引导非限制性定语从句，代替前面的整个句子的内容。答案：which3.When performing a scene _ there were few laughs, he would often make up his own jokes, which always entertained the audience, but sometimes also ruined the scene.解析：空后是定语从句。从句中缺少地点状语，故判断填where。答案：where4.Im glad to introduce Mr. Smith to you, without _ consideration our project would have ended in failure.解析：句意：我非常感激史密斯教授，没有他的认真考虑我们的项目就会以失败告终。先行词为Mr.Smith，在定语从句中应表示为“without his consideration”，作定语，故用whose。答案：whose5.Taking drugs has bee part of every sport _ athletes seek to achieve beyond their natural limits.解析：句意：吸毒已经成为每个体育项目的一部分，在那里运动员追求超越极限的成功。定语从句中缺少地点状语，故用where。答案：where6.When did you know Mr. Wang?It was last month _ he was knocked down by a motorbike.解析：句意：你什么时间认识王老师的？那是在上个月他被一辆摩托车撞倒时认识的。将答语还原就是：It was last month when he was knocked down by a motorbike that I knew Mr.Wang.。last month when he was knocked down by a motorbike是句子的被强调部分，when引导的是被强调部分的定语从句，先行词是last month，且从句中缺少时间状语，故填when。答案：when7.Life is like a long race _ we pete with others to go beyond ourselves.解析：句意：生命就像长跑比赛，在比赛过程中，我们与他人竞争并由此超越自己。 _ we pete with others to go beyond ourselves是定语从句，先行词是表示抽象地点的race且从句中缺少状语，所以填where。之所以不用that，是因为that在定语从句中只能作主语或宾语，而该从句并不缺少主语，也不需要宾语。答案：where8.Julie enjoyed reading when young. She grew up in a key middle school in her city, _ her parents both taught Chinese.解析：本句是一个定语从句，先行词是a key middle school，后面的定语从句中句子结构很完整，所以使用关系副词引导；因为先行词是一个表示地点的名词，所以使用关系副词where来引导这个定语从句。答案：where9.My uncle has a large greenhouse in his garden _ he grows vegetables in winter.解析：句意：我的叔叔在他的花园里有一个大的温室，在那里他冬季种植蔬菜。先行词是a large greenhouse，定语从句中缺少地点状语，应用where引导。答案：where10.The results of the experiment proved to be very good, _ was more than we expected.解析：句意：实验的结果证明很好，这远远超出我们的想象。题干中的逗号前是主句，逗号后是定语从句，所以填which，which表示主句造成的结果，代表主句的内容。答案：which11.In ancient Egypt, green represented hope and spring, _ is the time of year _ things in nature start to grow after a long winter.解析：句意：在古埃及，绿色代表希望和春天，它是一年中自然万物在经历漫长的冬天之后开始复苏。第一空的先行词是spring，is前缺少主语，应填which；第二空的先行词是year，空后的从句中不缺少主语或宾语，先行词表示时间，从句中缺少时间状语，故填when。答案：which; when12.Running Man is such a funny reality show _ has the gravity to pull you in front of your television.解析：句意：奔跑吧，兄弟是一档如此有趣的真人秀节目，以至于有吸引你观看的引力。先行词show被such修饰，定语从句应用as引导。答案：as13.There are times _ you have to act from the heart.解析：句意：人有些时候得凭良心做事。times为先行词，定语从句中缺少时间状语，应用when引导。答案：when14. Theres no longer a particular year _ one goes to school or goes to work or gets married or starts a family.解析：先行词为year，空后的定语从句中缺少时间状语，故填when。答案：when15.Five men dragged a Volvo XC60 car, _ the owner claims has a technical fault in Xian on Monday.解析：句意：五个男士拉了一辆Volvo XC60小汽车，它的主人宣称该车周一在西安出了技术问题。定语从句中claim的宾语从句中缺少has的主语，先行词是car，非限制性定语从句中缺少主语，故只能用which。答案：which16.In xx, such important reform policies associated with the interests of the general public were introduced in China _ almost each person could benefit from in life.解析：句意：在xx年，如此重要的涉及社会公众利益的改革措施引入到中国，每一个人都会从中获益。根据先行词前面的such可知，此处要用as来引导限制性定语从句。答案：as17.Anne Bowman, a writer, _ recently made a study，asked 125 undergraduate students to rank two groups of photographs, one of men and one of women，in the order of attractiveness.解析：此处为定语从句，先行词为writer，非限制性定语从句中缺少主语，故用who。答案：who18.Nowadays many volunteers are working in areas _ have dry climates, such as Kenya and Sudan.解析：句意：现在许多志愿者正在干旱气候，比如肯尼亚和苏丹地区工作。先行词为areas，定语从句中缺少主语，应填which或that。答案：which/that19.In order to support Dubai Autism Centers annual autism(自我中心主义) awareness campaign _ is organized for the whole month of April, it has been decided to donate the ine of the event to the Dubai Autism Center(DAC)解析：考查定语从句。根据句意，此处指代上半句的Dubai Autism Centers annual autism awareness campaign，在后半句中作is organized的主语，表示事物，故应用关系代词which或that来引导定语从句。答案：which/that20.When did you first read Mo Yans stories?In xx _ I was att