人教版高中英语选修八课时作业：Unit 2　CloningSection Ⅲ　GrammarWriting Word版含答案精修版

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1、人教版英语精品资料（精修版）2.3 新提升课时作业.用适当的连接词填空1Many experts hold the view _ teacher development is _ the key to better education lies.2A story goes _ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.3Word came _ I was wanted at the office.4The fact _ the

2、y managed to complete the task in such a short time surprised us all.5Wives in that country lived in fear _ their husbands might be killed.6The thought _ he might fail in the exam worried him.7Here comes the question _ we should do to deal with so much ewaste.8Tomorrow is Kates birthday. Have you go

3、t any idea _ the party is to be held, at home or in the restaurant?9The notice came around two in the afternoon _ the meeting would be postponed.10It seemed to me that she was in doubt _ Timmy lived or died.答案：1.that; where2.that3.that4.that5.that6that7.what8.where9.that10.whether.把下面的句子改为含有同位语从句的复合

4、句1We are worried a bit because great Auks and Quaggas have been extinct._2Do you know what we can do with these waste materials?_3They are arguing about whether we can clone human beings._4Everyone should believe that nature should never be destroyed._5She has promised to make experiments on cloning

5、 bison._答案：1The fact worries us a bit that great Auks and Quaggas have been extinct.2Do you have any idea what we can do with these waste materials?3They are having an argument whether we can clone human beings.4Everyone should have the belief that nature should never be destroyed.5She has made a pr

6、omise that she should make experiments on cloning bison.完成句子1_ (毫无疑问) he has told lies.2We were surprised by the fact _ (他过去是个小偷)3_ (消息传来) our team had won the match.4This is our only request _ (这件事情被解决) as soon as possible.5You have no idea _ (我是多么担心) at that moment!答案：1There is no doubt that2.that

7、 he used to be a thief3.Word came that4.that this should be settled5.how anxious I was.单句改错1There was a suggestion that Brown must be dropped from the team._2I have no idea that he will come back._3The question if it is right or wrong depends on the result._4The thought came to him when maybe the en

8、emy had fled the city._5The order soon came all citizens should leave the village._答案：1mustshould2.thatwhen或whether3ifwhether4.whenthat5.came后加that.阅读理解AResearch advances over the past decade have told us that, with a little work, we humans can clone just about anything we want, from frogs to monkey

9、s and probably even ourselves! So，we can clone things，but why would we want to? Lets look at some of the reasons people give to justify cloning.1. Cloning for medical purposesOf all the reasons, cloning for medical purposes has the most potential to benefit a large number of people. Cloning technolo

10、gies might reduce the time needed to make a transgenic animal model, and the result would be a population of genetically identical animals for study.2. Cloning stem cells for researchStem cells are the bodys building blocks which might be used to repair damaged or diseased organs and tissues. Resear

11、chers are currently looking toward cloning as a way to create genetically defined human stem cells for research and medical purposes.3. Reviving endangered or extinct speciesDinosaur was an extinct species. Could we really clone dinosaurs? In theory? Yes. What would you need to do this? A wellpreser

12、ved source of DNA from the extinct dinosaur, and a closely related species，currently living, that could serve as a surrogate (代用的) mother. In reality? Probably not. Its not likely that dinosaur DNA could survive undamaged for such a long time. However, scientists have tried to clone species that bec

13、ame extinct more recently, using DNA from wellpreserved tissue samples. 4. Cloning humans?Why would anyone want to clone humans? Some reasons are to help infertile_couples have children or to replace a deceased child. However, there are the risks involved. For example, how sure can we be that a clon

14、ed baby will be healthy or what might go wrong?1Whats the main idea of the whole passage?AWhy people want to use cloning.BHow to clone animals.CCloning is of great use for people and animals.DThe development of cloning.2Which of the following is TRUE according to the passage?ACloning is mainly used

15、for cloning human beings.BIn the far future，we will have the live dinosaurs on earth.CCloning human beings may cause a lot of trouble.DGenetically human stem cells are used for cloning human beings.3The underlined phrase “infertile couples” in the last paragraph probably means _.Acouples who just ma

16、rriedBcouples who are unable to bear childrenCcouples who dont like bearing childrenDcouples who want to bear more children4According to the passage, the reason why people want to clone humans is that _.Ait can make people live longerBit can help infertile couples have childrenCit can replace a dece

17、ased child for the coupleDB and C答案与解析：人们认为通过克隆可以复制一切生物，并提出了克隆的几个理由来支持克隆，如出于医疗目的的克隆、克隆干细胞进行研究、拯救濒危的或灭绝的动物。有人甚至希望通过克隆来实现不能生育的夫妇拥有自己孩子的梦想。1解析：主旨大意题。从第一段最后提出的问题及四个副标题可以看出，本文讲述的是人类最想要使用克隆技术的原因，故选A项。答案：A2解析：细节理解题。A项中mainly的表述不正确；B项信息与事实不符；根据最后一段内容可知，克隆人类会引起很多麻烦(However, there are the risks involved.)；D项信

18、息在原文中未提到。答案：C3解析：词义猜测题。通过画线短语所在的句子可以推断出infertile couples的意思为“不能生育的夫妇”。答案：B4解析：细节理解题。根据最后一段第二句可知，人们想要克隆人类的理由是：帮助那些不能生育的夫妇或者代替那些夭折的孩子。故正确答案为D。答案：DBLincolns face is familiar to people all around the world, especially the face when he was wearing a beard. But he didnt wear a beard in his early life. Whe

19、n he acted as a judge and then a lawyer, he had two nicknames. The first was Honest Abe. And there are many stories of his honesty both as a child and as he went on throughout all of his life. His second nickname was Homely Abe. He was not goodlooking. Then something happened in 1860. That year Abe

20、Lincoln was the candidate(候选人) for President of the United States.Just a few weeks before the presidential election, Lincoln received a short letter from a girl who lived in New York State. Her name was Grace Bedell. Grace wrote to Lincoln about his homely face，but in a polite way. It was a very int

21、eresting letter. Here are some parts of it：I am a little girl only 11 years old，but I want you should be the President of the United States very much so I hope you wont think me very bold (鲁莽的) to write to such a great man as you are.I have got four brothers and part of them will vote for you anyway

22、，and if you let your beard grow，I will try to get the rest of them to vote for you. You would look a great deal better for your face is so thin. All the ladies like beard and they would ask their husbands to vote for you, and then you would be President.Lincoln took Grace Bedells advice, and over th

23、e next two weeks he did not shave. By election day on November 6th of 1860，he already had enough beard. And he did get elected. Maybe his new beard had something to do with that. And he did wear the beard for the rest of his life.5Which of the following can be the best title of this text?ALincoln an

24、d His BeardBLincoln and a Little GirlCA Little Girl and Her AdviceDLincoln and the Presidential Election6What kind of man is Lincoln according to the text?AWarmhearted and ugly.BHonest and ordinarylooking.CStrongwilled and patient.DCharacteristic and badtempered.7Grace Bedell wrote the letter in ord

25、er to _.Asuggest Lincoln shave his beardBhelp Lincoln to get more votesCgive Lincoln some advice on makeupDpersuade Lincoln to wear a beard8From the letter we can know that the little girl was very _.ApoliteBhelpfulCoptimistic Dmodest答案与解析：本文是一篇记叙文。文章主要讲述了一个小女孩给林肯写信让他留胡子，而林肯竟采纳了小女孩的意见，最后也赢得竞选的故事。5解析

26、：标题判断题。全文主要讲的是林肯的轶事，即他胡子的来历，故选A最合适。其余选项均不能全面地概括文章主旨。答案：A6解析：推理判断题。根据第一段中的“Honest Abe”“And there are .throughout all of his life.”可知，林肯很诚实；根据“Homely Abe”“He was not goodlooking.”及文章叙述的故事可推出，林肯的长相很普通。故选B。答案：B7解析：细节理解题。从倒数第二段我们可以了解到，小女孩写信就是为了建议林肯留胡子，这样会好看一些，所以说她写这封信的目的是劝说林肯留胡子。故选D。A项是建议林肯刮胡须，与文章不符；B项是帮

27、林肯多拉选票，这并不是她写信的目的；C项是给林肯提些化妆的建议，文中未提及。答案：D8解析：细节理解题。从第二段中的“but in a polite way”及小女孩信的内容可知，她是非常有礼貌的，故应选A。答案：A.短文改错We are going to take the College Entrance Exams in about ten days. Therefore, many students still dont know how to balance their study, rest and physical exercise while prepared for the E

28、xams. They usually devote too much time to go over their lessons, what results in poor health and low efficiency of learning.As the proverb goes, early to bed and early to rise make a man healthy, wealthy and wise. Wed better leave us enough time to rest and sleep since it enables us learn our lesso

29、ns more efficiently. Whats more, a strong and unhealthy body is the base for our further study, future work and creative activities.In the brief, as we are preparing for the Exams, dont forget that rest, exercise and study were equally important.答案：We are going to take the College Entrance Exams in

30、about ten days. ， many students still dont know how to balance their study, rest and physical exercise while for the Exams. They usually devote too much time to over their lessons, results in poor health and low efficiency of learning.As the proverb goes, early to bed and early to rise a man healthy

31、, wealthy and wise. Wed better leave enough time to rest and sleep since it enables us learn our lessons more efficiently. Whats more, a strong and body is the base for our further study, future work and creative activities.In brief, as we are preparing for the Exams, dont forget that rest, exercise and study equally important.