2020人教版高中英語(yǔ)同步練習(xí)：選修8 unit 2 period 2含答案

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1、2020學(xué)年人教版英語(yǔ)精品資料 Unit 2 Cloning Period 2 Learning about Language & Using Language 同步精練（人教版選修8，課標(biāo)通用） Ⅰ.短語(yǔ)填空 be bound to；in good condition；pass on...to...；in vain；from time to time；strike ...into ones heart；bring back to life；lead to；look back on；end in 1．He________ the course of struggle

2、in his book. 2．Too much work and too little rest often________illness. 3．The city was burnt down. It could hardly be__________ life. 4．Now，lets________the next question. 5．Keepers said the pandas were ____________. 6．I telephoned to my parents____________during I studied in college. 7．The word

3、 “cancer” still________terror________many peoples________. 8．The bad habit____________affect your health. 9．The football game__________a tie. 10．We tried____________to make him change his mind. 答案　1.looked back on　2.lead to　3.brought back to 4．pass on to　 5.in good condition　6.from time to t

4、ime 7．strikes；into；hearts　8.is bound to　 9.ended in 10．in vain Ⅱ.完成句子 1．不必為這封信操心，這不是急信。(bother about) ________ ________ ________the letter, its not urgent. 2．采收勞動(dòng)果實(shí)的喜悅不時(shí)流露在他們的臉上。(from time to time) The joy of harvesting can be seen on their face________ ________ ________ ________. 3．你越努力

5、，進(jìn)步就越快。(the＋比較級(jí)，the＋比較級(jí)) ________ ________you work，________ ________progress you will get. 4．即使太陽(yáng)從西邊出，我對(duì)你的愛(ài)也不會(huì)變。(虛擬語(yǔ)氣) If the sun________ ________ ________in the west，my love for you________ ________ ________. 5．這是因?yàn)橛性S多粗心大意之人。(表語(yǔ)從句) ________ ________ ________there are many careless and tho

6、ughtless people. 答案　1.Dont bother about　2.from time to time　3.The harder；the more　4.were to rise；would not change　5.This is because Ⅲ.單項(xiàng)填空 1．—We could invite John and Barbara to the Friday night party. —Yes，________？ Ill give them a call right now. A．why not B．what fo

7、r C．why D．what 解析　考查情景交際。根據(jù)Ill give them a call right now.可知第二個(gè)說(shuō)話者同意第一個(gè)人的提議。why not？“為什么不呢”可表示同意他人的建議。故選A。 答案　A 2．A terrible flood________the areas along the Changjiang River this summer. A．strike B．strict C．struck D．stick 解析　句意：今年夏天，一場(chǎng)可怕的洪災(zāi)襲擊了長(zhǎng)

8、江沿岸地區(qū)。由句意知該句用一般過(guò)去式，strike的過(guò)去式為struck。 答案　C 3．His girlfriend couldnt resist________him about his family background. A．to ask B．a(chǎn)sking C．a(chǎn)sk D．a(chǎn)bout asking 解析　cant resist doing sth禁不住做某事。句意：他的女朋友禁不住問(wèn)到他的家庭背景。 答案　B 4．You dont have to be angry. He________wanted to

9、know the truth. A．hardly B．successfully C．merely D．a(chǎn)wfully 解析　句意：你不必生氣，他僅僅想知道真相。故選C。 答案　C 5．________， the more it makes them cry. A．The more they like the book B．More they like the book C．They like the book more D．They like more the book 解析　考查“the ＋比

10、較級(jí)，the ＋ 比較級(jí)”句型。句意：他們?cè)较矚g這本書(shū)，它就讓他們?cè)较肟蕖? 答案　A 6．—Good morning，sir. Can I help you? —I d like a barbecue together with a cup of orange juice. How much do you________？ A．pay B．offer C．charge D．owe 解析　考查動(dòng)詞辨析。pay“付錢(qián)”；offer“提供”；charge“要價(jià)；控告；充電”；owe“欠(債)”。根據(jù)句意可知C項(xiàng)正確。 答案　C 7

11、．—Havent you heard the news? —What news? —Some of the workers are________while others are________. A．on the march; on strike B．on march; on strike C．on the march; on the strike D．on the strike; on march 解析　考查短語(yǔ)搭配。句意：——你聽(tīng)到這個(gè)消息了嗎？——什么消息？——一些工人在游行，另一些工人在罷工。on march游行；on strike罷工。選B。 答案

12、　B 8．—Why are you going to________from that company.Dont forget its a highpaid job? —Because I dont like the way they________me. A．leave；think B．retire；regard C．resign；treat D．design；behave 解析　resign 辭職； treat 對(duì)待； retire 退休。 答案　C 9. In Scotland, as in the rest o

13、f the United Kingdom，________schooling begins at age 5 and ends at age 16. A．compelling B．forced C．obliged D．compulsory 解析　句意：蘇格蘭跟英國(guó)其他地方一樣，義務(wù)教育從5歲開(kāi)始，16歲結(jié)束。compelling，forced和obliged均含有“強(qiáng)制”之意，因此不符合題意；compulsory意為“必修的，規(guī)定的，強(qiáng)迫的”，強(qiáng)調(diào)根據(jù)法律或命令必須執(zhí)行的事。 答案　D 10．Fitness is impo

14、rtant in sport, but of at least________importance are skills. A．fair B．reasonable C．equal D．proper 解析　考查形容詞詞語(yǔ)辨析。句意：雖然健康的體格是從事體育運(yùn)動(dòng)的重要條件，而掌握技能至少也是同等重要的。fair 公正的；reasonable 合理的；equal 平等的，同樣的；proper 合適的，適當(dāng)?shù)?。注意此句中but后面的分句為倒裝句，of importance等于important作表語(yǔ)，作者實(shí)際上是拿skills和fitne

15、ss作對(duì)照，強(qiáng)調(diào)二者同等重要。根據(jù)語(yǔ)境判斷，此處用equal最為合適。 答案　C 11. They failed to pass the exam last time; I regretted________. A．to be not able to help B．being unable to help C．being not able to helping D．not be able to help 解析　句意：上次他們沒(méi)有通過(guò)考試， 我后悔沒(méi)能幫他們一把?？疾閯?dòng)詞regret的用法。regret＋to do sth對(duì)尚未做的或正在做的事表示遺憾。 答案　B

16、 12. The truck driver was fined for exceeding the speed________. A．range B．limit C．rule D．regulation 解析　句意：卡車(chē)司機(jī)因超速而被罰款。limit意為“限制； 界限”； range意為“(知識(shí)、知覺(jué)、聽(tīng)覺(jué)等的)范圍”； regulation意為“規(guī)定， 規(guī)則”； rule和regulation是近義詞， 意為“規(guī)定， 規(guī)章”。 答案　B 13．Many pure metals have little use

17、 because they are too soft, rust too easily, or have some other________. A．drawbacks B．strength C．a(chǎn)dvantages D．errors 解析　句意：許多純金屬幾乎沒(méi)用，因?yàn)樗鼈兲洠菀咨P，或者有一些其他的缺點(diǎn)。drawback缺點(diǎn)，不利條件；strength力氣，強(qiáng)度，力量，長(zhǎng)處；advantage優(yōu)勢(shì)，有利條件；errors錯(cuò)誤，過(guò)失，誤差，謬誤。 答案　A 14．________that the demand fo

18、r power continues to rise at the current rate, it will not be long before traditional sources become lack. A．Concerning B．Assuming C．Regarding D．Certaining 解析　考查固定用法。句意：如果能源需求以目前的速度繼續(xù)增長(zhǎng)，傳統(tǒng)能源不久就會(huì)匱乏。assuming (that)．..假定……，為固定用法。故選B。 答案　B 15. Im sorry to

19、have________you with so many questions on such an occasion. A．a(chǎn)ffected B．impressed C．bothered D．taken 解析　句意：我對(duì)在這樣一個(gè)場(chǎng)合就那么多問(wèn)題打擾你感到十分抱歉。故選C。 答案　C Ⅳ.閱讀理解 A Research advances over the past decade have told us that, with a little work, we humans can clone jus

20、t about anything we want, from frogs to monkeys 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 purposes Of all the reasons, cloning for medical purposes most probably benefit large

21、 numbers of people. Cloning technologies 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 (干細(xì)胞) for research Stem cells are the bodys bulding blocks which might be used to repair d

22、amaged or diseased organs and tissues. Researchers 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 species Dinosaur was an extinct species. Could we really clone dinosaurs? In theory? Y

23、es. What would you need to do this? A wellpreserved 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. Howeve

24、r, scientists have tried to clone species that became 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 decreased child.However, there are the risks inv

25、olved.For example，how sure can we be that a cloned baby will be healthy or what might go wrong? 【語(yǔ)篇解讀】 為什么要研究克隆技術(shù)？它對(duì)人類(lèi)有利的方面是什么？ 1．Whats the main idea of the whole passage? A．Why people use cloning. B．How to clone animals. C．Cloning is of great use for people and animals. D．The development

26、of cloning. 解析　主旨大意題。由第一段可知。 答案　A 2．Which of the following is TRUE according to the passage? A．Cloning is mainly used for cloning human beings. B．In the far future, we will have the live dinosaurs on earth. C．Cloning human beings may cause a lot of trouble. D．Genetically human stem cell

27、s are used for cloning human beings. 解析　細(xì)節(jié)理解題。由最后一段最后兩句可知。 答案　C 3．The underlined phrase “infertile couples” in the last paragraph probably means________. A．couples who just married B．couples who are unable to bear children C．couples who dont like bearing children D．couples who want to b

28、ear more children 解析　推理判斷題。沒(méi)有生育能力的父母會(huì)想到用克隆的方法擁有自己的孩子。 答案　B 4．According to the passage，the reason why people want to clone humans is that________. A．it can make people live longer B．it can help infertile couples have children C．it can replace a deceased child for the couple D．B and C 解

29、析　細(xì)節(jié)理解題。由最后一段第二句可知。 答案　D B The Human Genome(基因組) Project, a great $3 billion, 15－year task aimed at drawing the genetic(遺傳的) map of humans, is now more than 90 percent completed. The scientific and medical communities(團(tuán)體) are very excited about the chances genetic research provides for getting r

30、id of diseases and prolonging(延長(zhǎng)) human life. But those communities and policy(政策) makers also are careful about the scientific door they are opening as the project uncovers the mysteries of life. For the last few years, the genetic advances in the developing field of biotechnology(生物技術(shù)) have provi

31、des material for all kinds of work, but the developments of modern science in unlocking the secrets of the human genetic code(密碼) have opened a world of possibilities for human health, as well as for the popular imagination. While European and Japanese researchers are making rapid progress in decod

32、ing(解碼) human DNA, the leading organization for genetic research is in the United States, which began in 1990, is “unlocking the code” of the human body to learn how to defeat fatal(致命的)diseases. Already, the Human Genome Project has become widely known and praised for finding the genes(基因) conne

33、cted with terrible diseases as yet(迄今), and making progress toward separating the genes that show a sign of breast cancer or AIDS. Once these genes are found and studied, researchers can develop new ways to attack infections(傳染), and genetic diseases. Medical companies are very interested in mappin

34、g the human genome, as they expect to develop a lot of new drugs for these illnesses. 【語(yǔ)篇解讀】 繪制人類(lèi)基因組圖，這將意味著人類(lèi)消滅癌癥、艾滋病的危害，延長(zhǎng)人類(lèi)壽命將成為現(xiàn)實(shí)。 5．Why did the scientists work hard at mapping the human genome? A．Because the human genome can destroy many illnesses. B．Because the human genomes completion ca

35、n help them get rid of many diseases. C．Because they wanted to be better known than others. D．Because the human genome can provide a lot of chances of work. 解析　語(yǔ)義理解題。從文章最后一段第一句話Once these genes are found and studied, researchers can develop new ways to attack infections(傳染), and genetic disea

36、ses 可以看出科學(xué)家們完成人類(lèi)基因組圖的目的。 答案　B 6．Which country studied the genes most rapidly in the world? A．Japan. B．Germany. C．The United States. D．China. 解析　細(xì)節(jié)理解題。因?yàn)椋?.the leading organization for genetic research is in the United States，所以選C。 答案　C 7．Which of the following

37、is NOT true? A．If the genes can be found, scientists can study many new ways to cure illnesses. B．The scientists have made great progress in connecting the genes with the cancers. C．Many medical companies show great interest in drawing the human genome map. D．The United States began the Ge

38、nes Study early in the 19th century. 解析　推理判斷題。美國(guó)是在 1990 年，即 20 世紀(jì)末開(kāi)始繪制人類(lèi)基因組圖的，所以選D。 答案　D 8．The author suggests that the Human Genome Project can cause________. A．the policy makers to feel very worried and careful B．the scientists to work harder C．many people to find work easily D．a(chǎn) lot of companies to produce many new drugs 解析　推理判斷題。從文章內(nèi)容可知，人類(lèi)基因組圖的完成將有助于科學(xué)家們攻克一系列難關(guān)。所以，他們?cè)诟Φ靥骄俊? 答案　B