2020-2021学年高中英语 Unit 2 Cloning Section 3作业（含解析）新人教版选修8 (2).doc

1、Unit 2Section 请同学们认真完成练案6.单词拼写1. He couldnt resist (抵抗) laughing at the sight of the funny comic.2. She picked a large bunch of flowers for table decoration (装饰)3We adore (崇拜) him for his noble character.4. The great drawback (缺点；不利条件) to living on a main road is the constant noise.5. When asked, sh

2、e confirmed that she was going to retire (退休)6. Lots of people dont bother (操心) to go through a marriage ceremony these days.7. Economists are working on the assumption (假设) of an interest rate cut.8. Many workers went on a strike (罢工) for better living conditions.9. I think our offer is reasonable

3、(合情理的) and realistic.10. The brain accounts for merely (仅，只，不过) three percent of body weight.完成句子1Not having prepared well, you are bound to (一定会) suffer great losses in the commercial trade.2The considerate mother went upstairs to see if her baby was awake from time to time (时不时地)3It was the experi

4、enced doctor that brought (bring) her back to life after she stopped breathing so long.4In my opinion, it is in vain (徒劳无功的) to forbid teenagers to smoke.Its essential to enable them to realize the harm of smoking.5众所周知，对于鲍勃要给我们升工资这个承诺，他已经食言了。 It was known to all that Bob had broken his promise that

5、 he would give us a rise.6对于是否允许做人类克隆实验的话题，我们开展了一场热烈的讨论。 There was a fierce debate over the problem whether human cloning experiments should be allowed.7我不清楚到底他现在在哪里。 I have no idea where he is now.8据我所知道的，没有多大的可能通过克隆来让那些灭绝的动物复活，如恐龙。With what I know, there is little chance to bring those extinct ani

6、mals like dinosaurs back to life through cloning.9他的健康良好，所以他能抵抗各种疾病。That his health is in good condition indicates he can resist all kinds of diseases.10事情真相是很多移民都没有达成愿望，并不能在加利福尼亚州发财。 The truth was that many immigrants couldnt realize their dreams, without making great fortune in California.完形填空(202

7、0山东济南高三5月模拟)Luther Younger is a 99yearold loving husband.His wife came down with cancer nine years ago, and doctors 1.D shed have just five years to live. 2.A ， the couple have remained strong.Over the last nine years, Luther takes a sixmile 3.B every day to visit his wife in the hospital.He always

8、stays by her side, encouraging her, showering her with 4.C ， and their daily kiss.Luther could get a ride or even take the bus, but he 5.D to walk the whole journey to help clear his mind and to 6.A everything about his wife.Passersby often recognize Luther and stop to offer him a ride, but he 7.C t

9、heir kindness.His daily walk is 8.B of how much he loves his wife.Luthers daughter hoped he could 9.D accept rides, especially on extremely hot and snowy days, but Luther 10.A walking himself so she just lets him have it his way. 11.C walking sixmiles each day in the heat and snow would be too much,

10、 when youve walked through 12.A with someone, whats another six miles? Luther is always 13.B to leave his love before returning home, but he knows that each tomorrow, 14.D the weather, he will be on his way again.He cant bear to live a single day without 15.C his wife.文章大意：这是一篇记叙文。Luther的妻子患有癌症，医生说她

11、只剩五年时间，但是夫妻俩很坚强。Luther九年如一日的坚持每天步行去医院看妻子，展现了Luther对妻子深深的爱。1AreportedBimagined Cadvised Dthought解析：考查动词词义辨析。句意：他的妻子九年前患了癌症，医生认为她只剩五年时间了。A.reported报告；B.imagined想像；C.advised建议；D.thought 认为。妻子患癌症，医生的诊断认为(think)她只能活五年。故选D。2AHoweverBTherefore CInstead DBesides解析：考查副词词义辨析。句意：然而，这对夫妇很坚强。A.However然而；B.Theref

12、ore因此；C.Instead反而；D.Besides除此以外。空白前后是转折关系，应该用然而(However)。故选A。3AdriveBwalk CrideDflight解析：考查动词词义辨析。句意：在过去九年，Luther 每天走六英里去医院看妻子。A.drive驾驶；B.walk走路；C.ride骑车；D.flight飞行。下文but he 5 to walk the whole journey说明是走路(walk)去医院。故选B。4Arelief Btrust Clove Dsympathy解析：考查名词词义辨析。句意：他总是陪在她身边，鼓励她，让她沐浴在爱和他们每天的亲吻中。A.re

13、lief释放；B.trust信任；C.love爱；D.sympathy同情。下文His daily walk is 8 of how much he loves his wife.说明是他对妻子的爱(love)。故选C。5AagreesBhesitates CfailsDprefers解析：考查动词词义辨析。句意：Luther可以搭便车或者坐公共汽车，但是他更喜欢走完全程，来帮助他理清思路，回忆他妻子的一切。A.agrees同意；B.hesitates犹豫；C.fails失败；D.prefers更喜欢。与搭便车或坐公交相比，他更喜欢(prefer)走路。故选D。6ArecallBsuspect

14、 Cignore Ddiscover解析：考查动词词义辨析。句意：Luther可以搭便车或者坐公共汽车，但是他更喜欢走完全程，来帮助他理清思路，回忆他妻子的一切。A.recall回忆；B.suspect怀疑；C.ignore忽视；D.discover发现。妻子生病住院，丈夫只能在去看望妻子的路上回忆(recall)以前的事情。故选A。7Adislikes Bcorrects CdeclinesDconsiders解析：考查动词词义辨析。句意：路人经常认出Luther，停下来要载他一程，但他拒绝了他们的好意。A.dislikes不喜欢；B.corrects纠正；C.declines拒绝；D.co

15、nsiders考虑。前文Luther takes a sixmile 3 every day to visit his wife in the hospital说明他没搭车，所以是拒绝(decline)了别人。故选C。8Amotivation Bproof CtrialDorigin解析：考查名词词义辨析。句意：他每天走路证明了他是多么爱他的妻子。A.motivation动机；B.proof证明；C.trial审判；D.origin起源。根据上下文，丈夫九年如一日地走路去医院看妻子，是爱妻子的证明(proof)。故选B。9Aactually Bgradually Cfinally Doccas

16、ionally解析：考查副词词义辨析。句意：Luther的女儿希望他偶尔能接受乘车，尤其是在非常热和下雪天，但是Luther坚持自己走，所以她让他按自己的方式去做。A.actually实际上；B.gradually逐渐地；C.finally最终；D.occasionally偶尔地。下文especially on extremely hot and snowy days说明是偶尔(occasionally)坐车，故选D。10Ainsists on Bturns to Csets about Dtakes up解析：考查动词短语辨析。句意：Luther的女儿希望他偶尔能接受乘车，尤其是在非常热和下

17、雪天，但是Luther坚持自己走，所以她让他按自己的方式去做。A.insists on坚持；B.turns to转向；C.sets about开始；D.takes up从事。女儿希望他偶尔坐车，但Luther还是九年都自己走，是在坚持(insist on)。故选A。11ABecause BIf CWhileDUntil解析：考查连词词义辨析。句意：如果每天在热天和雪地里走六英里都太多了，那当你一生都跟某个人一起走，还有另一个六英里吗？A.Because因为；B.If如果；C.While然而；D.Until直到。根据语境，空白处意为“如果”(if)，符合语境。故选C。12AlifeBgrowth

18、 Cmarriage Dadulthood解析：考查名词词义辨析。句意：如果每天在热天和雪地里走六英里都太多了，那当你一生都跟某个人一起走，还有另一个六英里吗？A.life一生、生活；B.growth成长；C.marriage婚姻；D.adulthood成年。语境是将每天走六英里和走一辈子对比，life意为“一辈子、一生”。故选A。13Agrateful Bsad Ceager Dguilty解析：考查形容词词义辨析。句意：回家前，要离开他的爱，Luther 总是很难过，但他知道，每个明天不管天气怎样，他都会再一次上路。A.grateful感激的；B.sad难过的；C.eager渴望的；D.g

19、uilty内疚的。下文He cant bear to live a single day without 15 his wife.说明，离开妻子时，他会难过(sad)。故选B。14Athanks to Brather than Capart from Dregardless of解析：考查介词短语辨析。句意：回家前，要离开他的爱，Luther总是很难过，但他知道，每个明天不管天气怎样，他都会再一次上路。A.thanks to由于；B.rather than而不；C.apart from除了；D.regardless of 不管。前文Over the last nine years, Luthe

20、r takes a sixmile 3 every day to visit his wife in the hospital.说明Luther没有间断，所以不管(regardless of)天气如何，都会去。故选D。15Asupporting Bmentioning Cseeing Dcalling解析：考查动词词义辨析。句意：他不能忍受一天不见妻子。A.supporting支持；B.mentioning提到；C.seeing看见；D.calling打电话。根据前文Luther is always 13 to leave his love before returning home可知，离开

21、妻子会难过，因此看不见(see)她也一样让人难以忍受。故选C。.阅读理解Have you seen Jurassic Park? In this film, scientists use DNA kept for tens of millions of years to clone dinosaurs.They find trouble, however, when they realize that the cloned creatures are smarter and more dangerous than expected.Thats nothing more than a ficti

22、on.But could we really clone endangered animals?To date, the most successful attempt to do so was the cloning of a gaur (白肢野牛), a rare oxlike animal from Southeast Asia.Scientists used a cow to bring the cloned baby gaur, named Noah.Two days after birth, however, Noah died from a common bacterial in

23、fection.Other endangered species that may be cloned include the African bongo antelope, the Sumatran tiger, the cheetah (猎豹), and the giant panda.Next, could we really clone extinct animals?In theory? Yes.To do this, you need a wellkept source of DNA from the extinct animals such as woolly mammoth (

24、猛犸象), Tasmanian tiger, or even dinosaur, and a closely related species, still living, which could serve as a surrogate mother.In reality? Probably not.On the one hand, it is not likely that extinct animals DNA could survive undamaged for such a long time.Cloning extinct animals as woolly mammoth, Ta

25、smanian tiger, or dinosaur is much more difficult due to the lack of properly wellpreserved DNA.On the other hand, for example, a gaur can have a cow as a surrogate mother, definitely not a monkey.But what about an extinct animals as unique as the panda? What species could possibly serve as a surrog

26、ate mother?Cloning presents many exciting possibilities.However, even if extinct animals are brought back, they could not survive in todays world.Not only do most extinct animals have no habitat to live in, but the other plants and animals they depended on for food may also be gone as well.文章大意：本文主要

27、介绍了对克隆技术运用和前景的探讨。1It can be learned from the passage that C .Ascientists have cloned the African bongo antelope Bboth the cheetah and the giant panda live in AfricaCthe gaur lives in Asia and is endangeredDthe gaur is an extinct species解析：事实细节题。根据第二、三段“But could we really clone endangered animals? T

28、o date, the most successful attempt to do so was the cloning of a gaur, a rare oxlike animal from southeast Asia.”可知，白肢野牛生活在亚洲并且是濒临灭绝的动物。故答案选C正确。2The underlined words “a surrogate mother” probably refer to a female who B .Acontributes its eggs to another femaleBgives birth to a baby for another fema

29、leCgives birth to a baby of its ownDcannot give birth to a baby解析：猜测词义题。根据前文Scientists used a cow to bring the cloned baby gaur, named Noah.以及a closely related species, still living, which could serve as可知指的是代孕妈妈。3In the authors opinion, it is possible that A .Asome extinct species may be cloned, bu

30、t not surviveBextinct species may be cloned and easily surviveCa gaur can have a monkey as a surrogate mother Dall the extinct species may be cloned解析：推理判断题。根据最后一段内容可知。4Which of the following statements is true according to the passage？ D AJurassic Park is a cloned animal.BThe cloned creatures are t

31、he same to the real one.CWe could clone extinct animals in reality.DWe could clone extinct animals in theory.解析：事实细节题。根据稳重的Next, could we really clone extinct animals? In theory? Yes.To do this.可知答案选D正确。.语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。(2019全国卷)The polar bear is found in the Arctic Circle and so

32、me big land masses as far south as Newfoundland.While they are rare north of 88，there is evidence 1.that they range all the way across the Arctic，and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been 2.poorly (poor) st

33、udied；however，biologists calculate that there are about 20,00025,000 polar bears worldwide.Modern methods 3.of/for tracking polar bear populations have been employed only since the mid1980s，and are expensive 4.to perform (perform) consistently over a large area.In recent years some Inuit people in N

34、unavut 5.have reported (report) increases in bear sightings around human settlements，leading to a 6.belief (believe) that populations are increasing.Scientists have responded by 7.noting (note) that hungry bears may be congregating (聚集) around human settlements，leading to the illusion (错觉) that popu

35、lations are 8.higher (high) than they actually are. Of 9.the nineteen recognized polar bear subpopulations，three are declining，six 10.are (be) stable，one is increasing，and nine lack enough data.文章大意：本文是一篇说明文。文章介绍了北极熊种群数量越来越少、亟须保护的现状。解析：1考查同位语从句的引导词。分析句子结构可知，所填词引导同位语从句，解释说明evidence的具体内容，从句中不缺少成分且意义完整

36、，故用that引导。2考查词性转换之形容词变副词。修饰动词studied应用形容词poor的副词形式poorly。3考查介词。a method of/for doing sth.“做某事的方法。”4考查非谓语动词。此处是“主语beadj.不定式”结构，不定式用主动形式表示被动含义。5考查动词的时态。根据句中的时间状语in recent years可判断用现在完成时。6考查词性转换之动词变名词。根据空格前的不定冠词a可知，此处应填believe的名词形式belief(看法，信念)。7考查非谓语动词。介词后接动词时，应用其动名词形式。by doing sth.“通过某种方式”。8考查形容词比较级。

37、根据空格后的than可知，此处应用high的比较级形式higher。9考查冠词。此处特指确认的19个亚种群，故用定冠词the。10考查动词的时态和主谓一致。此处陈述客观事实，应用一般现在时；six指代six polar bear subpopulations，谓语动词应用复数。.应用文写作假定你是李华，最近发现邻居Alex练习打鼓(drum)的声音已经影响到了你的生活。请你给他写一封邮件，内容包括： 1.写信目的； 2.说明影响； 3.提出建议。 注意：1词数80左右； 2.可以适当增加细节，以使行文连贯。 参考范文：Dear Alex， Recently, your drumming has

38、 become a bit of a noise problem for us, and Im hoping we can discuss ways to solve it. The drumming is quite loud in the afternoons after school, and it is difficult for me to concentrate on my homework. Besides, when you play after 8：30 pm, the noise keeps my parents awake as their bedroom is on the west side of the house. I think it would help a lot if you could keep the window shut while playing. Shall we arrange a time convenient for both of us to brainstorm how to work this out?Yours，Li Hua