2019春高中英语人教版选修8练习：Unit 2 Cloning 含解析

Unit 2 Cloning李仕才一、阅读理解AEnjoying a musical performance no longer requires a costly ticket or a trip to a theater. These days, musicians are performing in private homes, at haircutting shops, at airports... even on ferry boats.Musicians like house concerts. At music clubs, they often have to perform over loud conversation or deal with people who have had too much alcohol. People at house concerts are more focused on listening to the music.Just a few hours before the Bombadils started singing at the O' Hair Salon, Lindsay was cutting hair and Tamera was doing facials. Then, they moved chairs and microphones to create a small performance space. The Bombadils made music in the front part of the hair salon, near the hairdryers and make­up tables.“T his is our first show at a hair salon，” Sarah Frank of the Bombadils told concertgoers at last week's performance. Frank said she and band members, Luke Fraser and Kaitlyn Raitz had a great time “interacting” with the audience.Concerts in people's homes, or small businesses such as O' Hair's, are becoming more popular, musicians say. “There is a more relaxed atmosphere，” said Domenic Cicala, a musician who opened up his O' Hair Salon to concerts. “People really get to know the artists.”At house concerts, people get time before and after concerts to meet the performers. Often, the hosts or guests will provide food and drink.“People really like listening to music in the living room of a friend，” said Matt Hart, with Aubrey Zoli making up the Local Stran gers, a folk­rock group based in Seattle. At many such concerts, the musicians do not need microphones. Yet, every word of their songs can be heard.【文章大意】本文主要介绍了现代音乐会在举办场地的选择上更加多样化。

单元能力小测Ⅰ.单词拼写1．Taiwan will surely return to the motherland and it is ________(仅仅) a matter of time.2．A hurricane________(袭击) the small village and killed many people last week.3．Working in a big company has its______________(不利条件) as well as its advantages.4．As far as I am concerned, I cannot______________(反对) to your marriage.5．The facts had been________(获取) from thousands of students in their first year of university study by asking such questions as these.6．She bought some colored balloons to____________(装饰) the Christmas tree in the hall.7．He announced his________(退休) from football.8．They have made a great__________(突破) in their effort to build a spaceship.9．The________(章程) says that each competitor must answer all the questions within five minutes.10．Y ou must give me a(n)______________(合理的) explanation for your absence.Ⅱ.在空白处填入适当的内容(1个单词)或括号内单词的正确形式1．He undertook ________(finish) the job by Friday.2．He hoped the audience was satisfied and the performers' efforts paid________.3．—Your sister's plan is not quite practical. Why not try to persuade her to give it up?—My sister is very stubborn, so it is________vain to try to change her mind.4．The thought of travelling in anything but my own car________(strike) terror into my heart.5．He's obviously quite embarrassed about it because he forbade me ________(tell) anyone.6．The fact has worried many scientists________the earth is becoming warmer and warmer these years.7．A warm thought suddenly came to me________I might use the pocket money to buy some flowers for my mother's birthday.8．The project was predicated on the______________(assume) that the school was expanding.9．By investing wisely, she had the ________(accumulate) of wealth.10．Cast down by the________(alarm) news that he had developed cancer, he didn't know what to do.11．I finally managed ________(obtain) a copy of the report.12．Y ou should study in a style，which is appropriate ________ your lessons.13．________all his followers being dead, the captain was taken by his enemies.14．I am________favour of your suggestion________we should spend more time on this project.15．Seeing the beautiful flowers，I couldn't resist________(enter) the garden.Ⅲ.完形填空I felt very depressed the other day. The weather had been dark and rainy, and I just didn't feel so __1__.As I was sitting at my desk, I __2__ it was the birthday of a dear long－time friend—a single, middle－aged woman who has devoted the past 30 years to nursing and loving her __3__.Knowing that she didn't have family in town, I __4__ to give her a call. Sure enough, she was on her shift, __5__ to work late into the evening, and wouldn't have __6__ of a birthday this year. As always, though, she __7__ cheerful and was happy that I __8__.After I hung up, I couldn't __9__ the feeling that she would really appreciate a little attention on her special day. __10__ feeling a little depressed myself, I tried to put it out of my mind, but as the day passed, I couldn't shake the thought. I __11__ gave in, and set off to the hospital with a card, a cheese cake, and some balloons that evening. My friend's grateful smile and joyful surprise __12__ me that I'd done the right thing, and they were a generous __13__ for the little effort it had taken.答案单元能力小测Ⅰ.单词拼写1．merely 2.struck 3.drawbacks4．object 5.obtained 6.decorate7．retirement8.breakthrough9．constitution10.reasonableⅡ.在空白处填入适当的内容(1个单词)或括号内单词的正确形式1．to finish句意：他答应星期五之前完成这一工作。

Unit2CloningSectionⅠ—WarmingUp,Pre-reading,Reading&Comprehending课时过关·即时巩固一、用所给单词的适当形式填空1His car (different) greatly from mine in colour,price and size.答案:differs2However,some villagers strongly (objection) to developing chemical factories along the river.答案:object3Don’t be (cast) down.Just keep up your spirit.答案:cast4All the parents agree (forbid) their children to go swimming in the river.答案:to forbid5How long has the custom (obtain) here?答案:obtained二、用下列词组的正确形式完成句子1Their language and customs ours as we are from different countries.答案:differ from2Please make sure that the answers on your card should the ones on your test paper.答案:be identical with3His wife is not the idea that he will make a profit in the stock market.答案:in favour of4The researchers were after the death of the cloned dog,but they would keep on until they could succeed.答案:cast down5Three years of studying hard on 9th June,and three months later I was accepted by a university.答案:paid off6His parents firmly his going into the forest by himself.答案:objected to7What the teachers have done their students in the future.答案:has a great impact on8On the one hand,we should ask for help;,we should try our best to rebuild our houses.答案:on the other hand三、单句改错1Customs different in different countries.答案:第一个different→differ2Three stones cast to the dog before it was driven out.答案:cast前加were3The two-day break can release the students,but on the one hand,the children may waste too much time on TV or Internet games.答案:one→other4It can be difficult clone a tiger in a short time.答案:clone前加to5His patience has paid back and he has won the match.答案:back→off★四、阅读理解AThe United States government wants to know what the public thinks about its findings on the safety of cloned animals.The Food and Drug Administration(FDA) says meat and milk from clones of adult cattle,pigs and goats are safe to eat.An FDA official called them “as safe to eat as the food we eat every day”.And when those clones reproduce sexually(有性繁殖),the agency says,their offsprings(后代) are safe to eat as well.But research on cloned sheep is limited.So the FDA proposes that sheep clones not be used for human’s food.The United States could become the first country to approve the sale of foods from clonedanimals.First,however,the public will have ninety days to comment on three proposed documents.On December 28th the FDA released a long report,called a draft risk assessment,along with two policy documents.The agency says it must receive comments by April 2nd.The FDA seemed ready to act several years ago,but an advisory committee called for more research.For now,the government will continue to ask producers to honour a request that they not sell foods from cloned animals.Clones are still rare.They cost a lot and are difficult to produce.The FDA says most food from cloning is expected to not come from clones themselves,but from their sexually reproduced offsprings.It says clones are expected to be used mostly as breeding animals to spread good qualities.Public opinion studies show most Americans do not like the idea of food from cloned animals.But this research also shows the public knows little about cloning.Cloning differs from genetic engineering.A cell taken from a so-called donor animal is grown into an embryo(胚胎)in the laboratory.Next,the embryo is placed into the uterus(子宫)of a female animal.If the process is successful and the pregnancy reaches full term,a genetic copy of the donor animal will be born.1From the passage we know that .A.foods from cloned animals are popular in AmericaB.cloned adult animals are safe to eat except sheepC.cloned animals will be easy to produceD.most foods from cloning are expected to take place of other foods答案:B解析:推理判断题。

Unit 2 Cloning[导语] 从1998年中国科学院动物研究所首席科学家、动物克隆与受精生物学学科带头人陈大元首次正式提出克隆大熊猫到现在，整整20年过去了，陈老仍然执着于此。

然而保护大熊猫，究竟要不要通过克隆的方式呢？China has been exploring every possible means of saving giant pandas，one of the world's most endangered species，from becoming extinct，even if it means resorting to(诉诸) cloning them.Chen Dayuan，a senior scientist who specializes in cloning at the Institute of Zoology in the Chinese Academy of Sciences，introduced the idea of performing cloning techniques on giant pandas in 1998.Using initial funding of 100，000 yuan，Chen successfully produced blastocysts(胚泡) by transplanting the somatic nucleus from sample pandas into the egg cells of rabbits.“Those who are against cloning have made their voices heard throughout the research project on cloning giant pandas.Some people believe cloning goes against nature，but it is actually a pioneering technology.If successful，it isa way to save endangered animals，”Chen said.Some scientists take a different view.“While I agree that research on cloning is meaningful，it is inappropriate to use giant pandas in this type of experiment.The number of pandas is limited and human beings have yet to master knowledge about pandas' pregnancy.Cloning would do little to save the species，”said Wang Dajun，a researcher at the School of Life Sciences，Peking University.In response，Chen said that he would continue his research.[词海拾贝]1．endangered adj.快要绝种的2．technique n．技巧，手法3．transplant v．移植4．pregnancy n．怀孕[问题思考]1．Do you think pandas can be saved by cloning？Why?______________________________________________________ _2．Why are some scientists against cloning pandas?______________________________________________________ _答案：1.略2．Because they think cloning goes against nature.Ⅰ.为单词选择正确的释义1．commercial A．装饰2．undertake B．最初的，开始的3．breakthrough C．假定；设想4．procedure D．媒介；手段；工具5．altogether E．程序；步骤；手续6．medium F．规则；规章；法规7．assumption G．商业的；贸易的8．regulation H．着手；从事；承担9．initial I．缺点；不利条件10．drawback J．总共；完全地11．decoration K．突破答案：1－G 2－H 3－K 4－E 5－J 6－D 7－C 8－F 9－B 10－I 11－AⅡ.根据所给汉语提示写出单词1．________ n．双胞胎之一；孪生儿之一adj.成对的；成双的2．________ vt.扔；投；掷3．________ vt.获得；赢得4．________ vt.获得；到达(水平、年龄、状况等)5．________ adj.道德(上)的；伦理的6．________ vt.欠(账、钱、人情等)；归功于……7．________ vi.退休；离开8．________ vt.打扰vi.操心n．烦扰9．________ n．羽毛10．________ adj.合情理的；讲道理的；公道的答案：1.twin 2.cast 3.obtain 4.attain 5.moral6．owe 7.retire 8.bother 9.feather 10.reasonableⅢ.根据英语释义写出单词1．________：outspoken2．________：correct in every detail3．________：a change that makes sth more accurate than it was before4．________：be different5．________：be against6．________：collect or gather over a period of time7．________：hit someone or something8．________：having too much pride9．________：be against someone10．________：only11．________：not able to do something12．________：admire very much答案： 1.straightforward 2.exact 3.correction 4.differ5．object 6.accumulate 7.strike 8.vain 9.resist10．merely 11.unable 12.adoreⅣ.选用正确短语的适当形式完成句子later.2．Robert sat there alone，looking ________．What hadhappened to him?3．Are you ________ Tony's suggestion that we should workaround the clock to meet the deadline?4．His parents ________ his going to the USA for furtherstudy，because they thought he was too young.5．He will set off the day after tomorrow，________，onMay 26，Tuesday.6．My opinion about the problem ________ yours.I thinkthings will get better if we try our best.7．Our teacher ________ the importance of safety________，so we were all careful when crossing the street.8．Though the building was built in the 1980s，it is still________________．9．The old kind－hearted man donated money to charities________________ though he didn't have much money.10．To our great delight，the badly injured boy was ________ by the experienced doctors.11．I am afraid your efforts are ________；he wouldn'tlisten to others.12．There appeared a rainbow.The weather ________ get better.答案：1.pay off 2.cast down 3.in favour of 4.objected to5．to be exact 6.differs from 7.struck into our hearts 8．in good condition 9.from time to time 10.brought back to life 11.in vain 12.was bound to课文表层理解Ⅰ.判断正(T)误(F)1．A cloned animal usually dies earlier than the original one.( )2．Cloned people could live forever.( )3．Cloning is something that has been developed quite recently.( )4．The lamb is the clone of the cell from sheep because it provides the nucleus.( )5．There were many arguments about animal cloning and concerns about the future of cloning.( )答案：1.T 2.F 3.F 4.T 5.TⅡ.读课文，完成表格Cloning：Where is it leading us？Paragraph Main idea Contents1 The Cloning is a way of making an答案：1.exact copy of es 3.quantities of plants 4．the disturbing news 5.cast down6．half the length of 7.objections 8.human beings9．nervous and more conservative 10.forbid课文深层理解Ⅰ.主旨匹配Para.1 A．The major uses and procedures of cloning.Para.2 B．The definition of cloning.Para.3 C．People's reaction to cloning.Para.4 D．The problems of Dolly.Para.5 E．The effect of Dolly.答案：Para.1－B Para.2－A Para.3－D Para.4－E Para.5－CⅡ.单项选择1．It can be inferred from the passage that a cloned animal ________．A．usually lives as long as the original oneB．usually lives longer than the original oneC．usually dies earlier than the original oneD．is usually as healthy as the original one2．Which of the following is an advantage of cloning?A．Cloning can be used for earning money.B．Large quantities of food can be produced by cloning.C．Cloning can not help keep animals from becoming extinct.D．Famous persons who have passed away can be cloned.3．We can use the skill of cloning to ________．A．bring about global peaceB．create other famous scientistsC．improve the development of learning languageD．cure some special diseases4．What can we learn from the text?A．Cloned mice can live as long as the original ones.B．Cloning will come to an end because of objections.C．All the research into human cloning will be forbidden.D．It is more difficult to clone animals than clone plants.5．What is the writer's attitude towards cloning in this passage?A．Objective. B．Negative.C．Positive. D．Unclear.答案：1.C 2.B 3.D 4.D 5.AⅢ.领会下列句子所用的句型并尝试译成汉语1．It is a difficult task to__undertake．______________________________________________________ _2．Cloning plants is straightforward while cloning animals is very complicated.______________________________________________________ 3．Although at present human egg cells and embryos needed for cloning research are difficult to obtain，newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions.______________________________________________________ _4．Then__came the disturbing news that Dolly had become seriously ill.______________________________________________________ _答案：1.它是一项很难完成的任务。

Unit2CloningSectionⅠ—WarmingUp,Pre-reading,Reading&Comprehending课后篇巩固探究一、写作词汇检测根据该部分词汇,完成下列小对话或语段。

1.—Li Hua won the first prize in the national English competition.—Oh,really?I’m glad that his efforts at last (得到回报).答案:paid off2.—Why did you look so (沮丧) in the morning?—I lost my wallet with my ID card and a lot of money.答案:cast down3.—How much is this coat and tie?—It is $68 (总共).答案:altogether4.—Do you think it is wise to clone humans?—I don’t think so.It may raise (伦理的) and social questions.答案:moral5.—How do Americans like to be called?—Most of them don’t (反对) calling them by their first name.答案:object to6.—Where can I (得到) a list of restaurants?—Go and ask our manager for it.答案:obtain7.—So you think I’m wrong?—No,not (精确),but...答案:exactly8.John (不同) with us on this matter,so he (禁止) me to go with you.答案:differs;forbids二、阅读词汇检测根据该部分词汇,写出黑体部分的汉语意思。

SectionⅡ—LearningaboutLanguage,UsingLanguage, SummingUp&LearningTip课后篇巩固探究一、单句改错1.What I need most is mere your care and attention.答案:mere→merely2.The temple is still in a good condition.答案:去掉a3.After a while,the discussion was come back to life.答案:come→brought4.The plan sounds reasonably,but it is hard to carry out.答案:reasonably→reasonable5.He took up gardening shortly he retired.答案:shortly后加after6.He paid back all the money he owed for me.答案:for→to7.I really don’t want to bo ther you of my own problem.答案:of→with/about8.Many customers can’t resist buy what they don’t really need.答案:buy→buying二、变式训练1.The little boy was raised by his grandfather.The little boy by his grandfather.答案:was brought up2.All the children are asked to do morning exercises because a healthy body can refuse disease. All the children are asked to do morning exercises because a healthy body can disease.答案:resist3.We walked here and there to look for a taxi but failed.We walked here and there to look for a taxi but .答案:in vain4.Sometimes I help my mother do the cooking at home.I help my mother do the cooking at home.答案:From time to time5.With thousands of soldiers having cleaned the snow on the road,the Jingzhu freeway was brought back to life.After thousands of soldiers the snow on the road,the Jingzhu freeway was brought back to life.答案:had cleaned6.It occurred to me that she might be late.It me that she might be late.答案:struck三、根据提示翻译句子1.我突然意识到我可以为我的项目筹款。

姓名，年级：时间：Unit 2 Cloning1、选词填空1。

Tom was admitted into Peking University，His parents’ efforts finally__________. 2。

__________ rivers and seas were polluted, which left the government worried. 3。

Mary was __________because she didn’t pass the driving license test yesterday.4.I cannot see where they__________ each other: to me they look exactly alike。

5。

Many students are for the opinion; however， other students__________ it.6.Many experts agree that what parents do and say__________ students.7。

I am__________ the suggestion that we make a trip to Qinghai， because I want to see Qinghai Lake.2、根据课文内容填空Cloning has always been ①__________us and is here to stay.It is a way of making an exact ②__________of another plant or animal。

Cloning has two major uses. First，it can be used to produce large ③__________quantities of plants and this way is very simple。

Unit 2 Cloning李仕才一、阅读理解AEnj oying a musical performance no Ion ger requires a costly ticket or a trip to atheater・ These days, musicians are performing in private homes, at haircutting shops, at airports・・・ even on ferry boats・Musicians like house concerts. At music clubs, they often have to perform over loud conversation or deal with people who have had too much alcohol. People at house concerts are more focused on 1 istening to the music.Just a few hours before the Bombadi1s started singing at the O' Hair Sal on, Lindsay was cutting hair and Tamera was doing facials・ Then, they moved chairs and microphones to create a sma11 performanee space・ The BombadiIs made music in the front part of the hair salon, near the hairdryers and make-up tables."This is our first show at a hair salon, ” Sarah Frank of the BombadiIs told con certgoers at last week，s performance. Fra nk said she and band members, Luke Fraser and Kai11yn Raitz had a great time "interacting^ with the audienee.Concerts in people's homes, or smal 1 businesses such as O' Hair，s, are becoming more popular, musicians say. "There is a more relaxed atmosphere, ” said Domenic Cicala, a musician who opened up his O' Hair Salon to concerts・ "People really get to know the artists•”At house concerts, people get time before and after concerts to meet the performers- Often, the hosts or guests will provide food and drink.“People really like listening to music in the l iving room of a friend, ” said Matt Hart, with Aubrey Zol i making up the Local Strangers, a folk-rock group based in Seattle. At many such con certs, the musicia ns do not need microph ones. Yet, every word of their songs can be heard・【文章大意】本文主要介绍了现代音乐会在举办场地的选择上更加多样化。

Unit 2李仕才一、词汇复习（一）单句语法填空1． I have an appointment ______Dr. Brown, but I need to change it.答案：with 句意为：我与布朗先生有约，但我需要改一下。

have an appointment with sb.意为“与某人有约”，为固定短语。

2．(2015·陕西西安联考改编)Whoever comes here to have the meeting will be treated ________ a wonderful dinner.答案：to 句意为：所有来这儿开会的人都将享用美好的晚餐。

treat sb. to sth.意为“款待，招待某人享用……”，是固定短语。

3．(2015·浙江名校联考改编)Anyway, I can't tell lies about it—it's ________ my principles, you know.答案：against 句意为：无论如何，对于这件事我不能说谎，你知道这违背了我的原则。

against意为“反对；违反”，符合句意。

4．(2015·浙江，3)Have you ever heard of the trees that are homes ________ animals both on land and sea？答案：to be home to...“是……的家园”。

5．(2015·陕西，12改编)The little pupil took his grandma ________the arm and walked her across the street.答案：by “take sb. by＋身体部位”为固定搭配，意为“抓住某人的……”。

句意：那个小学生抓着他奶奶的手臂，领她过了街道。

拓展：The police took the thief by the collar and took him to the police station.“警察抓住那个小偷的衣领，把他带到了警察局。