高考英语大一轮复习 Unit 2 Cloning教师用书 新人教版选修8.docx

1、高考英语大一轮复习 Unit 2 Cloning教师用书 新人教版选修8Unit 2Cloning话题词汇1invention n发明2progress n进步3digital adj.数字的4breakthrough n突破5technical adj.技术的6automatic adj.自动的7make a study of研究8shop online网上购物9surf the Internet网上冲浪10browse the web page浏览网页话题佳作目前，科技的发展如此之快已超出了我们的想象，克隆技术成为世界上最先进的技术之一。针对这一技术，有人支持，有人反对。假设你是李华，你的

2、笔友Mike来信询问你对克隆的看法，请根据下面的表格，给他写一封回信。支持反对你的看法？1.制造器官挽救生命(如：治愈癌症)；2.帮助不能生育的人拥有孩子；3.帮助想克隆自己去世的亲人的人。1.对人生命不尊重，生命将不再唯一；2.在动物界创造出更多的疾病；3.使地球人口激增。佳作欣赏Dear Mike，Glad to receive your letter.Cloning is one of the most advanced technologies.But different people have different opinions.Some people are in favor o

3、f it，thinking the technology is beneficial.Firstly，it can be used to produce organs to cure diseases like cancer.Secondly，it can help those who cant have a baby but want one.Besides，it can help those wanting to clone their dead relatives.However，a few people object to it.They believe cloning shows n

4、o respect for human life，and human life would no longer be unique.More seriously，it would create more diseases in the animal world and cause Earths population to increase fast.In my opinion，although the technique is of benefit，cloning humans should be cautious.Yours，Li Hua名师点睛本文第一段提出话题，第二段说明克隆的优点，第三

5、段是克隆的缺点，第四段是表述作者自己的观点。中间两段要点齐全，表达清晰明确，使用短语、句型准确。最后一段是作者自己的观点，观点明确，不含糊，给出了自己的令人信服的理由。文章中使用了现在分词作状语和定语、定语从句、宾语从句、状语从句等复杂句式。文中一些高级词汇也给短文增加了不少亮点，如：in favor of，beneficial，object to，show no respect for，be of benefit等。同时，firstly，secondly，besides等的使用使作者在列举观点时条理清晰，自然流畅。A写作必记单词1differ vi.不同；相异(1)The story he

6、told the police differed from(和不同) the one he told his mother.(2)They differ in size but not in kind.这些东西的区别只是大小不同而实质一样。2exact adj.精确的；准确的(1)not exactly不确切；不完全；不全对；(口语)决不(2)Scientists are still not exactly sure how genes influence aging，but they believe that they do.科学家们仍然不是很清楚基因是怎样影响衰老的，但他们相信基因确实对衰

7、老有影响。(2016四川)3object vi.反对；不赞成(1)objection n不赞成；反对；异议(2)object to反对(3)He has a strong objection to leaving early.他极力反对早动身。4obtain vt.获得；赢得5owe vt.欠(账、钱、人情等)；归功于(1)owe.to.欠；把归功于owe sb. an apology应向某人道歉(2)The harbour survived the storm owing to the arms of the bay.由于海湾的保护，海港躲过了暴风雨。(3)He helped you a l

8、ot.You owe it to him to invite him to dinner.(填代词)6retire vi.退休；离开(1)retirement n退休；离开(2)Leroy Chiao,54，an American retired(retire) astronaut after four flights，describes what happens even before you float out of your seat.(2015湖北)7bother vt.打扰；vi.操心；n.烦扰(1)bother sb.with/about sth.为某事打扰或麻烦某人have mu

9、ch bother (in)doing sth.费劲/麻烦做某事(2)Dont bother to get/getting(get) dinner for me.用法点拨表示“费心做某事”，其后可接不定式或动名词作宾语。有时还可在bother后加反身代词。8strike vi.& vt.打；撞击；罢工；n.罢工(1)Struck(strike) by the beauty of its buildings on their previous visit，they decided to visit the small old town again.(2)It strikes me that yo

10、u are not serious about it.(填代词)(3)Staff at the hospital went on strike(举行罢工) in protest at the incidents.(4)A good idea struck me yesterday.(同义句转换)I struck on a good idea yesterday.9resist vt.抵抗；对抗(1)The child resisted being carried(carry) off.(2)There is still much resistance to carrying out this

11、plan.(填介词)10reasonable adj.合情理的；讲道理的；公道的(1)reason sb.into/out of doing sth.说服某人做/不做某事(2)The reason why he didnt come was that he was ill.(填连接词)(3)This is the reason that he gave me for being late.(填连接词)B阅读识记单词11undertake vt.着手；从事；承担undertake to do.答应做12breakthrough n突破13procedure n程序；步骤；手续process n过

12、程；进行；方法；步骤；程序；vt.加工；处理14altogether adv.总共；完全地15conservative adj.保守的；守旧的16forbid vt.禁止；不准My father forbade me to watch TV.(同义句转换)My father forbade my watching TV.My father forbade me from watching TV.17accumulate vt.& vi.积累；聚积accumulation n积累；累积；堆积物18compulsory adj.必须做的；义务的；强迫的；强制的19assumption n假定；设想

13、(1)Assuming(assume) that it is true，what should we do now?(2)It is generally assumed(普遍认为) that stress is caused by too much work.(3)The project was predicated on the assumption that the economy was expanding.这一计划是以经济发展的设想为依据的。用法点拨assuming conj.假如，假设，引导条件状语从句。20regulation n规则；规章；法规regular adj.有规律的；规

14、则的；定期的；经常的21initial adj.最初的；开始的initially adv.开始；最初22vain adj.虚荣的；自负的；徒劳的in vain白费力气；枉费心机23drawback n缺点；不利条件24decoration n装饰decorate v装饰25adore vt.崇拜；爱慕；喜爱He adores going to parties.他喜欢参加各种聚会。用法点拨adore后接动词时用动名词形式。1pay off得到好结果；取得成功；偿清This work is starting to pay off.The annual death rate for adult co

15、ndors has dropped from 38% in 2000 to 5.4% in 2011.工作取得了成功，成年秃鹰的年死亡率从2000年的38%下降到2011年的5.4%。(2016北京)2cast down使失望；使沮丧She was much cast down at the moment.她当时非常沮丧。3in favour of赞成；支持in ones favour对某人有利do sb.a favour/do a favour for sb.帮某人一个忙4(be) bound to (do).一定或注定(做)5strike.into ones heart使刻骨铭心6from

16、 time to time不时；偶尔7bring back to life使复生；使复活8in good/poor condition状况很好(坏)；情况很好(坏)1It happens in plants when gardeners take cuttings from growing plants to make new ones.当园艺师从生长着的植物上剪下枝来培植新植物时，它(克隆)就发生了。2Then came the disturbing news that Dolly had become seriously ill.接着传来了令人烦恼的消息多莉得了重病。3Could it b

17、e solved if corrections were made in their research procedure?如果改进研究程序，问题会不会解决呢？4However，scientists still wonder whether cloning will help or harm us and where it is leading us.然而，科学家们仍然想知道克隆技术是会帮助我们还是伤害我们，以及它将把我们引向何处。5The advantage is that if there is a new illness some of these animals may die，but

18、 others will survive and pass on the ability to resist that disease to the next generation.其优点是如果产生一种新的疾病，这类动物中的一些可能会死掉，但是另外一些却能存活下来，并将这种抵抗能力传给下一代。.教材与语法填空Cloning is a way of making an exact copy of 1.another animal or plant.2.It has two major uses.One is that gardeners use it to produce commercial

19、quantities of plants.The other is that it is 3.valuable(value) for research on new plant species and for medical research on animals.However，the process of cloning is difficult 4.to undertake(undertake)The first successful clone，Dolly the sheep,5.made(make) the whole scientific world follow its proc

20、ess，though it had 6.more(many) problems than the normal sheep.But on the other hand，Dollys 7.appearance(appear) raised a storm of objections and had a great impact 8.on the media and public imagination.Different people have different opinions on it.9.However，scientists still wonder whether cloning w

21、ill help or harm us and 10.where it is leading us.教材与短文改错The possibility of cloning fierce and extinct wild animals have always excited film makers.And they are not the only one.The popularity of the film Jurassic Park proves how interesting ordinary people are in the subject.It is a film in that a

22、scientist clones several kind of extinct dinosaurs.In fact，we are long way from being able to clone extinct animals.From time to time people suggested that the animals that have disappeared from the earth，can be brought back to the life through cloning.Unfortunately，based on what we know now，it is p

23、ossible.So dinosaurs returned to the earth is merely a dream.答案The possibility of cloning fierce and extinct wild animals always excited film makers.And they are not the only .The popularity of the film Jurassic Park proves how ordinary people are in the subject.It is a film in a scientist clones se

24、veral of extinct dinosaurs.In fact，we are long way from being able to clone extinct animals.From time to time people that the animals that have disappeared from the earth，can be brought back to the life through cloning.Unfortunately，based on what we know now，it is .So dinosaurs to the earth is merel

25、y a dream.教材与微写作写作素材(关于克隆)1现在许多国家研究克隆。2人们对克隆有不同的看法。3有些人很沮丧，他们认为这在伦理上是不合理的，应该被禁止。4实际上许多国家从事克隆研究并且已经取得了重大的突破，所以我们无法抗拒它。提示：黑体部分用本单元词汇表达，并且请使用because引导的原因状语从句，that引导的宾语从句。连句成篇(将以上句子连成一篇50词左右的英语短文)Nowadays many countries do research on cloning.Peoples ideas of cloning differ.Some feel cast down because t

26、hey think that it is not morally reasonable and should be forbidden.Actually many countries undertake the research on cloning and have obtained great breakthrough，and therefore we are unable to resist it.阅读理解A machine that takes sweatladen(浸满汗水的) clothes and turns the sweat into drinking water is in

27、 use in Sweden.The machine makes the clothes turn round quickly，heats them to remove the sweat，and then passes the steam through a kind of special material to make purified water.Since it has been brought into use，its creators say more than 1,000 people have drunk others “sweat” in Gothenburg.They a

28、dd the liquid is cleaner than local tap water.The device was built for the United Nations childfocused charity UNICEF to promote a campaign highlighting the fact that 780 million people in the world lack access to clean water.The machine was designed and built by the engineer Andreas Hammar，known lo

29、cally for his appearances on TV tech show “Mekatronik”He said the key part of the sweat machine was a new water purification part developed by a company named HVR.“It uses a technique called membrane distillation(膜蒸馏)，” he told the BBC.“We use a special kind of material that only lets steam through

30、but keeps bacteria，salts，clothing fibers and other things out.They have something similar to the International Space Station，but our machine is cheaper to build.The amount of water it produces depends on how sweaty the person is，but one persons Tshirt typically produces 10ml，about a mouthful.”The de

31、vice has been put on show at the Gothia Cupthe worlds largest international youth football tournament.Mattias Ronge，chief executive of Stockholmbased advertising agency Deportivo，said the machine had helped raise awareness for UNICEF，but in reality had its limitations.“People havent produced as much sweat as we hopedright now the weather in Gothenburg is lousy，” Mattias Ronge said.“So weve equipped the machine with exercise bikes and volunteers are