【精品课件】Unit2CloningPeriod1

1、Unit2 Cloning,Period 1 Warming up 2). sth. and sth. differ in ; 3). sth. differ from sth,2. 这种现象也发生在动物身上，从同一个原生卵产生性别与外貌相同的双胞胎也是克隆。 It also happens in animals when twins _ are produced from the same_,identical in sex and appearance,original egg,3. 研究克隆的科学家们沮丧地发现多莉得的病更容易发生在年老的动物身上。 Cloning scientists

2、_ that Dollys illnesses were more _ a much older animal,were cast down to find,appropriate to,不要这么沮丧, 打起精神来！ Dont _. Just keep up your spirits. 发现事情的真相使他很沮丧。_,be so cast down,Finding out the truth cast him down,undertake vt. 着手做, 从事, 进行; 担任, 承担, 答 应 科学家从事这项实验。 The scientist _. 我愿意承担这些变革的责任。 I can _

3、for the changes. 那个律师接了一个新的案子。 The lawyer _,4. 这个过程很难实施,The procedure is difficult to undertake,undertakes the experiment,undertake the responsibility,undertook a new case,5. 多莉看来是在正常地成长着，这事很令人鼓舞。 The fact _ she seemed to develop normally was encouraging. 然后传来了多莉得了重病的令人烦恼的消息。 Then came the disturbin

4、g news _ Dolly became seriously ill,that,that,disturb vt. 扰乱, 使不安, 弄乱; disturbed adj. 被扰乱的, 动乱的, 不安的； disturbing adj. 令人不安的,外面的噪音妨碍我睡觉。 The noise outside disturbed my sleep,6. 多莉的出现引来了巨大的反对, 激发了传媒的热炒和公众的想像力。 Dollys appearance _ and _ the media and public imagination,raised a storm of objections,had

5、a great impact on,object v. objection n,我极不愿意早起。 I feel a strong objection _. 你反对我打开窗子吗？ Have you any objection _ the window,to getting up early,to my opening,object vi. 我反对这项计划。 I object to the plan. 我们抗议这种待遇。 We object to being treated like this. object vt. 我提出反对意见: 他太年轻不适合那个职位。 I object that he i

6、s too young to take that position,object 作不及物动词时后接介词to或against. 作及物动词时可接that引导的从句。 objection是名词, 常与have, take, feel 等连 用构成词组： have objection to take objection to feel objection to,sth. doing sth. sb. to do sth. sb. sth that,7. 政府开始感到不安, 有许多政府禁止对克隆的研究。 Governments became _and many _ human clothing,ne

7、rvous,forbade research into,forbid forbad/ forbade forbidden,2). The school _ (禁止学生吸烟). 3) He is forbidden _ (进入这个房间,forbids students to smoke,to enter the room,1). 公共场所应禁止吸烟。 Smoking should be forbidden in public places,8. 有些国家比如中国和英国继续收集克隆能提供丰富的医疗帮助的证据。 Some countries such as China and the UK cont

8、inued to _ of the _ medical aid that cloning could provide,accumulate vt. Vi accumulation, accumulative,accumulate evidence,abundant,他因努力工作而积蓄了一笔财富。 He _ by hard work. 我不在期间灰尘积聚了起来。 _ during my absence,accumulated fortune,Dust accumulated,What problems may _ when humans are cloned? Dollys appearance

9、 _ a storm of objections. and religious leaders _ moral questions,arise,raised,raised,2. Cloning plants is straightforward _ the cloning of animals is more complicated. The procedure is difficult _. At first it was not accurate enough and many attempts _ failed,but,to undertake,to clone mammals,3. F

10、emale sheep B _ a somatic cell _ the clone. The nucleus of this cell contains all the genes _(need) to produce a new sheep,4. The nucleus from sheep B and the egg cell from sheep A are joined _ (use) electricity,5. Then _ the disturbing news that Dolly had become seriously ill,provides,for,came,need

11、ed,using,6. _ her problems, Dolly successfully produced a lamb in a natural birth. It suddenly opened everybodys eyes to the possibility of _ cloning to cure serious illnesses, and even _ human beings,Despite,using,producing,1 In many respects natural clones greatly _ from man-made clones. 2 He was

12、much _ by the failure of his cloning experiment. 3 Dust had _ during the years when the house was deserted. 4 Robert suggested that I should _ the job of decorating the ceiling of the hall. 5 Her memory is _, and she seldom goes wrong. 6 She wasnt _ pleased with her decision, but she had no other ch

13、oice,differ,cast down,accumulated,undertake,exact,altogether,1 Compared with her brother, she is so honest about her opinions 2 The decisions of the factory leaders that had been made without any reason caused anger among the workers,straightforward,arbitrary,Is your new factory in the business area

14、 of Beijing? Do you support the governments plan to build more railway lines? 5 This is the way we arrange for you to have your teeth out,commercial,Are you in favour of,procedure,6 I dont agree to your plan because it will cost too much money. 7 Your mother and I will not allow you to stay out so l

15、ate when you have homework to do,I object,will forbid,When Freddy the frog grew older he wanted to _ cloning so that his musical career could continue. The doctor explained that cloning was a _ question that he should consider seriously. So Freddy asked his friends and noted with _ that they agreed

16、with him. However, shortly after he did some research, he felt _when he discovered the fate of the _clone,3,undertake,controversial,satisfaction,cast down,breakthrough,Dolly the sheep. The dream that one could live forever now seemed impossible. So Freddy made up his mind to enjoy his singing and _

17、many happy experiences so that when he retired he would be able to look back on his life with great pleasure,accumulate,1 What is your point of view about human cloning? 2 How can you prove a clone is authentic? 3 How do gardeners benefit from cloning,4,C,F,D,How differently do people think of the c

18、loning of plants and that of animals? What was the breakthrough in the history of cloning? 6 Why do some people object to human cloning,E,B,A,Cloning is a way of making an (1)_ copy of another animal and plant. (2)_ (clone) plants is straightforward but the cloning of animals is more difficult (3)_

19、(undertake). The fact (4)_ the cloned sheep Dolly seemed to develop normally was very encouraging. But cloning scientists (5)_ (cast down) to find that she became,exact,Cloning,to undertake,that,were cast down,seriously ill and the illnesses were more (6)_ (适合的) to a much older animal. On the other

20、hand, Dollys appearance raised a storm of (7)_ (object) and had a great impact (8)_ the media and public imagination. The research (9)_ human cloning of human beings is specifically (10)_ (forbid) by law in most parts of the world,appropriate,objections,on/ over,into,forbidden,4. 为什么有些人反对克隆人类？ Why d

21、o some people _ human cloning? 5. 她后来得了严重的肺病的问题让科学家们很烦恼。 The problem that she later_ a serious lung disease _ scientists. 6. 多莉的死，正如她的出生一样，必将引发人们的担心。 Dollys death, like her birth, _,object to,developed,bothered,was bound to raise worries,1作者的观点是赞成还是反对克隆？ Is the writers point of view _ _ _ cloning or

22、 against it? 2. 做了一些研究以后没多久，当他发现取得了突破性成功的克隆物多莉羊的命运时，觉得很沮丧。 _ after he did some research, he felt _ when he discovered the _ of the breakthrough clone, Dolly the sheep. 3. 这两个字的字义完全一样。 The two words are _ meaning,in favor of,Shortly,cast down,fate,identical in,7. 科学家相信克隆人类只是时间问题， 不过克隆人是否已诞生的设想还未得到证实。

23、 Scientists believe human cloning is just _ but the _ that human clones have already been born hasnt been proved yet. 8. 他赞同工厂女工五十岁退休的规定。 He agrees to the _ that women workers _ at 50 in the factory,a matter of time,assumption,regulation,retire,9. 克隆凶猛和灭绝的野生动物的可能性一直使电影制片商感到兴奋。 The possibility _ has

24、always excited film makers. 10.要想克隆灭绝动物，我们还有很长的路程要走。 We are _ able to clone extinct animals,of cloning fierce and extinct wild animals,a long way from being,We are far from being able to clone extinct animals,11. 不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物(如恐龙)复活。_ people suggest that the animals that have disappe

25、ared from the earth, like dinosaurs, can possibly _ through cloning. 12.另外一些能存活下来并且把这种抗病能力传给下一代。 Others will survive and _ the ability _ that disease to their children,From time to time,be brought back to life,pass on,to resist,13. 就我们现在所知，你不可能克隆那些已经绝种了一万年以上的动物。 _ we know now, you cannot clone anima

26、ls that have been extinct longer than 10,000 years,Based on what As far as,The writer of the text_ is excited by the possibility of cloning fierce and extinct animals B. believes that extinct animals can be brought back to life by cloning C. thinks it impossible or unsuitable to clone extinct animal

27、s like dinosaurs D. dreams of dinosaurs returning to the earth,2. We can infer from the text that_ scientists are experimenting to clone dinosaurs B. dinosaurs will never return to the earth C. cloned animals will only live in the zoo D. the DNA of dinosaurs can only survive 10 000 year,Why shouldt

28、you clone an extinct animal unless there is enough diversity in the group? There will not be enough genetic variation in the group to be able to resist new illnesses,2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal that would h

29、ave to live in a zoo because it is not a suitable habitat to develop and increase its numbers.The zoo is not a natural environment for a wild animal,3. Why cant you clone the DNA of animals that have been extinct longer than 10,000 years? The DNA of animals more than 10,000 years old is not suitable

30、 for cloning ,for it cant survive so long,一、单词拼写 The brothers d_ widely in their tastes. 2. The question is quite s_ , while that one is much more complicated. 3. It is quite d_ to hear the bad news. 4. Smoking is f_ in public places. 5. His suggestion sounds quite r_ to most of us,iffer,traightforw

31、ard,isturbing,orbidden,easonable,6. The film was a _ (商业的)success. 7. Id like to come, too, if you have no _ (反对). 8. He _ (仅仅)asked us our names. 9. There were strong _ (争论) for and against the plan. 10. He always managed to _(得到) what he wanted,commercial,objection,merely/ just,arguments,obtain,二、

32、句型转换 11.At the beginning, he was against my proposal. However, in the end, he was for it. At first he disagreed with my suggestion , but at last he was _ _ _ it. 12. Later they learnt that an earthquake had taken place in that area. Then _ _ _ that the area had been hit by an earthquake,in favor of,

33、came the news,13. Although he was not strong, he joined in the work. _ _ weakness, he took part in the work. 14.We are still far from being able to clone extinct animals. We are still _ _ _ from being able to clone extinct animals,Despite his,a long way,15.They dont know if the new policy is in thei

34、r favor. They _ _ this new policy can bring benefit to them. 16.Have you any objection to my opening the window? Would you _ _ my opening the window,wonder if/ whether,object to,使沮丧 _ 反对_ 赞成; 支持_ 一定; 注定(做)_ 不时; 偶尔_ 使复生_ 偿清; 取得成功_ 一直; 总是_,cast down,object to/ have objection to,in favor of,be bound to do,from time to time,bring back to life,pay off,all the time,另一方面_ 引起道德问题_ 对产生巨大影响_ 一阵强烈的反对_ 医疗救助_ 在20世纪50年代_ 生产; 产出 _ 科学突破_,on the other hand/ at