高中英语_UNIT2《CLONING》课件-WARMING_UP_READING

1、幻灯片1Period 1 Warming up& Reading 幻灯片2What will you think of ?cure.Dollytwins the samegene幻灯片3A strawberry plantThe plant produces its own runners.幻灯片4A stem Take cuttings from growing plants to make new ones. 幻灯片5They are identical in sex and appearance, who are produced from the same original egg.

2、幻灯片6Dolly the sheepdifferent fromShe was c_while the others were born naturally. It is the exact copy of another sheep and the first cloned mammal. loned幻灯片7Its name is Andi, the first genetically modified monkey.幻灯片8Dog Snuppy was created by Korean and American scientists幻灯片9Cloning is a way of mak

3、ing an exact _ of another animal or plant.What is Cloning?copy幻灯片10What is the difference among them ?Natural cloneMan-made cloneclone幻灯片11 Clone, also called reproduce asexually (无性生殖 /繁殖), is the creation of cells or whole animals using DNA from a single “parent, without using the normal reproduct

4、ive (有性生殖) process. The clone has the exactly same DNA to the parent. It includes natural and man-made clone.幻灯片12Prediction What do you think the article is about by reading this headline?幻灯片13What is the main idea of the passage?The passage tells us that animal cloning raised _ and scientists are

5、not sure about its_.argumentsfutureWhat is the writing style? Expositive(说明文) Descriptive记叙文C. Argumentative议论文幻灯片14Skimming _.Cloning has two major uses and successful clone._.Cloning is a way of making an exact copy of another animal and plant(definition)_. The effect of Dolly._. It is forbidden t

6、o clone human beings._.The problems of Dolly.21453幻灯片15making an exact copycommercialplants speciesanimalsstraightforwardIcomplicatedtDolly the sheepbreakthrough幻灯片16 True of false :Four female sheep participate in the cloning of a new sheep.Electricity is needed in the procedure.Sheep B provides a

7、somatic cell for the clone.The lamb is the exact copy of sheep A.FTTF幻灯片17Which of the following statements about cloning is NOT true according to text? A. Cloning is something that has been developed quite recently. B. Twins that look exactly the same are originally from the same egg.C. Cloning is

8、used by gardeners to make more money.D. Animal cloning is much more difficult than plant cloning.i幻灯片18 The cloning of Dolly the sheep succeeded because_. A. its easier to clone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists were rewarded

9、 and got lots of money D. many other attempts to clone mammals failedsThe determination and patience of the scientists was rewarded/ paid off. 幻灯片19normallynaturala lamb6originalobjectionsmediaimaginationserious illnesseshuman beings幻灯片20themselvesmoralforbadeaccumulate幻灯片21Advantages of cloningplan

10、tnew Cloning plants can be useful for research on _ _ _.speciesquantities Cloning plants can produce large _ of plants for _.salemedical Cloning is valuable for _ research on animals. cures Medical cloning could produce _for serious illnesses in humans.Problems of cloning illnesses Animal clones may

11、 develop the _ of older animals Animal clones may die _ than the original animals.youngerEvil leaders _ _may want to clone themselves. moralobjections There are_ _to cloning human beings.幻灯片22We can conclude _ Cloning is good for us. Cloning has two aspects. If cloning is used in a correct way it ca

12、n bring many convenience to us. If cloning is used in an evil way it can cause much trouble. EviWe should use cloning in a wise way !幻灯片23As a coin has two sides, everything has two aspects. On one hand, if cloning is used in a correct way it can bring many convenience to us. On the other hand, if c

13、loning is used in an evil way it can cause much trouble. Therefore, we should use cloning in a correct way.幻灯片24l幻灯片25 1. In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-make. Explain how they differ.1. differ vi. different, difference她的方法跟我的没有很大不同。

14、Her method _.现代飞机跟早期的在很多方面有所不同。Modern airplanes _ early ones _ many aspects.对于如何解决问题, 我跟他的意见不一致。I _ how to solve the problem. doesnt differ much from mine.differ fromindiffer with him幻灯片26differ是不及物动词, 主要有两个义项：“不同, 相异；不同意, 意见相左。 1). sb. differ from/with sb. on/about sth.; 2). sth. and sth. differ in

15、 ; 3). sth. differ from sth .幻灯片272. 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 appearanceoriginal egg3. 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 _ that Dollys illnesses were more _ a much older animal.we

16、re cast down to findappropriate 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 downFinding out the truth cast him down.幻灯片284. 这个过程很难实施。The procedure is difficult to undertake.undertake vt. 着手做, 从事, 进行; 担任, 承当, 答 应科学家从事这项实验。The scientist _.我愿意承当这些变革的责任。I can _ for the cha

17、nges.那个律师接了一个新的案子。 The lawyer _. undertakes the experimentundertake the responsibilityundertook a new case幻灯片29 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 disturbing news _ Dolly became seriously ill.thatthatdisturb vt. 扰乱,

18、使不安, 弄乱;disturbed adj. 被扰乱的, 动乱的, 不安的；disturbing adj. 令人不安的。外面的噪音阻碍我睡觉。 The noise outside disturbed my sleep.幻灯片30 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 objectionshad a great impact onobject v. objection n.我极不愿意早起。 I feel a st

19、rong objection _. 你反对我翻开窗子吗？Have you any objection _the window? to getting up earlyto my opening幻灯片31 object vi.我反对这项方案。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 is too young to take that position. 幻灯片32 object 作不及物动词时后接介词to或a

20、gainst. 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幻灯片337. 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. nervousforbade research intosth. doing sth.sb. to do sth.sb. sththat forbidforbidforbad/ forbadef

21、orbidden幻灯片341). 公共场所应禁止吸烟。Smoking should be forbidden in public places.2). The school _ (禁止学生吸烟).3) He is forbidden _ (进入这个房间).forbids students to smoketo enter the room幻灯片35 8. 有些国家比方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 continued to _ of the _ medical aid that cloning

22、could provide. accumulate evidenceabundantaccumulate vt. Vi accumulation, accumulative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 fortuneDust accumulated幻灯片36ariseWhat problems may _ when humans are cloned? Dollys appearance _ a storm of objections. and religious l

23、eaders _ moral questions.raisedraised2. 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.butto undertake to clone mammals幻灯片37 provides3. Female sheep B _ a somatic cell _ the

24、clone. The nucleus of this cell contains all the genes _(need) to produce a new sheep. forneeded4. The nucleus from sheep B and the egg cell from sheep A are joined _ (use) electricity.usingcame5. Then _ the disturbing news that Dolly had become seriously ill.幻灯片38Despite6. _ her problems, Dolly suc

25、cessfully 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. using producing幻灯片39differ1 In many respects natural clones _ greatly from man-made clones. 2 He was much _ by the failure of his clonin

26、g 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 choicecast downaccumulatedundertakeexacta

27、ltogether幻灯片401 Compared with her brother, she is so honest about her opinions2 The decisions of the factory leaders that had been made without any reason caused anger among the workers. lstraightforwardearbitrary幻灯片41Is your new factory in the business area of Beijing? Do you support the government

28、s plan to build more railway lines?5 This is the way we arrange for you to have your teeth out.acommercialdAre you in favour ofeprocedure幻灯片426 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 late when you have homework to do.rI obj

29、ectswill forbid幻灯片433 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 with him. However, shortly after

30、 he did some research, he felt _when he discovered the fate of the _clone, undertakecontroversialsatisfactioncast downbreakthrough幻灯片44 Dolly the sheep. The dream that one could live forever now seemed impossible. So Freddy made up his mind to enjoy his singing and _ many happy experiences so that w

31、hen he retired he would be able to look back on his life with great pleasure.accumulate幻灯片454 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? ChFoD幻灯片46How differently do people think of the cloning of plants and tha

32、t of animals?What was the breakthrough in the history of cloning?6 Why do some people object to human cloning?pEeB A幻灯片47Cloning 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)_ (undertake). The fact

33、 (4)_ the cloned sheep Dolly seemed to develop normally was very encouraging. But cloning scientists (5)_ (cast down) to find that she becameexactCloningto undertakethatwere cast down幻灯片48seriously ill and the illnesses were more (6)_ (适合的) to a much older animal. On the other hand, Dollys appearanc

34、e 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. appropriateobjectionson/ overintoforbidden幻灯片494. 为什么有些人反对克隆人类？Why do some people _ human

35、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，必将引发人们的担忧。Dollys death, like her birth, _. object todevelopedbotheredwas bound to raise worries幻灯片501作者的观点是赞成还是反对克隆？ Is the writers point of view _ _ _ cloning or against it?2. 做了一些研究

36、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 ofShortlycast downfateidentical in幻灯片517. 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。 Scientists believe hum

37、an 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 timeassumptionregulationretire幻灯片529. 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 always excited film m

38、akers. 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 animalsa long way from beingWe are far from being able to clone extinct animals. 幻灯片5311. 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 disappeared from the ea

39、rth, 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 timebe brought back to lifepass on to resist幻灯片5413. 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 animals that have b

40、een extinct longer than 10,000 years. Based on whatAs far as 幻灯片55The 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 cloningC. thinks it impossible or unsuitable to clone extinct animals like din

41、osaurs D. dreams of dinosaurs returning to the eartht幻灯片562. We can infer from the text that_ scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned animals will only live in the zooD. the DNA of dinosaurs can only survive 10 000 yearo幻灯片57Why shouldt you

42、 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.幻灯片582. 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

43、 have 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.幻灯片593. 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 s

44、uitable for cloning ,for it cant survive so long.幻灯片60一、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 tra

45、ightforwardisturbingorbiddeneasonable 幻灯片616. 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 mercialobjection merely/ justargumentsobtain 幻灯片62二、句型

46、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 ofcame

47、the news幻灯片6313. 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 幻灯片6415.They dont know if the new policy is in t

48、heir 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 幻灯片65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 ofbe bound to d

49、ofrom time to time bring back to life pay offall the time幻灯片66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 the same time raise moral questionshave a great impact ona storm of objectionmedical aid in the 1950sgive birth to a scientific breakthrough 幻灯片67自然生产方式_禁止人类克隆_抵抗做某事_承当一个工程_适合于 _in a natural birth forbid human cl