高二英語cloning課件4

1、Unit2 Cloning,Period 1 Warming up& Reading,What will you think of ?,cloning,A strawberry plant,The plant produces its own runners.,A stem Take cuttings from growing plants to make new ones.,They are identical in sex

2、 and appearance, who are produced from the same original egg.,She was c______while the others were born naturally. It is the exact copy of another sheep and the first cloned mammal.,,different from,loned,Dolly the shee

3、p,,Its name is Andi, the first genetically modified monkey.,Dog Snuppy was created by Korean and American scientists,,Cloning is a way of making an exact _____ of another animal or plant.,What is Cloning?,copy,Wh

4、at is the difference among them ?,clone,,Clone, also called reproduce asexually (無性生殖 /繁殖), is the creation of cells or whole animals using DNA from a single “parent”, without using the normal reproductive (

5、有性生殖) process. The clone has the exactly same DNA to the parent. It includes natural and man-made clone.,What's clone?,Prediction,What do you think the article is about by reading this headline?,CLONING :WHERE IS IT

6、LEADING US?,What is the main idea of the passage?,The passage tells us that animal cloning raised __________ and scientists are not sure about its______.,arguments,future,What is the writing style? Expositive(說明文) De

7、scriptive（記敘文）C. Argumentative（議論文）,Skimming,___.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.___.

8、It is forbidden to clone human beings.___.The problems of Dolly.,1,2,3,4,5,making an exact copy,commercial,,,,straightforward,breakthrough,plants species,animals,Dolly the sheep,complicated,True of false :,Four female s

9、heep participate in the cloning of a new sheep.Electricity is needed in the procedure.Sheep B provides a somatic cell for the clone.The lamb is the exact copy of sheep A.,T,F,T,F,Which of the following statements abou

10、t 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 used by gardeners to

11、 make more money.D. Animal cloning is much more difficult than plant cloning.,The cloning of Dolly the sheep succeeded because____. A. its easier to c

12、lone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists

13、were rewarded and got lots of money D. many other attempts to clone mammals failed,The determination and patience of the scientists was rewarded/ paid off.,objections,,,human beings,,normally,natura

14、l,6,original,imagination,serious illnesses,media,a lamb,,moral,forbade,themselves,accumulate,Cloning is valuable for ________ research on animals.,medical,,,Problems of cloning,Animal clones may develop the _______ of ol

15、der animals,illnesses,Animal clones may die _______ than the original animals.,younger,___ _______may want to clone themselves.,There are_____ _________to cloning human beings.,Advantages of cloning,Medical cloning coul

16、d produce _____for serious illnesses in humans.,cures,Cloning plants can produce large ________ of plants for ____.,quantities,Cloning plants can be useful for research on ____ _____ _______.,species,Evil leaders,pla

17、nt,sale,moral,new,objections,We can conclude _______ Cloning is good for us. Cloning has two aspects. If cloning is used in a correct way it can bring many convenience to us. If cloning is used in an evil way it can

18、cause much trouble.,We should use cloning in a wise way !,As 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

19、loning is used in an evil way it can cause much trouble. Therefore, we should use cloning in a correct way.,Languge Points,1. In pairs, look at these pictures and discuss which ones are natural clones and which ones are

20、man-make. Explain how they differ.,1. differ vi. different, difference,她的方法跟我的沒有很大不同。 Her method ____________________________.現(xiàn)代飛機跟早期的在很多方面有所不同。Modern airplanes _____________ early ones ____ many aspects.對于如何解決問題, 我

21、跟他的意見不一致。I _____________ how to solve the problem.,doesn’t differ much from mine.,differ from,differ with him,in,differ是不及物動詞, 主要有兩個義項：“不同, 相異；不同意, 意見相左”。,1). sb. differ from/with sb. on/about sth.; 2). sth. and sth

22、. differ in… ; 3). sth. differ from sth .,2. 這種現(xiàn)象也發(fā)生在動物身上，從同一個原生卵產(chǎn)生性別與外貌相同的雙胞胎也是克隆。It also happens in animals when twins ______________________________ are produced from the same____________ .,identical in sex and ap

23、pearance,original egg,3. 研究克隆的科學(xué)家們沮喪地發(fā)現(xiàn)多莉得的病更容易發(fā)生在年老的動物身上。Cloning scientists ____________________ that Dolly’s illnesses were more ______________ a much older animal.,were cast down to find,appropriate to,不要這么沮喪, 打起精神來

24、！Don’t _______________. Just keep up your spirits.發(fā)現(xiàn)事情的真相使他很沮喪。__________________________________,be so cast down,Finding out the truth cast him down.,,undertake vt. 著手做, 從事, 進行; 擔(dān)任, 承擔(dān), 答 應(yīng)科學(xué)家從事這項實驗。The scientist _

25、________________________.我愿意承擔(dān)這些變革的責(zé)任。I can _____________________ for the changes.那個律師接了一個新的案子。 The lawyer _____________________.,4. 這個過程很難實施。,The procedure is difficult to undertake.,undertakes the experiment,undert

26、ake the responsibility,undertook a new case,5. 多莉看來是在正常地成長著，這事很令人鼓舞。 The fact ______ she seemed to develop normally was encouraging. 然后傳來了多莉得了重病的令人煩惱的消息。 Then came the disturbing news ____ Dolly became serious

27、ly ill.,that,that,disturb vt. 擾亂, 使不安, 弄亂;disturbed adj. 被擾亂的, 動亂的, 不安的；disturbing adj. 令人不安的。,外面的噪音妨礙我睡覺。 The noise outside disturbed my sleep.,,6. 多莉的出現(xiàn)引來了巨大的反對, 激發(fā)了傳媒的熱炒和公眾的想像力。 Dolly’s appearance _____________

28、_________ and _______________________ the media and public imagination.,raised a storm of objections,had a great impact on,object v. objection n.,我極不愿意早起。 I feel a strong objection _________________. 你反對我打開窗子嗎？Have

29、you any objection _______________the window?,to getting up early,to my opening,object vi.我反對這項計劃。I object to the plan.我們抗議這種待遇。We object to being treated like this. object vt.我提出反對意見: 他太年輕不適合那個職位。I object that

30、 he is too young to take that position.,,object 作不及物動詞時后接介詞to或against. 作及物動詞時可接that引導(dǎo)的從句。 objection是名詞, 常與have, take, feel 等連 用構(gòu)成詞組： have objection to take objection to feel objection to,,s

31、th. doing sth.sb. to do sth.sb. sththat…,7. 政府開始感到不安, 有許多政府禁止對克隆的研究。 Governments became _________and many _______________________ human clothing.,nervous,forbade research into,forbidforbad/ forbadeforbidden,2). T

32、he school ______________________ (禁止學(xué)生吸煙).3) He is forbidden ___________________ (進入這個房間).,forbids students to smoke,to enter the room,1). 公共場所應(yīng)禁止吸煙。Smoking should be forbidden in public places.,,8. 有些國家比如中國和英國繼續(xù)收集克隆

33、能提供豐富的醫(yī)療幫助的證據(jù)。 Some countries such as China and the UK continued to ___________________ of the ___________ medical aid that cloning could provide.,accumulate vt. Vi accumulation, accumulative,accumulate evidence,a

34、bundant,他因努力工作而積蓄了一筆財富。He __________________ by hard work.我不在期間灰塵積聚了起來。__________________ during my absence.,accumulated fortune,Dust accumulated,What problems may ____ when humans are cloned? Dolly’s appearance ___

35、__ 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 __

36、_____________. At first it was not accurate enough and many attempts ________________ failed.,but,to undertake,to clone mammals,3. Female sheep B _________ a somatic cell ____ the clone. The nucleus of this c

37、ell 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

38、 Dolly had become seriously ill.,provides,for,came,needed,using,6. _________ her problems, Dolly successfully produced a lamb in a natural birth.It suddenly opened everybody’s eyes to the possibility of ______ c

39、loning 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 much ____________ by the failure of

40、 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 ______, an

41、d she seldom goes wrong.6 She wasn't _________ pleased with her decision, but she had no other choice,differ,cast down,accumulated,undertake,exact,altogether,,,1 Compared with her brother, she is so honest abo

42、ut her opinions2 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 of Beiji

43、ng? Do you support the government's 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 don't agree to your plan bec

44、ause 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.,,I object,,will forbid,When Freddy the frog grew older he wanted to _______ cloning so th

45、at 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 ag

46、reed 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,breakthroug

47、h,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 when he retired

48、 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

49、?,4,C,F,D,How differently do people think of the cloning 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

50、 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 (4)__________ the cloned

51、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 w

52、ere more (6)____________ (適合的) to a much older animal. On the other hand, Dolly’s appearance raised a storm of (7)__________ (object) and had a great impact (8)_______ the media and public imagination. The research (9)__

53、_____ human cloning of human beings is specifically (10)___________ (forbid) by law in most parts of the world.,appropriate,objections,on/ over,into,forbidden,4. 為什么有些人反對克隆人類？Why do some people _______ human cloning?

54、5. 她后來得了嚴重的肺病的問題讓科學(xué)家們很煩惱。 The problem that she later____________ a serious lung disease __________ scientists. 6. 多莉的死，正如她的出生一樣，必將引發(fā)人們的擔(dān)心。Dolly’s death, like her birth, _________________________.,object to,developed

55、,bothered,was bound to raise worries,1．作者的觀點是贊成還是反對克??？ Is the writer’s point of view __ _______ __ cloning or against it?2. 做了一些研究以后沒多久，當(dāng)他發(fā)現(xiàn)取得了突破性成功的克隆物多莉羊的命運時，覺得很沮喪。 _______ after he did some research, he felt __

56、___________ when he discovered the ____ of the breakthrough clone, Dolly the sheep. 3. 這兩個字的字義完全一樣。The two words are __________ meaning.,in favor of,Shortly,cast down,fate,identical in,7. 科學(xué)家相信克隆人類只是時間問題， 不過克隆人是否已誕生的

57、設(shè)想還未得到證實。 Scientists believe human cloning is just ________________ but the ____________ that human clones have already been born hasn’t been proved yet. 8. 他贊同工廠女工五十歲退休的規(guī)定。 He agrees to the __________ that women

58、workers ________ at 50 in the factory.,a matter of time,assumption,regulation,retire,9. 克隆兇猛和滅絕的野生動物的可能性一直使電影制片商感到興奮。 The possibility ______________________ has always excited film makers. 10.要想克隆滅絕動物，我們還有很長的路程要走。

59、 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. 不時地會有人提議，克隆技術(shù)將有可能使地球上已經(jīng)滅絕的動物(如恐龍)復(fù)活

60、。________________ people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly ____________________ through cloning.12.另外一些能存活下來并且把這種抗病能力傳給下一代。 Others will survive and _______ t

61、he ability ___________ that disease to their children.,From time to time,be brought back to life,pass on,to resist,13. 就我們現(xiàn)在所知，你不可能克隆那些已經(jīng)絕種了一萬年以上的動物。 _________________ we know now, you cannot clone animals that have b

62、een extinct longer than 10,000 years.,Based on whatAs far as,The writer of the text_____ is excited by the possibility of cloning fierce and extinct animals B. be

63、lieves that extinct animals can be brought back to life by cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs returning to the earth,2. We can in

64、fer 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

65、 10 000 year,Why should’t 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

66、 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 have to live in a zoo because it is not a suitable habitat to develop and increase its numbers.The zoo i

67、s not a natural environment for a wild animal.,3. Why can’t 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 for cloning ,for

68、 it can’t survive so long.,一、單詞拼寫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.