高中英語-UNIT2《CLONING》課件-WARMING-UP-READING

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

2、gg. 幻燈片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幻燈片7Its name is Andi, the first genetically modified monkey.幻燈片8Dog Snuppy was created by Korean and American scientists幻燈片9Cloning is a way of

3、 making an exact _ of another animal or plant.What is Cloning?What is Cloning?copy幻燈片10What is the difference among them ?Natural cloneMan-made cloneNatural cloneMan-made cloneclone幻燈片11 Clone, also called reproduce asexually (無性生殖 /繁殖), is the creation of cells or whole animals using DNA from a sin

4、gle “parent, without using the normal reproductive (有性生殖) process. The clone has the exactly same DNA to the parent. It includes natural and man-made clone.幻燈片12Prediction What do you think the article is about by reading this headline?幻燈片13What is the main idea of the passage?The passage tells us t

5、hat animal cloning raised _ and scientists are not sure about its_.argumentsfutureWhat is the writing style? Expositive(說明文) Descriptive記敘文C. Argumentative議論文幻燈片14Skimming _.Cloning has two major uses and successful clone._.Cloning is a way of making an exact copy of another animal and plant(definit

6、ion)_. The effect of Dolly._. It is forbidden to clone human beings._.The problems of Dolly.21453幻燈片15making an exact copycommercialplants speciesanimalsstraightforwardIcomplicatedtDolly the sheepbreakthrough幻燈片16 True of false :Four female sheep participate in the cloning of a new sheep.Electricity

7、 is needed in the procedure.Sheep B provides a somatic cell for the clone.The lamb is the exact copy of sheep A.FTTF幻燈片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

8、are originally from the same egg.C. Cloning is used by gardeners to make more money.D. Animal cloning is much more difficult than plant cloning.i幻燈片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 har

9、d with patience C. the scientists were rewarded and got lots of money D. many other attempts to clone mammals failedsThe determination and patience of the scientists was rewarded/ paid off. 幻燈片19normallynaturala lamb6originalobjectionsmediaimaginationserious illnesseshuman beings幻燈片20themselvesmoral

10、forbadeaccumulate幻燈片21Advantages of cloningplantnew 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.

11、Problems of cloning illnesses Animal clones may 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.幻燈片22We can conclude _ Cloning is good for us. Cloning has two asp

12、ects. 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 cause much trouble. EviWe should use cloning in a wise way !We should use cloning in a wise way !幻燈片23As a coin has two sides, everything has two aspects. On one hand, if cloning i

13、s used in a correct way it can bring many convenience to us. On the other hand, if cloning is used in an evil way it can cause much trouble. Therefore, we should use cloning in a correct way.幻燈片24l幻燈片25 1. In pairs, look at these pictures and discuss which ones are natural clones and which ones are

14、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, 我跟他的意見不一致。I _ how to solve the problem. doesnt differ much from mine.differ fromindiffer with him幻燈片26differ是不及物動詞, 主要有兩個義項：“不同, 相

15、異；不同意, 意見相左。 1). sb. differ from/with sb. on/about sth.; 2). sth. and sth. differ in ; 3). sth. differ from sth .幻燈片272. 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 appearanceoriginal egg3. 研究克隆的科學家們沮喪地發(fā)現(xiàn)多莉得的病更容易發(fā)生在年

16、老的動物身上。Cloning scientists _ that Dollys illnesses were more _ a much older animal.were cast down to findappropriate to不要這么沮喪, 打起精神來！Dont _. Just keep up your spirits.發(fā)現(xiàn)事情的真相使他很沮喪。_be so cast downFinding out the truth cast him down.幻燈片284. 這個過程很難實施。The procedure is difficult to undertake.undertake vt

17、. 著手做, 從事, 進行; 擔任, 承當, 答 應科學家從事這項實驗。The scientist _.我愿意承當這些變革的責任。I can _ for the changes.那個律師接了一個新的案子。 The lawyer _. undertakes the experimentundertake the responsibilityundertook a new case幻燈片29 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。

18、 Then came the disturbing news _ Dolly became seriously ill.thatthatdisturb 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。外面的噪音阻礙我睡覺。 The noise outside disturbed my sleep.幻燈片30 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。 Dollys appearance _ and _ the media and public imagination.raised

19、a storm of objectionshad a great impact onobject v. objection n.我極不愿意早起。 I feel a strong objection _. 你反對我翻開窗子嗎？Have you any objection _the window? to getting up earlyto my opening幻燈片31 object vi.我反對這項方案。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

20、職位。I object that he is too young to take that position. 幻燈片32 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幻燈片337. 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. nervousforbad

21、e research intosth. doing sth.sb. to do sth.sb. sththat forbidforbidforbidforbad/ forbadeforbidden幻燈片341). 公共場所應禁止吸煙。Smoking should be forbidden in public places.2). The school _ (禁止學生吸煙).3) He is forbidden _ (進入這個房間).forbids students to smoketo enter the room幻燈片35 8. 有些國家比方中國和英國繼續(xù)收集克隆能提供豐富的醫(yī)療幫助的證據(jù)。

22、 Some countries such as China and the UK continued to _ of the _ medical aid that cloning could provide. accumulate evidenceabundantaccumulate vt. Vi accumulation, accumulative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 fortuneDust accumulated幻燈片36ariseWhat problem

23、s may _ when humans are cloned? Dollys appearance _ a storm of objections. and religious leaders _ 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 _ fail

24、ed.butto undertake to clone mammals幻燈片37 provides3. Female sheep B _ a somatic cell _ the 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 di

25、sturbing news that Dolly had become seriously ill.幻燈片38Despite6. _ 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. using producing幻燈片39differ1 In many respects n

26、atural clones _ greatly from man-made clones. 2 He was 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 _

27、 pleased with her decision, but she had no other choicecast downaccumulatedundertakeexactaltogether幻燈片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. lstraightforwardearbitr

28、ary幻燈片41Is your new factory in the business area 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.acommercialdAre you in favour ofeprocedure幻燈片426 I dont agree to your plan because it will cost too much money.7 Yo

29、ur mother and I will not allow you to stay out so late when you have homework to do.rI objectswill forbid幻燈片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 F

30、reddy asked his friends and noted with _ that they agreed with him. However, shortly after he did some research, he felt _when he discovered the fate of the _clone, undertakecontroversialsatisfactioncast downbreakthrough幻燈片44 Dolly the sheep. The dream that one could live forever now seemed impossib

31、le. So Freddy made up his mind to enjoy his singing and _ many happy experiences so that when he retired he would be able to look back on his life with great pleasure.accumulate幻燈片454 1 What is your point of view about human cloning?2 How can you prove a clone is authentic? 3 How do gardeners benefi

32、t from cloning? CChFFoDD幻燈片46How 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?pEEeBB AA幻燈片47Cloning is a way of making an (1)_ copy of another animal and plant. (2)_ (clone) p

33、lants is straightforward but the cloning of animals is more difficult (3)_ (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 becameexactCloningto undertakethatwere cast down幻燈片48seriously ill an

34、d the illnesses were more (6)_ (適合的) to a much older animal. On the other 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 w

35、orld. appropriateobjectionson/ overintoforbidden幻燈片494. 為什么有些人反對克隆人類？Why do some people _ human cloning? 5. 她后來得了嚴重的肺病的問題讓科學家們很煩惱。 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)人們的擔憂。Dollys death, like her birth, _. object todevelopedbotheredwas bound to raise

36、 worries幻燈片501作者的觀點是贊成還是反對克?。?Is the writers point of view _ _ _ cloning or against it?2. 做了一些研究以后沒多久，當他發(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 _ 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 ofShor

37、tlycast downfateidentical in幻燈片517. 科學家相信克隆人類只是時間問題， 不過克隆人是否已誕生的設想還未得到證實。 Scientists believe human cloning is just _ but the _ that human clones have already been born hasnt 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 workers _ at 50 in the factory. a matter of timeassumptionr

38、egulationretire幻燈片529. 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。 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. 幻燈片5311. 不時地會有人提

39、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)復活。_ 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 _ the ability _ that disease to their children. From time to timebe brought back to lifepass on to r

40、esist幻燈片5413. 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 been extinct longer than 10,000 years. Based on whatAs far as 幻燈片55The writer of the text_ is excited by the possibility of cloning fierce and extinct animals B. believes that extinct animals can be brough

41、t back to life by cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs returning to the eartht幻燈片562. We can infer from the text that_ scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned animals wi

42、ll only live in the zooD. the DNA of dinosaurs can only survive 10 000 yearo幻燈片57Why shouldt 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.幻燈片582. Why is it wrong to clone an extin

43、ct 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 is not a natural environment for a wild animal.幻燈片593. Why cant you clone the DNA of animals that ha

44、ve been extinct longer than 10,000 years? The DNA of animals more than 10,000 years old is not suitable for cloning ,for it cant survive so long.幻燈片60一、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

45、news.4. Smoking is f_ in public places.5. His suggestion sounds quite r_ to most of us.iffer traightforwardisturbingorbiddeneasonable 幻燈片616. The film was a _ (商業(yè)的)success.7. Id like to come, too, if you have no _ (反對).8. He _ (僅僅)asked us our names.9. There were strong _ (爭論) for and against the pl

46、an.10. He always managed to _(得到) what he mercialobjection merely/ justargumentsobtain 幻燈片62二、句型轉(zhuǎn)換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 t

47、aken place in that area. Then _ _ _ that the area had been hit by an earthquake.in favor ofcame the news幻燈片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

48、to clone extinct animals.Despite his a long way 幻燈片6415.They dont know if the new policy is in their 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 幻燈片65使沮喪 _反對_贊成; 支持_一定;

49、注定(做)_不時; 偶爾_使復生_償清; 取得成功_一直; 總是_cast down object to/ have objection to in favor ofbe bound to dofrom time to time bring back to life pay offall the time幻燈片66另一方面_引起道德問題_對產(chǎn)生巨大影響_一陣強烈的反對_醫(yī)療救助_在20世紀50年代_生產(chǎn); 產(chǎn)出 _科學突破_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 幻燈片67自然生產(chǎn)方式_禁止人類克隆_抵抗做某事_承當一個工程_適合于 _in a natural birth forbid