广东省中山市高中英语-Unit-2-Cloning讲义-新人教版选修8课件.ppt(纯ppt,可能不含音视频素材)

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1、Unit2CloningLearning goals 1.To review the news words and grammar in this text 2.To develop the Ss reading ability(fast and careful reading)3.To present basic information about cloning,especially its significance to human beings 4.To foster the Ss writing ability to talk about cloning Check the answ

2、er p :a way of doing sth.,esp.the usual or correct way u :to make yourself responsible for sth,and start doing it a :to reach a particular age,level or conditionf :to order sb.not to do sth.;to order that sth.must not be doneo :to get sth.,esp.making an effortprocedure undertake attain forbid obtain

3、 Fill in the blanks 1.In many aspects natural clones,such as identical twins,do not d greatly from man-made ones.2.He was c down when the procedure he had used to produce a mammal clone ended in failure.3.Dust will a in a deserted house.4.Her memory is so excellent that she could remember the e name

4、s of the side roads we passed on the way.ifferastccumulatexact 5.She was not a pleased at the corrections he made to her work.6.Grey decided to move to the countryside and his wife made no o to it.7.According to the constitution,it is compulsory for a citizen to u military service.ltogetherbjections

5、ndertakeSentences1.The fact Dolly the sheep seemed to develop normally was very encouraging.2.Then came the disturbing news Dolly had become seriously ill.3.会议上,是否应该克隆人这一问题没有被讨论。4.在长城上乱画的现象使我很气愤。thatthat The question whether human beings should be cloned was not discussed at the meeting.The phenomen

6、on that people drew on the Great Wall really annoyed me.Questions1.What do you know about clone?2.Cloning is the new biotechnology and the one which causes the most heated discussion over its worth.Do you know how many kinds of animals have been cloned?Do you think it is possible to clone a human be

7、ing?1996 cloned sheep cloned rabbit2005 cloned dogs3.The clones have no souls,would they be dangerous?4.If clone is safe,why is that against the law to clone human beings?1.The main idea of the text is _ A.animal cloning is very valuable and can benefit the world.B.animal cloning could be misused by

8、 bad people so it must be forbidden.C.animal cloning is well developed because Dolly the sheep was born.D.animal cloning raised arguments and scientists are not sure about its future.D ReadingSkimming2.What is the writing style?Expositive(说明性的说明性的).Descriptive.C.Argumentative(议论性的议论性的).A 3.It can be

9、 inferred from the passage that a cloned animal_.A.usually lives as long as the original one B.usually lives longer than the original one C.usually dies earlier than the original one D.is usually as healthy as the original oneC 4.The cloning of Dolly the sheep succeeded because _.A.its easier to clo

10、ne a sheep than other animals B.the scientists were determined and worked hard with patienceC.the scientists were rewarded and got lots of moneyD.many other attempts to clone mammals failedB 5.Which of the following is NOT a problem or danger of cloning mentioned in the text?A.Evil leaders may want

11、to clone themselves.B.Animal clones may develop the illness of older animals and may die younger than the donor animals.C.There are moral objections to cloning human beings.D.Too much cloning may lead to the destruction of the balance of nature.D The main idea of each paragraph.1.Cloning is a way of

12、 making an copy of another animal and plant.2.Cloning has _ major uses.3.The _ of Dolly.4.The _ of cloning in society.5.Different towards cloning.problemstwo effectsattitudesexactScanning Scanning 1.Dolly the sheep _.A.looked exactly like the sheep that provides the egg.B.was the exact copy of the s

13、heep that provides the nucleus.C.looked like the sheep that gave birth to it.D.had the characteristics of all three sheep.B 2.Which of the following is not an advantage of cloning?A.Cloning can be used for medical purposes.B.Large quantities of food can be produced by cloning.C.Cloning can help keep

14、 animals from becoming extinct.D.Famous persons who have passed away can be cloned.D 3.Which statement is NOT true?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 make more money.D.Ani

15、mal cloning is much more difficult than plant cloning.A 4.The lamb is the clone of the cell from sheep because _.A.it provides the egg cell B.it gives birth to the lamb C.it provides the nucleus D.it is a female sheep5.The sheep that donated the somatic cell most probably lived _ years.A.3 B.6 C.9 D

16、.12C D Role play Suppose you are a reporter from the South Weekend who is interviewing an expert in cloning from America,try to make up a dialogue according to what you have learnt in the text.Y:Nice to meet you,Dr.First,can you briefly explain what cloning is?E:Y:Ok.How many kinds of cloning are th

17、ere?E:Writing 在学习了在学习了“克隆克隆”这一单元后,我班同学展开这一单元后,我班同学展开了关于了关于“克隆的利与弊克隆的利与弊”的激烈讨论,不同的的激烈讨论,不同的人持有不同的观点。请根据下面的中文提示,人持有不同的观点。请根据下面的中文提示,用英语写一篇短文。用英语写一篇短文。【写作内容】【写作内容】1.主题主题2.观点:一些同学认为观点:一些同学认为“克隆利大于弊克隆利大于弊”,理由,理由是克隆有利于提高农作物的产量,保护濒临灭是克隆有利于提高农作物的产量,保护濒临灭绝的动物以及用于人类医学研究等。另一部分绝的动物以及用于人类医学研究等。另一部分同学认为同学认为“克隆弊大于

18、利克隆弊大于利”,原因是它是一种,原因是它是一种反自然的过程,且克隆产物没有灵魂和思想,反自然的过程,且克隆产物没有灵魂和思想,非常危险,尤其是像邪恶头目等克隆人。非常危险,尤其是像邪恶头目等克隆人。3.你的观点你的观点 Recently,a heated discussion about the advantages and disadvantages of cloning was carried out in my class after learning the Lesson Cloning and the classmates opinions vary from person to

19、person.Some classmates held that its advantages outweighed disadvantages because cloning is beneficial to raise/increase the output of crops,protect the endangered animals and human medical research.While others put forward the opposite idea due to that it is an anti-natural process.Whats more,the c

20、lones have no souls or thoughts which are very dangerous,especially those cloned evil leaders.As far as I am concerned,I cant agree with the former opinion more.Assignment Suppose you were a cloned product(a plant or an animal),try to introduce yourself.You may refer to the following information:1.Where/How do you come from?2.What characteristics do you have?3.The reason why you are produced.4.What do you plan to do in the future as a clone?(You are required to use at least one appositive clause)

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