人教课标版高中英语选修8Unit2 Using Language共80张

1、Unit 2 Cloning,Using Language,which film are these pictures,from,Have you ever seen the film,Jurassic Park,Introduce the film,Jurassic Park,1.Where are the dinosaurs from,in the film,2. Can you see dinosaurs in our,real life? Why,3. Do you think it is possible to,clone dinosaurs,The Return Of The Di

2、nosaurs,Task one -Skimming,match the main idea of each paragraph,Para1 conclusion,Para2 requirements of cloning,extinct animals,Para3 peoples excitement and,history of cloning development,Task 2 -scanning,Para1 (peoples excitement and history of,cloning development,Fill in the blanks,The popularity

3、of cloning fierce and,extinct animals like dinosaurs not only,excites _but also _,But we are _from being,able to do it. It was in the 1950s that the,first clone _ with frogs. The,first clone of a mammal _in,1996 and the cloning of mammals is still,_,film makers,ordinary peopl,a long way/far,started/

4、began,occurred/happened,a new science,Task 2 -scanning,Para2 (requirements of cloning extinct animals,Make a list of the requirements of,cloning extinct animals,Requirement,1,perfect DNA,Requirement,2,enough diversity,genetic variation in the group of cloned,animals to,Requirement,3,a suitable habit

5、at for,them to lead a natural life,Task 2 -scanning,Para3 (conclusion,Question: Is the return of the extinct,wild animals like the dinosaurs,possible,The chance of dinosaurs returning,to the earth is,merely,a dream,Dont get discouraged,Based on what we know now, you cant,clone animals that have been

6、 extinct,longer than 10,000 years ago,Cloning extinct animals that died out,within 10,000 years is,possible,May the best animal win,Aurochs/ 1627,Quagga/ 1883,Great auk/ 1844,Dodo bird/ 1755,Task 3: Reading and,discussion,Read the information about,these animals and discuss in,groups of four which o

7、ne is,best worth,restoring,by means,of cloning,Task4: Writing,Make a list of your reasons and,the benefits of restoring it,refer to the example of Dodo,bird on page 17,Task 5: speaking,Give a report to persuade other,groups that the animal you choose,is best worth restoring,show time,Choose which an

8、imal win by voting,Even though it is possible to,clone extinct animals, people,hold different opinions about,whether it is appropriate to do,so,Whether _bring the extinct animals back to life,by cloning has caused different opinions among,people,Some people support the idea, _(think) that it is,an e

9、ffective way to save _ (endanger) animals,Furthermore, cloning the organs of animals can,provide a useful basis _the cloning of human,organs, which can _ (use) to save lives. Those,_are against it think cloning animals_( go,against the nature law and _might cause new,diseases because this technology

10、 is not perfect,enough. In my opinion, _ idea of animal cloning,is a great idea. But we humans should use this,Conclusion,Whether _bring the extinct animals back to,life by cloning has caused different opinions,among people,Some people support the idea, _(think,that it is an effective way to save_,e

11、ndanger) animals. Furthermore, cloning the,organs of animals can provide a useful basis,_the cloning of human organs, which can _,use) to save lives. Those _ are against it,think cloning animals_( go) against the,nature law and _might cause new diseases,because this technology is not perfect enough,

12、to,thinking,endangered,be used,who,it,for,goes,In my opinion, _ idea of animal cloning,is a great idea. But we humans should use,this technology _(proper,properly,the,Thank you,Arrange according to time,5. research using the embryos of mice,4. first experimental clones of cows,8. first experimental

13、clones of mice,7. work on the embryos of sheep and mice,2. Chinas first cloned twin calves,3. cloning of frogs,6. first clone of a mammal,1. cow gave birth to a bison,3 5 7 8 4 6 1 2,1,Scientists are still experimenting with cloning,mammals because they think it can make,money,2,The animals that hav

14、e disappeared from the,earth, like dinosaurs, can be brought back to,life through cloning,3,If we can clone any extinct animals, we,should let them live in a zoo,F,F,F,True or False,1.The writer of the text _,A. is excited by the possibility of cloning,fierce and extinct animals,B. believes that ext

15、inct animals can be,brought back to life by cloning,C. thinks it impossible or unsuitable to clone,extinct animals like dinosaurs,D. dreams of dinosaurs returning to the,earth,Choose the best answer,C,2. The film,Jurassic Park,is popular,because _,A. people are interested in the subject of,cloning,B

16、. all the actors are dinosaurs,C. it was directed by a scientist who,clones dinosaurs,D. it proves very interesting,A,3. Which of the following is true,A. Mice were cloned in 1981,B. Dolly the sheep was the first cloned,animal,C. The name of the cloned cow is “Bison,D. China was successful in clonin

17、g,mammals,D,4. The reasons why a group of cloned animals,all die of the same illness do NOT include _,A. they have the same arrangement of,genes,B. there isnt enough diversity in the group,for it to overcome illnesses,C. the illness is a new one,D. their arrangement of genes can not,resist that new

18、disease,C,5. We can infer from the text that _,A. 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 years,B,Read the text and answer the,questions,1,Why shouldnt you

19、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 live in a zoo,It is not a good idea to clone an animal,that would live in a zoo b

20、ecause 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 for cloning, for it ca

21、nt,survive so long,Give some reasons why it is either impossible,or unsuitable to clone extinct animals,Reason 1,Reason 2,Reason 3,You need perfect DNA,There is not enough diversity for,cloned animals to overcome new,diseases,It would be unfair to clone any,extinct animals if they would have,to live

22、 in a zoo,Advantage of diversity,Disadvantage of diversity,Diversity in a group of cloned animals,If there is a new illness,some of these animals,may die, but others,will survive and,passed on the ability,to resist that disease,to their children,They would all have the,same arrangement of,genes and

23、so they might,all die of the same,disease,People interested in,Not only film makers but also,_,_ for its,impossibility,Perfect DNA is needed,There is not enough _ in,the group,A (n) _ would be,needed for the cloned extinct,animals,ordinary people,Reasons,diversity,suitable,habitat,_,The chance of di

24、nosaurs returning,to the earth is _,Conclusion,merely a,dream,Careful Reading,Choose synonyms,1. It proves how the idea,struck,a mixture of,fear and excitement,into,peoples,hearts,A. Have on the brain B. Confused,C. Droved people crazy D. Scared,2. From,time,to,time,people suggest that extinct,anima

25、ls,A. There was a time when B. Occasionally,C. All the time D. Each time,A,B,3. People suggest that dinosaurs, can possibly,be,brought,back,to life,A. Kept up B. resist,C. live on D. relived,4. The,initial,requirement is that you need,perfect DNA,A. Most thankful B. most pressing,C. most difficult D

26、. most needed,D,D,5. All efforts of cloning an animal will be,in,vain,if there is not enough diversity,A. go to waste B. useless,C. helpless D. meaningless,6. Others will pass on the ability to,resist,that,disease,A. oppose B. slide,C. hire D. indicate,B,A,7. The chance of dinosaurs ever returning t

27、o,the earth is,merely,a dream,A. only B. surely,C. abruptly D. miserably,A,1. The,popularity,of the film Jurassic Park,in which,a scientist clones several different,kinds of extinct dinosaurs, proves,how,the idea,struck,a mixture of fear and excitement,into peoples heart,电影侏罗纪公园的受欢迎证实了普通人对,这一话题是多么感兴

28、趣,在该电影中一位,科学家克隆了几种不同的绝种恐龙,本句是一个复合句,in which,引导非限制,性定语从句,修饰,the film”; how,引导宾语,从句,作,prove,的宾语,Language,Points,Many people who had seen the film were,afraid to go to the forest when they,remembered the scenes _ people were,eaten by the tiger,A. in which,B. by which,C. which,D. that,解析,答案,A,题意为“很多看过这部

29、电影的人,当回想到人被老虎吃掉的情景时,就不敢去森林,了”。本题考查“介词,关系代词”引导的定语从,句。,people were eaten by the tiger,是定语从句,先行词,the scenes,在定语从句中作地点状语,表示,在这种场景中”所以选,A,A,popular,adj,popularity,n,strike,v,打,撞击,罢工,strike into ones heart,使,刻骨铭心,He struck a knife into the traitors heart,他将刀戳入卖国贼的心脏,2,Do/make/carry out/perform an experime

30、nt,on/in/with,做,实验，对,做实验,3. from time to time,有时；偶尔；时常,4,bring back to life,使复生,区别,bring back to life,与,come to life,bring back to life,是从某个事情中,给唤回,到现实生活中,比如,从睡梦中醒来,有点,恍然大悟的意思,或者是从生死关头逃离出来,幸好得以保命之类,而,come to life,指出生,有生,以来,5. but others will survive and,pass on,the,ability to,resist,that disease,to,

31、the next,generation,1,pass onto,传递,留给,Would you pass it on to the next person,把它传给下一个人好吗,2,resist,vt,抵抗，反抗；抗拒,The nation was unable to resist the invasion,该国无力抵抗侵略,6. Based on what we know now, you cannot,clone animals that have been extinct longer,than 10,000 years,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,Ba

32、sed on what we know now,是过去分词短语,作状语,其逻辑主语一般和句子的主语相一致,_ by a greater demand for vegetables,farmers have built more green houses,A. Driven,B. Being driven,C. To drive,D. Having driven,解析,答案,A,题意为“由于受到更大的蔬菜量,需求的推动,农民修建了更多的温室”。根据,by,应用被动,排除,C,和,D,根据后边的完成时态,驱动力已经有了,不是正在推动,故选,A,A,Fill in the blanks with t

33、he words given,1. She was _ by her husbands death,2. My uncle comes to have dinner with us,_,3. He has been working so hard at his lessons, so he,_ pass the exam this time,4. Finally his efforts _,5. All of them were strongly _ the project,cast down,from,time,to,time,cast down pay off in favour of,f

34、rom time to time be bound to,is,bound,to,paid,off,in,favour,of,Is cloning cruel? Listen and see whether,you agree with Xiao Qing or Rachel,1 Read these statements before listening,Tick those that you hear,1. Cloning will bring dead pets to life,2. There were 627 experiments before Dolly,was successf

35、ully cloned,3. Cloning may help cure serious illnesses,4. Its a dead end,5. Dolly the sheep was “middle,aged” when,she was born,6. So your grandmother would be able to,start her life all over again and live much longer,2 Listen to the tape again and then fill,in the chart,Marys ideas about cloning,c

36、ruel,to,animals,makes,them do unnatural things,it is a “dead end,weakens,the,species,Xiao Qings ideas about cloning,scientists are doing a wonderful job,may bring peoples favourite pets back to life,problems because it is a new science,it may provide cures for serious illnesses,Listening,Page 54,Rea

37、d these statements before you listen to,the tape. After listening tick the correct ones,1,Clare thinks human cloning will come soon,2,A clone is the same as the original donor,3,Parents who are unable to have their own,babies may want to buy cloned babies,4,Clare believes human cloning will bring,un

38、expected problems,5. Wang Qiao thinks it is moral to clone babies,for parents who cannot have children,1,Why does Clare think people will want,to buy cloned babies,2,What problem does Clare think people,havent thought of,3,What do you think of the idea of cloning,babies? Why,4,Do you think it is nec

39、essary to stop,cloning experiments,Listen to the text again and answer the,following questions,Why does Clare think people will want to buy,cloned babies,What problem does Clare think people havent,thought of,Clare thinks people will want to buy cloned,babies if they cannot have babies of their own,

40、People have not thought that there may be,dishonest laboratories who will produce and,sell cloned babies like a baby factory,What do you think of the idea of cloning,babies? Why,Do you think it is necessary to stop cloning,experiments? Give your reasons,Various answers are possible but each needs,a

41、reason to be considered correct,Various answers are possible but each needs,a reason to be considered correct,Listening task on Page 57,2 Listen to the tape for the first time,Keys: 1 O 2 O 3 F 4 O 5 F,6 O 7 F 8 O 9 O 10 F,3 Listen to the tape for the second time,Keys: 1. He wants to make his mother

42、 happy by,keeping her pet dog alive forever and he also,wants to take the chance to America for holiday,when the dog is being cloned there,2. Frank doesnt agree with cloning because he,thinks cloning is very expensive and it has,many moral problems,3. Billys mother is in favour of cloning,She is sav

43、ing money to go to America to,have her pet dog cloned just before it dies,4. Various answers are possible,Arguments for cloning pets,Arguments against,cloning pets,1. It is very expensive to,clone a pet,2. It is selfish because it is,an excuse for a holiday,3. It is selfish because it,means the stud

44、ent can,study abroad without his,mother complaining,1. It is moral to make my,mother happy,2. It can provide an excuse,for a holiday abroad,3. My mother will need,her pet when I am away,4,Listen to the tape again,Finish the following chart,Workbook,Reading task,A DEBATE,Medical cloning” is a medical

45、 cure using cells from,an embryo to cure very serious illnesses. The idea is,to take healthy cells from a patient and create copies,that can be used to repair damaged or diseased parts,of the patient. In theory, medical cloning will be very,useful for curing patients but a large amount of,research i

46、s organized by the government and is,strictly controlled,Background,The research can,Create cloned human cells (but not older,than 14 days,Be used to better understand early human,development,Be used to help with genetic diseases of old age,Be used for transplants for incurable,conditions without th

47、e problem of transplant,rejection,While having a debate, several things,to remember,The person who is leading the team that supports,the topic will speak first,The person who is leading the team that disagrees,with the topic will speak next,Then other people can take turns to speak in a,free discuss

48、ion,Everyone must listen when other people are,speaking,No one can be rude to other speakers and,must always talk to the chairman,The chairperson will stop anyone who,repeats arguments that have already been,made,Anyone can reply to another persons,argument,Team,Whats their,argument,Two reasons,for

49、/ against,medical,cloning,A,For medical cloning,B,Against medical,cloning,Read the arguments above and fill in,the chart. (Page 59,Team A: two reasons for medical cloning,1,To cure serious illnesses that have no cure at the,moment,2. to help people who have diseases which make them,gradually lose th

50、eir ability to move easily or to think,Team B: two reasons against medical cloning,1,To make the stem cells that will cure an illness of,one person, you have to Kill another human being,2. Scientists are worried about the efficiency of the,system,Language Points,1.It is a sort of competition with a

51、chairperson,in charge,to make sure of fair play,它是一种竞赛,由主持人负责确保竞争的公平,in charge,主管,领导,负责,处于领导或管理,的职位,the security agent in charge at the airport,机场保安部的负责人,2. After that, the issue can be discussed by anyone,in the room one,at a time,然后,房间里的每个人都可以对问题进行讨论,每次只能有一人发言,at a,time,依次,逐一,每次,Dont try to do everything at once, take it a bit a