人教版高中英语选修八课件：Unit 2 Workbook(共32张PPT).ppt

1、WorkbookListeningPage 54Page 54Read these statements before you listen to the tape.After listening tick the correct ones.1.Clare thinks human cloning will come soon.2.2.A clone is the same as the original donor.3.3.Parents who are unable to have their own babies may want to buy cloned babies.4.4.Cla

2、re believes human cloning will bring unexpected problems.5.5.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 clon

3、ing babies?Why?4.Do you think it is necessary 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 i

4、f they cannot have babies of their own.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 a

5、nswers are possible but each needs a reason to be considered correct.Various answers are possible but each needs a reason to be considered correct.Answer keys for Ex.1 on Page 55(workbook):procedureassumptionbe bound to resistfrom time to timerestoringshortlyclawsbrought backAnswer keys for Ex.2(Tra

6、nslation)on Page 55(Workbook):1.in time2.in danger3.in vain4.in black pen5.in favour of6.In the meantime1.I adore homemade rectangular loaves made with brown flour and nuts.2.He is very conservative,and is even in favourof a constitution that gives few rights to immigrant voters.3.When the leader of

7、 the chorus retired from the opera,they held a dinner party for him.4.The media plays an important role in influencing public opinion.Answer keys for Ex.3(Translation)on Page 55:5.Dont bother about taking down those decorations yet.The Christmas celebrations arent over yet.6.The regulations for clon

8、ing animals are very strict.He was unable to continue his experiments.7.Dont bother yourself about cloning my pet cat.I wont expect to bring it back to life.8.The people in flooded areas owed a great deal to the PLA soldiers for their rescue work.Answer keys for Ex.1 on Page 56(workbook):1.C2.E3.A/F

9、4.B5.A/F6.DUsing structures Answer keys for Ex.2(Translation)on Page 56:Answer keys for Ex.2(Translation)on Page 56:1.that they should buy a new carthat they should buy a new car2.that they wanted the most expensive onethat they wanted the most expensive one3.that they would save for six monthsthat

10、they would save for six months4.that Sues uncle had died unexpectedlythat Sues uncle had died unexpectedly5.that she must follow when she inherited that she must follow when she inherited moneymoney6.that she should save all her money in the that she should save all her money in the bankbank7.that s

11、he was doing the right thing to use the that she was doing the right thing to use the money money Appositive clauses:1 3 4 Appositive clauses:1 3 4 Listening task on Page 57.Listening task on Page 57.1.Listen to the tape for the first time and finish Ex.2 on Page 57.Keys:1 O 2 O 3 F 4 O 5 F 6 O 7 F

12、8 O 9 O 10 FListening III(15ms)Listening III(15ms)Listening task on Page 57.Listening task on Page 57.1.Listen to the tape and finish Ex.3 on Page 57.Keys:1.He wants to make his mother happy by keeping her pet dog alive forever,and he also wants to take the chance to America for holiday when the dog

13、 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 saving money to go to America to have her pet dog cloned just before it dies.4.Various answers are possible.1.It is moral

14、 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.3.Listen to the tape again,then finish the following chart:3.Listen to the tape again,then finish the following chart:Arguments for cloning petsArguments for cloning petsArguments ag

15、ainst cloning petsArguments against cloning pets1.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 student can study abroad without his mother complaining.Listen to the tape again and complete these sentences.Listen to the

16、 tape again and complete these sentences.BILLY:Yes,and she knows_Shes read about _FRANK:You are encouraging _ _ Then you will _the cloning procedure.the cloning procedure.the experiments in America.your mother to love her dog,so she will want to clone it when it gets old.take advantage of that to ha

17、ve a good holiday.WorkbookReading taskA DEBATE“Medical cloning”is a medical 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

18、will be very useful for curing patients but a large amount of research is organized by the government and is strictly controlled.BackgroundThe 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

19、of old age Be used for transplants for incurable conditions without the problem of transplant rejectionWhile 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 sp

20、eak next.Then other people can take turns to speak in a free discussion.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

21、 another persons argument.Team Whats their argument?Two reasons for/against medical cloningAFor medical cloningBAgainst medical cloningRead the arguments above and fill in the chart.(Page 59)Team A:two reasons for medical cloning1.To cure serious illnesses that have no cure at the 2.moment3.2.to hel

22、p people who have diseases which make them 4.gradually lose their ability to move easily or to thinkTeam B:two reasons against medical cloning1.To make the stem cells that will cure an illness of 2.one person,you have to Kill another human being.3.2.Scientists are worried about the efficiency of the

23、 4.system.Language Points1.It is a sort of competition with a chairperson2.in charge to make sure of fair play.3.它是一种竞赛,由主持人负责确保竞争的公平。4.in charge:主管,领导,负责,处于领导或管理5.的职位6.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

24、,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 at a time.不要什么事情都一块干,要一次做一点。Take the pills two at a time.每次服2粒。at one time 一度,从前At one time I used to go skiing every winter.我有一度每到冬天就去滑雪。At one time they met frequently.一度他们经常见面。3.If you believe that huma

25、n life comes into existence as soon as the cells start to grow,then the practice of removing human stem cells from an embryo kills it.如果你认为人的生命从细胞开始生长的时候就开始存在的话,那么从胚胎中提取人类干细胞的行为就是杀人。写作任务:Give your opinion on cloning写作要求:注意记叙文的表达方式要写明白自己的观点,层次要分明。写作建议:本单元主要讲述了“cloning”存在的问题以及人们的态度,文中可适当就此进行发挥。Writing

26、 I Discussion (5ms)Discuss in groups and write down the information you get.After the discussion,the students write a passage according to the writing task.(There are at least 100 words.)Writing II (20ms)Writing III(12ms)Checking the articles.1.Ask the students to check the articles for their partne

27、rs.2.Show some articles on the screen,other students should give some advice.Together with the modern advances in science and technology,the news that Dolly had been born was announced in 1997.However,Dollys death raised many opinions about cloning.Personally,I would like to agree that cloning may d

28、o no good to our human beings.One possible versionFirstly,seeing Dolly,we may think that cloning animals can easily develop a disease.They cant live long.Secondly,we cant clone animals that have been extinct longer than 10000 years,even if the DNA of dinosaurs could survive this long.Thirdly,based on what we know now,human cloning is just a matter of time.But the assumption that human clones have already been born hasnt been proved yet.In one word,personally,the chances of cloning animals and cloning human beings living on the earth naturally are merely a dream.