Unit2Cloning知识讲解话题语言应用——克隆

1、话题语言应用克隆编稿：牛新阁审稿：王春霞语言积累 交际用语1接受与拒绝Im happy to accept. but.我很高兴接受 ，但是I can / cannot accept your argume nt because.我能 /不能接受你的说法，因为I support. because.我支持因为No, I can agree with. because.不，我不同意 因为I agree with / could never agree to. because. 我同意 /永远也不同意 因为How can you believe that? 你怎么能相信那事呢？Your argume

2、nt has convinced me because.你的理由说服了我，因为 I would like to agree with you but.我想同意你的看法，但是 Do you think it is wise to.? 你认为做明智吗？No, that is not reason able because.不，那不合理，因为 Is it fair to.? 做公平吗？I don care for your ideas because.我不接受你的观点，因为.I don mi nd but.我不介意，但是 2. 表扬与鼓励Your ideas sound very encouragi

3、ng to me .你的观点在我看来很鼓舞人心。That a good / great idea .好主意。Well done to you for.做得好话题语句(1) 有关克隆：1. What cloning? Cloning is a way of making an exact copy of ano ther ani mal or pla nt.2. 两种克隆：man-made clones人工克隆natural clones自然克隆3. How a clone is produced?The cloning of plants is simple and relatively ea

4、sy. It can be done by taking cuttings (man-made cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996.4. Dolly the sheep was the first successful cloneof a mammal (哺乳动物)5. Animal cloning raised arguments an

5、d scientists are not sure about its future. 要点提示：relatively相对来说cutting插枝runner蔓，纤匐枝 complicated结构复杂的Clone an extinct animal ?克隆灭绝动物？1. Why should n you clone an extinct animal uni ess there is eno ugh diversity in the group ? There will not be eno ugh gen etic variation in the group to be able to re

6、sist new illnesses2. Why is it wrong to clone an extinct animal if it would have to live in a zoo?It is not a good idea to clone an ani mal 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 ani m

7、al.3. Why can you clone the DNA of ani mals that have bee n ext inct Ion ger tha n 10,000 years?The DNA of animals more than 10,000 years old is not suitable for cloning, for it cant survive so long.要点提示：extinct 灭绝的diversity 多样性 variation 变化（vary v.变化） habitat 栖息地survive 幸存Questions to discuss:1. Do

8、 you support the idea of producing human embryos （胚胎 ） for medical purposes? Why?2. Do you think it a good idea to use cloned humans for organ transplants? Why?3. Do you think a cloned human should have human rights ? Why?4. Do you think cloned humans will have the same talents as the original ones?

9、 Why?要点提示：for medical purposes 为了医用目的organ transplants 器官移植cloned humans 克隆人human rights人权original原来的，起初的话题语句（2）Advantages and disadvantages of cloningAdvantages1. to produce commercial quantities of plants2. be useful for research on new plant species3. be useful for research on animals.4. to help

10、cure serious illnessesn huma ns.Disadvantages1. may develop the ill nesses of older ani mals.2. may die youn ger tha n the donor ani mals.3. Evil leaders may want to clone themselves to attain their ambiti ons.may be misused by bad people4. may cause some moral and religious problems.要点提示：commercial商业的 species物种 do nor捐赠者，供体evil邪恶的moral道德上的religious宗教的Two reasons for/against medical cloningFor:1. to cure serious ill nesses that have no cure at the mome nt2. to help people who have diseases which make them gradually lose their ability to move easilyor to thi nkAgainst：1.