UnitCloningUusinglanguage新人教选修学习教案

1、会计学1UnitCloningUusinglanguage新人新人(xnrn)教选修教选修第一页，共22页。Listen and see whether you Listen and see whether you agree with Xiao Qing or agree with Xiao Qing or Rachel.Rachel.第1页/共22页第二页，共22页。Tick those that you hear. 1. Cloning will bring dead pets to life. 2. There were 627 experiments before Dolly was

2、 successfully 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. 第2页/共22页第三页，共22页。Listen and finish the following chart:Rachels idea

3、s about cloningXiao Qings ideas about cloning_ to animalsscientists are doing a _ jobmakes them do _may bring peoples favorite pets _it is a _ problems because it is a new science_ the speciesit may _ for serious illnessunnatural things“dead end”weakenswonderfulback to lifeprovide curescruel第3页/共22页

4、第四页，共22页。第4页/共22页第五页，共22页。 1.Why shouldnt you clone an extinct animal if there isnt enough diversity in the group? 2.Why is it wrong to clone an extinct animal if it would live in a zoo? Reading第5页/共22页第六页，共22页。1.Why shouldnt you clone an extinct animal if there isnt enough diversity in the group? T

5、here 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? Because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.第6页/共22页

6、第七页，共22页。第7页/共22页第八页，共22页。1.The writer of the text_ . A. is excited by the possibility of cloning fierce and extinct animals B. believes that extinct 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 re

7、turning to the earth主旨主旨(zhzh)大意大意第8页/共22页第九页，共22页。第9页/共22页第十页，共22页。细枝末节细枝末节(x zh m ji)2. The film Jurassic Park is popular because_. A. people are interested in the subject of cloning B. all the actors are dinosaurs C. it was directed by a scientist who clones dinosaurs D. it proves very interestin

8、g第10页/共22页第十一页，共22页。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 cloning twin calves.第11页/共22页第十二页，共22页。4. The reasons why a group of cloned animals all die of the

9、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 disease第12页/共22页第十三页，共22页。5. We can infer from the text that_ A. scienti

10、sts 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推理推理(tul)判断判断第13页/共22页第十四页，共22页。 May the best animal win! Now in pairs discuss which extinct animals described below

11、are worth restoring by means of cloning. Choose one and use the information to help you argue why this animal should be restored to the earth.第14页/共22页第十五页，共22页。Aurochs (1627)Dodo bird (1755)Quagga (1883)第15页/共22页第十六页，共22页。Aurochs (1627)Large wild cattle; long horns and hair; hair good for making in

12、to clothes; horn can be used for decoration; need grasslands.第16页/共22页第十七页，共22页。Dodo bird (1755)Unable to fly; friendly and not harmful; large eggs and tasty meat that could be developed for food; needs hot climate.第17页/共22页第十八页，共22页。Very large bird that cannot fly；lives by and in the sea; feathers do not absorb water; useful for protecting clothes from water.第18页/共22页第十九页，共22页。Quagga (1883)Skin looks like a zebra; can be used for decoration; meat very tasty; needs warm climate.第19页/共22页第二十页，共22页。第20页/共22页第二十一页，共22页。She resisted being carried off.她拒绝被带走。她拒绝被带走。