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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 2 Cloning,The return of the dinosaurs?,Unit 2 CloningThe return of th,enjoy a video,enjoy a video,Enjoy some pictures about dinosaurs.,霸王龙,tyrannosaurus,剑龙,stegosaurs,Enjoy some pictures about dino,角龙,ceratopsia,翼龙,pterodactyl,角龙 翼龙,雷龙,brontosaurus,雷龙,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 returning to the earth,Skimming,1.The writer of the text _,1.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 interesting,A,Scanning,para.1,1.The film Jurassic Park is p,2.Which of the following is true?_,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 mammals.,2.Which of the following is t,True or false,Scientists are still experimenting with cloning mammals because they think it can make money.,The animals that have disappeared from the earth,like dinosaurs,can be brought back to life,through cloning.,If we can clone any extinct animals,we should let them live in a zoo.,F,F,F,in their natural habitat,merely,a dream.,Para2-3,True or falseScientists are,In pairs,sum up the reasons why it is either impossible or unsuitable to clone extinct animals.,Reason 1:,Reason 2:,Reason 3:,You need perfect DNA,(initial),There is not enough diversity for cloned animals to overcome new diseases.,(in vain),It would be unfair to clone any extinct animals if they were to live in a zoo.,In pairs,sum up the reasons w,Choose the synonym.,1.proves how the idea,struck,a mixture of fear and excitement,into peoples hearts.,A.have sth.on the brain B.confused,C.droved people crazy D.scared,Post-reading,Choose the synonym.1.proves,2.People suggest that extinct animals like dinosaurs,can possibly be,brought back to life,.,A.kept up B.resist,C.live on D.relived,3.The,initial,requirement is that you need perfect DNA.,A.most thankful B.most pressing,C.most difficult D.most needed,2.People suggest that extinc,4.All efforts of cloning an animal will be,in vain,if there is not enough,A.go to waste B.useless,C.helpless D.meaningless,5.Others will survive and pass on the ability to,resist,that disease to.,A.oppose B.slide,C.hire D.indicate,4.All efforts of cloning an a,6.So the chance of dinosaurs ever,returning to the earth is,merely,a dream.,A.only B.surely,C.abruptly D.miserably,6.So the chance of dinosaurs,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 10000 year,We can infer from the text t,Which extinct animals are worth restoring by means of cloning?Choose one of them,to talk with your partner,s,.Give your reasons.,Discussion,Which extinct animals are wort,Use these words to organize,your report logically.,firstly,secondly,thirdly,finally.,whats more,in addition,.,therefore/so,.,Use these words to organize,1.Follow the example on page17,write your own report.,2.阳光课堂p26-27,Homework,Homework,Thank you!,Thank you!,
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