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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,*,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,*,Cloning: Where is it leading us?,Cloning,Unit 2,Reading,:,霍城县江苏中学,马瑞,What is the film about?,播放视频,Cloning is a way of making an exact copy of another animal and plant.,What is cloning?,Who is famous in the cloning field?,Do you know something about Dolly?,Unit 2,Can you predict the future of cloning? What is it leading us?,1.Match the main idea with each paragraph,A,.Two major uses and the,procedure of cloning.,B,.Cloning is a way of making an exact copy of another animal or plant.,C,.The effect of Dolly the sheep.,D,.It is forbidden to clone human beings.,E,.The problem of dolly the sheep.,Para.1,Para.2,Para.3,Para.4,Para.5,_,_,_,_,Fast reading,2.Main idea of this passage,The main idea of the text is_,A. animal cloning is very valuable and can benefit,the world.,B. animal cloning could be misused by bad people,so it must be forbidden,C. animal cloning is well developed because Dolly,the sheep was born.,D. animal cloning raised arguments and scientists,are not sure about its future.,main idea,Cloning happens both in _ and in_. They can be cloned by _ and _.,plants,animals,themselves,humans,Para 1,what is cloing?,Fill in the blanks,Careful Reading,1.How many major uses do cloning have?,Firstly, commercial,Secondly, research,2.,When was the cloning of Dolly the sheep born?,What did the scientists paid off with a breakthrough?,Para 2,1996,. It was their determination and patience that,paid off,.,The major uses and breakthrough of cloning,H,ow do scientists clone a,sheep?,产出,有核卵细胞,无核卵细胞,体细胞,取出细胞核,用电融合细胞,代孕母羊,细胞分裂形成胚胎,How to produce a sheep,（我也来当科学家,）,At first, the fact that Dolly developed _ in a natural way was _.,Later, the news _she lived for six years, half the length of the life of the _ one was _.,Finally, the problem that occurred to the scientists was that a cloned animal lives_ than the original one.,Para 3,The problems of Dolly,normally,encouraging,orginal,that,disturbing,shorter,read freely,1.At present human egg cells and embryos,needed for cloning research are easy to obtain.,2.Governments were nervous and more conservative.,3.Some governments began to reform their legal systems and permit reseach into human cloning.,4.Dolly,s appearance had a great impact on the media and public imagination.,Para 4& 5,True or False,difficult,forbade,The impact and peoples reaction to cloning,(work in pairs),T,F,F,T,Animal clones may die_ than the original animals,Gardeners use cloning to_,quantities of plants.,_ _ hope to clone themselves to attain their ambitions.,Cloning plants is _ for research on new plant species.,There are _ objections to cloning human beings.,Cloning can help save _ animals.,younger,produce commercial,Evil,leaders,valuable,moral,endangered,Detailed reading and discussion,Fill in the chart using the information from the text.,disadvantages,advantages,Discussion,Look at these pictures below at first.,If Bin Laden was cloned, explosions will be everywhere.The world war 3 may happen.It is a terrible thing.,The 10-year-old girl, Kinder died in an accident in America, clone can produce another girl for her brokenhearted parents.,At present our country lacks organs(,器官）,. The cloned man can transform his organs to his original one(,本体,),If they have the same face, they are no longer special to each other and their parents and teachers cannot distinguish(,区别）,them.,Is cloning good or bad for us?,Examples,Situation A :,I have a good friend named Tom,he has a lot of homework to do ,he wants to clon,e,a friend to help him do homework.,Situation B :,Jim is the only,child,in his family,he has no brother or sister.,H,e,always,feels very lonely.He wants to clone some friends,to play with him,.,A,B,A,:,I think,it is good,. Because on the one hand . ;on the other hand.,B,:,I think,it is bad,. Because on the one hand . ;on the other hand.,Discussion,A,B,A:,I think it is good . Because on the one hand . ;on the other hand.,B,:,I think it is bad . Because on the one hand . ;on the other hand.,Discussion,Situation A :,I have a good friend named Tom,he has a lot of homework to do ,he wants to clon,e,a friend to help him do homework.,Situation B :,Jim is the only,child,in his family,he has no brother or sister.,H,e,always,feels very lonely.He wants to clone some friends,to play with him,.,Summary:,From the passage, we can conclude that cloning has both good and bad aspects. On the one hand,if cloning is used in a correct way,it can benefit us,.,O,n the other hand,if cloning is used in an evil way, it may cause disasters to us.So we must use it wisely.,Write a passage titled,Is cloning good,or bad?,Your passage should include,the following,：,1)What is cloning,2)Advantages of cloning,3)Disadvantages of cloning,4)Your opinion of it,Homework,Thanks for your attention,
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