公开课CLONING名师优质课获奖市赛课一等奖课件.ppt

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,*,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。,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,*,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。,Cloning:Where is it leading us?,Cloning,Unit 2,Reading,:,霍城县江苏中学,马瑞,第1页,What is the film about?,播放视频,第2页,Cloning is a way of making an exact copy of another animal and plant.,What is cloning?,Who is famous in the cloning field?,第3页,第4页,Do you know something about Dolly?,第5页,Unit 2,Can you predict the future of cloning?What is it leading us?,第6页,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,第7页,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,第8页,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,第9页,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,第10页,How do scientists clone a,sheep?,第11页,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,）,第12页,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,第13页,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,第14页,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,第15页,Discussion,Look at these pictures below at first.,第16页,If Bin Laden was cloned,explosions will be everywhere.The world war 3 may happen.It is a terrible thing.,第17页,The 10-year-old girl,Kinder died in an accident in America,clone can produce another girl for her brokenhearted parents.,第18页,At present our country lacks organs(器官）.The cloned man can transform his organs to his original one(本体),第19页,If they have the same face,they are no longer special to each other and their parents and teachers cannot distinguish(,区分）,them.,第20页,Is cloning good or bad for us?,第21页,Examples,Situation A:,I have a good friend named Tom,he has a lot of homework to do,he wants to clone a friend to help him do homework.,Situation B:,Jim is the only child in his family,he has no brother or sister.He always feels very lonely.He wants to clone some friends to play with him.,第22页,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,第23页,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 clone a friend to help him do homework.,Situation B:,Jim is the only child in his family,he has no brother or sister.He always feels very lonely.He wants to clone some friends to play with him.,第24页,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.On the other hand,if cloning is used in an evil way,it may cause disasters to us.So we must use it wisely.,第25页,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,第26页,Thanks for your attention,第27页,