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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,人教课标,高二 选修,8,Unit 2,福州二中 林宇萍,人教课标,Lead-in,Lead-in,surgeons in an operation,surgeons in an operation,a lung transplant operation,a lung transplant operation,人教版高中英语选修8:人教版-选修八-Unit-2-cloning-ppt课件,a waiting list,a waiting list,Warming up,What may be the,to the problem?,solutions,Warming upWhat may be the,Warming up,“The potential of gene technology is beyond the comprehension of most people today,-,Dr Patrick Dixon - Wall Street Journal (E),Cloning,Warming up “The potential o,What?,How?,Why?,Cloning, ,Pre-reading,What?How?Why?Cloning Pre-rea,Reading for structure,Activity 1: Individual reading,Find out the,key word(s),in each part.,Reading for structureActivity,A.,Cloning has two major uses. Firstly, gardeners use,it all the time to produce commercial quantities of plants.,Secondly, it is valuable for research on new plant species,and for medical research on animals. Cloning plants is straightforward while cloning animals is very complicated.,It is a difficult task to undertake. Many attempts to clone mammals failed. But at last the determination and patience,of the scientists paid off in 1996 with a breakthrough - the cloning of Dolly the sheep. The procedure works like this:,A. Cloning has two major u,B.,On the other hand, Dollys appearance raised a storm of objections and had a great impact on the media and public imagination. It became controversial. It suddenly opened everybodys eyes to the possibility of using cloning to cure serious illnesses and even to produce human beings.,B. On the other hand, Doll,C.,Cloning has always been with us and is here to stay. It is a way of making an exact copy of another animal or plant. It happens in plants when gardeners take cuttings from growing plants to make new ones. It also happens in animals when twins identical in sex and appearance are produced from the same original egg. The fact is that these are both examples of natural clones.,C. Cloning has always been,D,. Although at present human egg cells and embryos needed for cloning research are difficult to obtain,newspapers wrote of evil leaders hoping to clone,themselves to attain their ambitions. Religious leaders also raised moral questions. Governments became nervous and more conservative. Some began to reform their legal,systems and forbade research into human cloning, but other countries like China and the UK, continued to accumulate evidence of the abundant medical aid that cloning could provide. However, scientists still wonder whether cloning will help or harm us and where it is leading us.,D. Although at present hum,E,. On the one hand, the whole scientific world followed,the progress of the first successful clone, Dolly the sheep.,The fact that she seemed to develop normally was very,encouraging. Then came the disturbing news that Dolly had,become seriously ill. Cloning scientists were cast down to find,that Dollys illnesses were more appropriate to a much older,animal. Altogether Dolly lived six and a half years, half the,length of the life of the original sheep. Sadly the same arbitrary,fate affected other species, such as cloned mice. The questions,that concerned all scientists were: Would this be a major,difficulty for all cloned animals? Would it happen forever?,Could it be solved if corrections were made in their research,procedure?,E. On the one hand, the,F.,F.,Reading for structure,Activity 2: Group work,Join,the 6 parts,(5 paragraphs and 1 picture),into,a complete passage,and explain the reasons.,Reading for structureActivity,E,On the one hand, the whole scientific world followed the progress of the first successful clone, Dolly the sheep. The fact that . Then came the disturbing news that . Cloning scientists were cast down to find that . Altogether Dolly lived of the original sheep. Sadly the same arbitrary fate . The questions that concerned all scientists were: Would this be a major difficulty for all cloned animals? ,B,. On the other hand, Dollys appearance raised a storm of objections and had a great impact on the media and public imagination. It became controversial. It suddenly opened everybodys eyes to the possibility of using cloning to cure serious illnesses and even to produce human beings.,A,.,Cloning has two major uses. Firstly, . Secondly, . Cloning plants while cloning animals is . Many attempts failed. But at last the determination and patience of the scientists paid off in 1996 with a breakthrough - the cloning of Dolly the sheep. The procedure works like this:,F,the procedure chart,C,. Cloning has always been with us and is here to stay. It is a way of making an exact copy of . It happens in plants . It also happens in animals . The fact is that these are both examples of natural clones,.,D,.,Although at present human egg cells and embryos needed for cloning research are difficult to obtain, newspapers wrote of evil leaders hoping to . Religious leaders also . Governments . Some began to , but other countries like China and the UK, . However, scientists still wonder whether cloning will help or harm us and where it is leading us.,On the one hand,On the other hand,The procedure works like this:,Cloning has always been with us and is here to stay.,However, scientists still wonder whether cloning will,help us or harm us and where it is leading us.,E On the one hand, the who,Reading for details,Para.1,-Introduction of Cloning,What is cloning? (definition),It is a way of,making an,exact copy,of another animal or plant.,Reading for detailsPara.1 -I,Reading for details,Para.2,-Introduction of Cloning,What are the two major uses of cloning?,Firstly, gardeners,.,to produce,commercial,.,Secondly, it is valuable for,research,on.and,for medical,research,on.,Reading for detailsPara.2 -I,Para 3,The problems of Dolly,First,the fact,that Dolly developed,normally,was _.,Then,the news,that Dolly had become seriously ill,was _.,Finally,the problem,that occurred to the scientists,was that many cloned animals have the same _,fate,.,encouraging,disturbing,arbitrary,Reading for details,Para 3The problems of DollyFir,Para 3,The problems of Dolly,Reading for details,What,are,“the same,arbitrary fate,” of many cloned animals,?,A. They may develop the illnesses of older animals.,B. They may die younger than the provider.,C. They develop normally.,Para 3The problems of DollyRea,Para 4,The impact of Dolly,What,are,the influences of Dollys appearance?,A. A large number of people disagree on cloning,animals.,B. The,m,edia,rushed to report the development of,cloning.,C. People began to imagine using cloning to cure,serious illnesses,and to produce human beings.,raised a storm of objections on,Cloning had a great impact on the media and.,It opened everybodys eyes to the possibility of using cloning to cure serious illnesses and even to produce human beings.,Reading for details,Para 4The impact of Dolly Wh,Para 5,Peoples reactions to cloning,For,Against,evil lead,ers,religious leaders,some government,s,China and,the,UK,Reading for details,Para 5Peoples reactions to cl,Post reading,Activity 1:Discussion,What is your attitude towards cloning ?,Why?,I think I,am,for/ against cloning,because_.,Post readingActivity 1:Discuss,I want to clone my dad,and have him as a baby,Post reading,Do you really want a cloned you?,I want to clone my dad Post r,Me, Myself or Ourselves,Me, Myself or Ourselves,Our cloning technology is not perfect. Some,cloned babies have deformity(,畸形),from birth.,Our cloning technology is,Because clone is a very complex, very difficult high-tech, there exists lots of unpredictable change, sometimes we may even create some monsters.,Because clone is a very com,Activity 2:,Why do you think the author use the title,“where is it leading us?”,where will cloning lead us?,Post reading,Activity 2:where will cloning,Where will cloning lead us?,We should use cloning in a wise way !,Post reading,Where will cloning lead us?We,Assignment,1.,Read,the passage again for more details.,2.,Surf,the internet to learn more about cloning.,3,.,Write,a passage entitled,Where will cloning lead us?,Suggested reading:,http:/en.wikipedia.org/wiki/Cloning,http:/en.wikipedia.org/wiki/Dolly_(sheep),http:/learn.genetics.utah.edu/content/tech/cloning/whatiscloning, the passage a,Thank you!,Thank you!,