高中英语必修5Unit 3 Science versus nature-The perfect copy

Unit3 Science versus nature-The perfect copyStep 1 Warming upUnderstand the meaning of this title “the perfect copy”Talk about the meaning of “copy”Step 2 Lead inTalk about Dolly, know some information about cloning and learn some new words.Step 3 Speed-readingRead quickly and answer the following questions1.What is cloning?2.How many scientists are mentioned in this text? Who wants to clone a human being?Step 4 Further-readingListen to the text and find out the main idea of each paragraph.Para 1_.Para 2_.Para 3_.Para 4_.Para 5_.Para 6_.Step 5 Reading in detailRead each paragraph of this text carefully, and then find out agreement and disagreement about cloning.AgreementDisagreementStep 6 Discussion1.Whats the writers attitude to cloning?2.Whats your opinion about cloning human beings?3. What do you think is “the perfect copy”?Step 7 Homework1. Read the text again and try to find out your favorite sentences.2. If you had the right, what would you like to clone? Why? Please write a short passage (100 words or so).Read and answer the questionsRome-Doctors and medical groups around the world last weekend reacted with strong opposition(反对) to the news that an Italian scientist is on the brink of cloning the first human baby.Dr. Severino Antinori, who is the head of a hospital in Rome, has been referred to in an Arab newspaper declaring that one of his patients is eight weeks pregnant (怀孕) with a cloned baby.Antionori refused to comment on the reports, but in March 2001 he said he hoped to produce a cloned embryo. So far seven different kinds of mammals have already successfully cloned, including sheep, cats and most recently rabbits.Doctors showed their doubt and were strongly opposed although they admitted that human cloning would finally come true unless there was a worldwide ban on the practice.Professor Rudolf Jaeniscb of the Whitehead Institute for Biomedical Research at the Massachusetts Institute of Technology said: “I find it astonishing that people do this where the result can be foretold that it will not be a normal baby. It is using humans as guinea pigs. It makes people feel sick.”But Ronald Green, director of the Ethics Institute at Darmouth College in the US, said it is unlikely that an eight-week-old pregnancy would lead to a birth.So far all cloned animals have suffered from some different serious diseases, many of them dying soon after their births.Doctors are opposed to human cloning because they are worried about the life of the cloned child if there is one.“There are no benefits of cloned human beings, just harm,” said Dr Michael Wilks of the UK.1. What has happened to cloned animals so far?2. What is the doctors general a