Unit3theperfectcopy导学案.doc

Unit 3 Science Versus NatureReading The Perfect Copy.Teaching Aims and Demands A. Knowledge1. Enable the students to get some information about cloning.2. Enable the students to learn some different opinions on cloning.3. Help the students to learn how to understand scientific terms and analyze the passage according to the reading strategy.B. Feelings and Attitudes1. Get the students to form the right attitudes towards the advanced technologies.2. We should make good use of the advanced technologies to make our life better and better.C. Ability1. Develop the students cooperation spirit.2. Let students get some reading skills about scientific articles. Teaching importance and difficulties1. Talk about cloning and human cloning.2. How to describe the advantages and disadvantages of human cloning.Teaching procedures and waysStep1 Lead-in1. Do you know whats on the picture?2. What would you feel if there are so many people exact the same as you？3. What else do you know about cloning?Step2 Fast reading 1). Go through the passage quickly and try to find out the main idea of the passage.The reading passage mainly gives information about the _ among people which was caused by a recent _ about the first _ human _ . Profound consideration: Reading strategyHow to get the main idea of a scientific article? 2）Scan the text and then choose the best answers according to the text.1. We can learn from the two letters_. A. both of the writers are pro-cloning. B. both of the writers are anti-cloning. C. neither of the writers are against cloning. D. both of the writers are not for cloning human embryos2. The announcement of successful human embryo cloning has caused much debate because_.A. people still have no clear idea about the results of human cloningB. valuable tissues and organs can be used to save humans C. mankind is going to produce terrible monstersD. people know that nature will punish mankind for human cloning3. The success of the cloned sheep Dolly has proved that_.A. cloning will create more diseases in animal worldB. cloned animals will die at a much younger age than normalC. man has been able to produce an exact copy from an adult cellD. man can interfere with nature at his will4. According to the passage, what is the real intention of Ian Wilmuts cloning research?A. To create copies of humans in the end.B. To destroy human embryos in the end.C. To create new tissues or organs for sale.D. To cure deadly diseases eventually.5. How does a woman who cannot give a birth benefit from cloning?A. She can have a baby using another womans egg.B. She can have a baby genetically related to her.C. She can adopt someone elses child by cloning.D. She can have more childrenStep3 Detailed reading1) Structure analyzingPara1Different opinions on the first _ embryo cloningA newspaper article Para2Different opinions on the birth of Para3-5 Different attitudes towards cloning _ Para 6 _ scientists work on cloningTwo letters Pauline Carter is against human cloning. Colin Jake is for human cloning,.2) Read the article carefully, and finish the following exercises. Fill in each blank with one word.Attitudes towards the first cloned human embryoPro-cloningIt can produce tissues and organs that are of great (1)_.Anti-cloningWe are (2) _ to produce a real-life Frankensteins monster.Attitudes towards the birth of Dolly the sheepPro-cloningCloning is a wonderful (3) _ breakthrough.Anti-cloningCloning would (4) _ more disease in the animal world.Representatives(代表人物)Ian WilmutHe never (5) _ to create copies of humans. Instead, he thinks research efforts should concentrate on (6) _ diseases.Faye Wilson(7) _ to have a baby, she is (8) _ to have a child that is genetically related to her.Severino AntinoriHe wants to be the first to clone a human being.Chinese scientistsThey have focused their efforts on cloning animals and stem cells. China has achieved great (9) _ in producing clones of cows and goats, and continues to research ways cloning can be (10) _ to mankind.Step4 DiscussionDo you think there should be laws to prohibit human cloning? 1) Work in groups and discuss the question.2) List as many reasons as possible (at least three reasons) to support your views3) Choose a group leader to give us your oral report.Sentence patternsOn my personal note/From my point of view On one handOn the other handBesides; whats more; in additionSo my conclusion is that If I had the chance, I would HomeworkWrite a letter to the editor and express your opinions about cloning human embryos.Step5 HomeworkSome people believe cloning technology can be used to cure the patients with genetic diseases and save a lot of peoples lives. However, other people insist that cloning technology will cause ethical problem and violate human rights. No one can predict how negative the consequences could be. We have to take a cautious approach.I dont think its a good idea to clone humans even though we might have the ability to do so in the future. There are different reasons if you approach the issue from different angles. From the ethical point of view, I believe the disadvantages of producing cloned animals outweigh the advantages. If not handled properly, great confusion could arise. People could end up marrying their close