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课时分配 In this class we’ll learn a passage about cloning, but before we come to the text, can you guess how a clone is produced? 4. Dolly the sheep was the first successful clone of a mammal 5.Natural clones happen in animals as will as in plants. 1.Dolly the sheep_____. A. looked exactly like the sheep that provides the egg. B. was the exact copy of the sheep that provides the nucleus. C. looked like the sheep that gave birth to it. D. had the characteristics of all three sheep. 2. It can be inferred from the passage that a cloned animal_____. A. usually lives as long as the original one B. usually lives longer than the original one C. usually lives longer than the original one D. is usually as healthy as the original one 3. Which of the following is not an advantage of cloning? Cloning can be used for medical purposes. Large quantities of food can be produced by cloning. Cloning can help keep animals from becoming extinct. Famous persons who have passed away can be cloned. 4. What is people’s fear about human cloning? Which of the following is wrong? Cloned Hitlers would do harm to the world. Cloned people may be killed at will for medical aid. A woman would have difficulty recognizing her real husband. Men will die out because a woman can give birth to a baby without a husband. Reading – III Detail reading ( 8ms )Fill in the chart using the information from the text. Practice – discussion ( 8ms ) Choose one of the following questions to discuss in groups. The leader of each group should write down every member’s opinion, then the volunteers will show your group work to the whole class: Questions: Do you support the idea of producing human embryos(胚胎)for medical purposes?Why? Do you think it a good idea to use cloned humans for organ(器官)transplants? Why? Do you think a cloned human should have human rights? Why? Do you think cloned humans will have the same talents as the original ones? Why? Assignment Surf the Internet
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