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Unit 3 Science and nature

Unit 3 Science and nature. Teaching aims and demands:. To learn a passage The perfect copy. To arouse the students’ interest in cloning and let them join in all the activities designed. To practice the students’ abilities of reading comprehension and speaking.

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Unit 3 Science and nature

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  1. Unit 3 Science and nature

  2. Teaching aims and demands: • To learn a passage The perfect copy. • To arouse the students’ interest in cloning and let them join in all the activities designed. • To practice the students’ abilities of reading comprehension and speaking.

  3. Do you know anything about cloning? ? What do you know about them?

  4. Lead in: Dolly was the first cloned mammal created by a Scottish scientist and his group in 1996. She was exactly the same as her mother, in appearance and in genes.

  5. Do you think it would be a good idea to clone humans some day?

  6. Reading The perfect copy

  7. Skimming

  8. Read the passage quickly and answer the following questions: 1. What is cloning? 2. What was the name of the first cloned mammal? 3. Is Pauline Carter for or against human cloning?

  9. 1. What is cloning? 2. What was the name of the first cloned mammal? 3. Is Pauline Carter for or against human cloning? Cloning is producing an exact copy of a plant or an animal using its cells. Dolly. She is against human cloning.

  10. Scanning

  11. Read the passage carefully and decide which of the statements below are true(T) or false(F). C 1 1、People all over the world are happy about the idea of cloning human beings. T/F 2、Dolly,the first cloned mammal, is exactly the same as other sheep. T/F 3、According to the article, the scientists who created Dolly does not agree with cloning human beings. T/F 4、Cloning can be used to cure diseases because it can produce new tissues and organs. T/F 5、Cloning human beings is illegal in many countries, so no scientists want to clone human beings. T/F 6. Both Colin Jake and Pauline Carter are against cloning humans. T/ F _

  12. Find the reasons why people are for or against human cloning in the article and write them in the table below. C 2 For human cloning Against human cloning 1 produce valuable tissues and organs that could be used to save human lives 1human life becomes like a crop to be harvested or a product for sale 2 2 3 3 4 5

  13. help those who are unable to have children help those who want to clone their dead children

  14. may produce a real-life monster would lead to more disease in the animal world cloning shows no respect for human life we should be having fewer babies in order to reduce the Earth’s population, not cloning more

  15. II. Complete the table. (Read the text and Part E)

  16. anxious Positive clone to Colin Jake

  17. copies focus/concentrate tissues against Pauline Carter wealth

  18. toy real-life

  19. Consolidation

  20. IV. Consolidation: 1. The announcement of successful human embryo cloning has caused much debate because _________. A. people still have no clear idea about the results of human cloning B. valuable tissues and organs can be used to save humans C. mankind is going to produce terrible monsters D. people know that nature will punish mankind for human cloning A

  21. 2. The success of the cloned sheep Dolly has proved that_________. A. cloning will create more diseases in the animal world B. cloned animals will die at a much younger age than normal C. man has been able to produce an exact copy from an adult cell D. man can interfere with（干涉） nature at his will C

  22. 3. How does a woman who cannot give a birth benefit from cloning? A. She can have a baby by using another woman’s egg. B. She can have a baby of her own. C. She can adopt someone else’s child by cloning. D. She can have more children. B

  23. 4. What can we infer from(推断）the whole passage? A. Cloning animals is illegal in Italy. B. Chinese scientists are trying to benefit mankind by using cloning technology. C. Chinese scientists want to be the first to clone a human baby. D. Colin Jake agrees with the scientists who want to clone a human baby. B

  24. Discussion

  25. If possible, do you want another person to be exactly the same as you?

  26. Consolidation test

  27. Homework • 1. Recite the new words and expressions in the passage. • 2. Read the passage more carefully and find the difficult sentences you don’t understand.

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