1. Unit3 Science versus nature Welcome to the unit Unit3 英语 授课教师 王侠

2. versus It is France versus Brazil in the football final. prep. 对抗, 与... 相对

3. What do you know about clone? Brainstorming

4. Clone: a new technology which produces an exact copy of an animal or a plant from its own cells.

5. Read P41, and talk about the pictures in pairs. Discussion

6. Dolly and its creator What do you know about Dolly?

7. Dolly 1.the world’s first cloned adult animal 2.created by a Scottish scientist in 1996 3.sparked worldwide interests in cloning 4.died in 2003

8. 1.the world’s first cloned mule, born on May 4, 2003 2.created from a cell of his brother Idaho Gem

9. Cc Rainbow 1.the world's first cloned cat, Cc, born in December 2002 2.created using a cell taken from an adult cat, Rainbow

10. 1.the world's first cloned pigs, named Noel, Angel, Star, Joy, and Mary 2.produced from an adult female pig using a different technique from the one that produced Dolly

11. the world’s first cloned calves, born on 5 July 1998 in Ishikawa, Japan, the second adult-animal clones

12. 1.the first cloned monkey, named ANDi 2.the first genetically modified monkey ANDi

13. What are the differences between the cloned animals and the normal ones?

14. Do you think the cloned animals are as healthy as the natural ones? Dolly is, but scientists do not yet know whether this is the exception( 例 外 ) or the rule. Some early evidences suggest that clones may have health problems and that they may age prematurely ( 早衰的，未老先衰 ).

15. Supposing you are facing your second self who looks like you, talks like you and thinks like you, how do you feel? Discussion

16. Try to describe Bush’s feelings.

17. Do you think it would be a good idea to clone humans some day? Why or why not? Discussion

18.  1. Learn the new words.  2. Do A1A2. Homework