选修八unit2导学案(7页).doc

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1、-选修八unit2导学案-第 7 页单元检测一、重点单词1._相异；不同vi 2. _准确的，精确的adj.3. _商业的，贸易的adj. 4. _简单的，直接的adj.5. _承担，从事；承诺，答应v. 6. _突破n.7. _程序，步骤n. 8. _总共，完全的adv.9. _改正，纠正n. 10. _反对，不赞成vi.11. _媒体pl. 12. _获得，赢得vt.13. _获得，到达vt 14. _禁止，不准vt15. _积累，聚积vt. 16. _道德上的adj.17. _欠；归功于 18. _退休vi.19. _打扰，操心，烦扰v.20. _假定，设想n.21. _抵抗，对抗vt.

2、 22. _缺点，不利条件n.23. _仅仅adv. 24. _装饰n.25. _崇拜，爱慕vt. 26. _合情理的，讲道理的27. complicated _adj. 28. fate _n.29. constitution _n. 30. compulsory _adj.31. regulation _n. 32. _ 最初的，开始的adj.33. _公平的；相当的adv.34. restore _vt.二、重点短语1. _取得成功；偿清 2. _沮丧，不愉快3. _反对做某事 4. _一定会5. _感到；对刻骨铭心6. _不时的，偶尔 7. _使复生；使复活8. _白费力气，徒劳9.

3、_状况好/坏10. _把传递给11. _对有影响12. _使人见识 13. _一阵强烈的14. _ 禁止某人做某事三：完形填空 In the past, scientists have produced exact genetic copies of sheep and a few other animals. They 1 these clones from a single cell of an adult animal. Recently, a private group of scientists has announced 2 to make an exact copy of a h

4、uman being. Doctor Zavos, an American member of the team, says he and 3 will soon begin to clone humans and they hope to produce the worlds first cloned 4 within the next two years. Doctor Zavos says the new 5 group plans to offer human cloning to women unable to become 6 and produce children. The 7

5、 would be similar to that used to clone animals. It would 8 clearing genetic material from a womans egg. Doctors then would 9 genetic material from the womans husband into the egg 10 putting it in the womens body. Doctor Zavos says his 11 plans to do its work in a country near the Mediterranean Sea,

6、 but he did not 12 the country. He says an Italian reproductive expert, Severino Antinori, is 13 the team. Doctor Antinori has made 14 efforts to help many older women become pregnant. He is known for 15 pregnancies in women as old as sixty. Many medical experts and other groups 16 the idea of cloni

7、ng humans. Several doctors criticized the 17 by Doctor Zavos. They say doctors do not know if cloning humans is 18 or safe. They say it would be irresponsible to 19 to clone a human being. That is because the 20 of success are too small and the risks are too great.1. A. bought B. created C. discover

8、ed D. found2. A. plans B. results C. successes D. agreements3. A. another B. othes C. the other D.the others4. A. plant B. animal C. bird D. baby5. A. international B. national C. American D. Italian6. A. successful B. born C. pregnant D. fertile7. A. imagination B. technology C. story D. symbol8. A

9、. involve B. start C. make D. borrow9. A. translate B. place C. take D. make10. A. after B. while C. before D. on11. A. country B. group C. university D. company12. A. call B. found C. name D. consider13. A. managing B. running C. controlling D. leading14. A. high B. total C. great D. wide15. A. suc

10、cessful B. beautiful C. thankful D. sorrowful16. A. take up B. object to C. put up D. bring down17. A. announcement B. program C. subject D. idea18. A. careful B. interesting C. unable D. possible19. A. manage B. refuse C. attempt D. hope20. A. facts B. results C. sizes D. chances四语法填空Once there liv

11、ed a rich man 1 wanted to do something for the people of his town. 2 first he wanted to find out whether they deserved his help. In the centre of the main road into the town, he placed 3 very large stone. Then he 4 (hide ) behind a tree and waited. Soon an old man came along with his cow. “Who put t

12、his stone in the centre of the road?” said the old man, but he did not try to remove the stone. Instead, with some difficulty he passed around the stone and continued on his way. 5 man came along and did the same thing; then another came ,and another. All of them complained about the stone but not t

13、ried to remove 6 . Late in the afternoon a young man came along. He saw the stone, 7 (say) to himself: “The night 8 (be) very dark. Some neighbors will come along later in the dark and will fall against the stone.” Then he began to move the stone. He pushed and pulled with all his 9 (strong) to move

14、 it. How great was his surprise at last! 0 the stone, he found a bag of money.五阅读理解 AAfter a couple has had their first child, to their disappointment they became infertile and couldnt have more children. Cloning would enable such a couple to have a second child, perhaps a younger twin to the child

15、they already have. Many couples have difficulty having children, and sometimes it is impossible for couples to have children because they are infertile. Cloning would allow these couples to have children.It is hard to tell someone that they cannot use cloning to have children when no other possible

16、ways to have children are available. This is one reason why it is difficult to decide whether cloning is moral or not. The following are some of the reasons why cloning should be allowed.Through cloning, research can progress. We possibly can learn more about cell. We may develop technology to allow

17、 easier genetic testing and fixing problems such as spinal cord injuries, cancer, and many more.Cloning organs for organ transplants (移植) is one of the major practical reasons that cloning should be allowed. There is always a high demand for organs. Some argue for the cloning of humans to create ext

18、ra body parts. Others talk of just wanting to clone an organ to replace a faulty organ.Rejuvenation (恢复青春) is also a key argument for advocates (提倡) of cloning. Some scientists believe that injecting cloned healthy heart cells into damaged heart tissue will lead to healing of the heart. By combining

19、 the technology for cloning and the technology for growing human stem cells, conditions like Alzheimers, Parkinsons, and some other ageing disease may be curable. The possibilities are endless and may be left undiscovered if human cloning is forbidden.1. The underlined word “infertile” in Para. 1 me

20、ans “_”.A. unable to have children B. too poor to grow cropsC. poor in pregnant knowledge D. unable to afford to bring up children2. How many reasons does the writer give in this passage about why cloning should be allowed?A. 2. B. 3. C. 4. D. 5.3. Which of the following statements is NOT true?A. Cl

21、oning babies for infertile couples is moral.B. Through cloning, research work in cells can make great progress.C. Cloning cells can make some diseases concerning ageing curable.D. Cloning technology may help improve medical technology.4. From the passage, we can know the writers attitude toward huma

22、n cloning is _.A. negative B. supportive C. uninterested D. opposing BGoing to college has been such a new experience for me. Everything is different from when I was in high school. One thing Ive noticed is that I havent been focusing on my coursework like I planned. I thought I would spend most of

23、my college life studying. But since Ive been in college, about 60 percent of my time has been devoted to social life, while only 40 percent of my time has been devoted to my studies. I never knew I would make so many friends in such a short time.Its been so overwhelming (无法抵抗的)! Im not saying that m

24、aking friends is bad, but Im starting to realize how much socializing has cut down on the time I should have spent on studying. Needless to say, that has to be changed. Ive realized that I really dont want to spend an extra year or two here just because I slacked off as a freshman. So the first thin

25、g Im going to do is to cut down on the amount of time I spend socializing. I will also have to say goodbye to a good part of the activities I like to attend. Its really difficult to cut these things out of my life, but I have to choose: I can have a full-time social life and fail college, or I can l

26、earn to balance my time between friends and studying and keep good grades. I think Ill stick to that second option!I may be a little strict on myself, but Im here to get an education, not to learn how to socialize more! I want to have fun at college, but at the same time, I want to get a good educat

27、ion and have a bright future! 5. What did the writer realize about his first year at college?A. He doesnt work as hard as in high school.B. Teachers dont care about him any more.C. He could make quite a lot of friends.D. He could spend much time on study. 6. The writer makes a decision that he will

28、_.A. devote himself to his study rather than making friendsB. say good-bye to all his college activitiesC. cut down all his social life to have a good educationD. try not only to study well but also to have fun at college 7. The underlined phrase “slack off” in the fifth paragraph is closest in mean

29、ing to “_”.A. do ones best B. spare no effort C. have a good time D. make less effort8. We can infer from the passage that the writer will _ at college.A. spend more time on study B. make a lot of friendsC. take more activities D. cut down his studying time六短文改错Dear Alice， I have just got some good

30、news to tell to you. I win a national prize for painting last week. My father was so pleasing that he suggested I go to England for a holiday. Id like to staying there for half a month,visiting place of interestor practicing my English as well.Weve been writing to each for nearly a year now.I have o

31、ften dreamed of talk face to face with you. I imagine youll be at vacation yourself by that time.Perhaps we could go out do some sightseeing together.Best wishes for you！七Writing根据提示写一篇100词左右的短文。人们对网上购物持有不同意见。请你用英语写一篇关于网上购物的短文，介绍人们的不同观点，并表达你的看法。根据提示写一篇100词左右的短文。赞成的理由反对的理由自己的看法1网上购物更方便，省时2人们可以在网上买到各种各样的东西，而且价格也较便宜.3是一种时尚而新潮的购物方式 1无法预先体验商品2人们容易上当受骗，因为很难确保商品的质量词汇: 商品: goods体验: experience预先： in advance上当受骗: be cheated