8-U2重点提示.doc

Book 8 Unit 2 重点提示及练习I.Key words:differ commercial straightforward undertake breakthrough procedure altogether arbitrary reasonable objection obtain attain conservative forbidaccumulate compulsory bother assumptionpopularity strike vain resist decorationadoreobjectII.Key phrases:pay off cast down have an impact on in favour of differ from disagree with be bound to strike into ones heart from time to time bring back to life in vain in good/poor condition III.Key sentence structures:1. Cloning plants is straightforward while cloning animals is very complicated.2. But at last the determination and patience of the scientists paid off in 1966 with a breakthrough the cloning of Dolly the sheep.3. Altogether Dolly lived six and a half years, half the length of the life of the original sheep.4. Although at present human egg cells and embryos needed for cloning research are difficult to obtain, newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions.5. Some began to reform their legal systems and forbade research into human cloning, but other countries like China and the UK, continued to accumulate evidence of the abundant medical aid that cloning could provide.6. However, scientists still wonder whether cloning will help or harm us and where it is leading us.7. The popularity of films, such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into peoples hearts.IV.Fill in the blanks with proper words:1. Japanese d_ greatly from French in pronunciation. 2. I saw a little boy c_ a stone into the river just now. 3. Did you follow the emergency p_ when you heard the alarm? 4. The issue is not quite s_ (简单的) as it seems. 5. You can make an _ （随意的）choice. 6. Do you think anyone would o_ if I smoke here? 7. Aunt Marys a real _ （守旧的人）. Shes totally opposed to women going out to work. 8. The man always manages to o_（获得） what he wants. 9. Cloning is a way of making an e_ copy of another animal or plant. 10. The man failed to see the _ (商业的) value of his discovery. 11. Is English a _ （必修的）subject? 12. The scientist has made a major b_ in this research. 13. The manager should u_ full responsibility for the project. 14. Im sorry to b_ （打扰）you at this time of night. 15. By investing wisely he has already a_ a fortune. 16. Cloning is also valuable for research on new plant _ （物种）and for medical research on animals. 17. Dollys appearance raised a storm of o_ and had a great impact on the media and public imagination. 18. Governments became nervous and some of them began to f_ research into human cloning. 19. Were working on the _ （假设）that the time of death was after midnight. 20. She _ （非常喜欢）visiting museums. V.Translation practice:1. 然而，科学家们仍对克隆技术有助于人类还是有害于人类，以及克隆技术将把我们引向哪里感到困惑。(wonder; whether)_ 2. 消息传来，他的儿子将在明年某个时候被送到国外去学习商业管理。(word; that)_3. 如果说我有一些进步，这应该全部归功于我的老师。(oweto)_4. 她的设计在比赛中获得一等奖。多年的耐心和艰苦的工作终于得到了好的结果。 (pay off)_5. 我姐姐反对我的提议，然而我弟弟却赞成。(while; against; in favour of)_ 6. 这些年来地球逐渐变暖的事实，使科学家们非常担心。(fact; that)_7. 露西体重超重，但是外出吃饭时她抵制不住美味佳肴的诱惑。(resist; dine out)_Book 8 Unit 2 重点提示及练习参考答案IV. Fill in the blanks with proper words:1. differs2. cast3. procedure4. straightforward5. arbitrary6. object7. conservative8. obtain9. exact10. commercial11. compulsory12. breakthrough13. undertake14. bother15. accumulated16. species17. objections18. forbid19. assumption20. adoresV. Translation practice.1. However，scientists still wonder whether cloning will help or harm us and where it is leading us. 2. Word came that his son would be sent abroad to study business management sometime next year.3. If I have improved in any way，I owe it all to my teacher. 4. Her design won the first prize in the competition. Years of patience and hard work had at last paid off. 5. My sister was against my suggestion while my brother was in favour o