大学英语习题集三unit7答案

1、.Key to U7 Part One Section A Grammar1-5 BCAAB 6-10DADBD 11-15 CCCCDSection B Structure1. It is very important to learn the culture inside English.2. Such would be our home in the future.3. Here is the letter you have been looking forward to. 4. There is no use (in) arguing with him on such things.5

2、. There is no use (in) looking for that lost gold watch.6. There is no use (in) criticizing him.Part TwoI. 1. deadly 2. modernize 3. receptionist 4. spokesman 5. punctually 6. conservation 7. interpretation 8. distribute 9. cooperation 10. bloodyII1 distributed2 claw3 conquered4 reversed5 circulated

3、6 interpreted7 proposed8 discriminate9 abolish10 bloomIII1 at2 as3 in4 by5 on6 from7 in8 aside9 in10 asIV. 1-5 ACACB 6-10 CBDABV. 1-5 BDCDC 6-10 BADAA 11-15 BDBCD 16-20 BDDCCPart Three I. EAIMB HFNOGII. 1-5 CBDDC 6-10 DCDACIII.1. A haystack.2. Eight or ten paintings.3. Little dots of different color

4、ed paints.4. Light and color.5. The feeling of pure sunshine.Part Four1. to stem from2. to set an example3. without (a) doubt4. in high gear 5. on the subject of6. in the interest(s) of7. by name 8. on a business trip9. to distinguish from10. to give away11. 投入（时间或精力）做某事12. 艰难地走到某处13. 托运行李14. 碰头会15.

5、 以为代价16. 为而争斗，争吵17. 投票表决18. 分享；参与19. 留出；拨出20. 确立为21. 比尔·盖茨习惯利用白天的点滴空闲时间进餐、交谈或者娱乐。22. 出差时，他尽可能乘坐普通民航飞机。23. 整个20世纪80年代，微软一直稳定发展。24. 这位董事长兼首席执行官正走过微软公司大楼的走廊。25. 他准备不惜一切代价爬到职业生涯的顶峰。26. 一连串的自然灾害反而使中华民族比以往更加坚强。 27. have cancelled less popular routes28. convince the committee of 29. rebuild the quake-

6、hit area.30. see to it that31. It is clearly laid down32. our situations are reversedPart FiveI Sentence structure1. (1) There is no sense in beating about the bush. (2) There is no point (in) taking unnecessary risks.2. (1) The smile he wears on the face is one hint as to what attitude he adopts to

7、wards this matter. (2) The advice he gives to me is one hint as to why my work is so inefficient.3. (1) When he walks on the moon, it is just like flying.(2) When he takes part in a game, it is like all his nerves being injected with excitant.4. (1) On the subject of scientific exploration, he is kn

8、own for bravery. (2) On the subject of love, they are known for remaining loyal to each other.5. (1) If there is one thing that results in your failure, it must be your arrogance. (2) If there is one thing that distinguishes you from other boys, it is your perseverance in what you strive for.II. Pra

9、ctical Writing四级作文题型之四：应用文（1）Welcome to our club! Our “Easy-to-learn” English Club, which have varieties of colorful activities almost every weeksuch as English Talk Show, English Corner and English Songs Competition, aims at helping college students to study English in easier ways.If you are accept

10、ed by our club, you will find you have made a wise choice. According to a recent survey conducted by School Union, a high proportion of students as high as 86.5 percent admit that they practice and improve their English in our club in a relaxed and comfortable way. Whats more, there is no doubt that you will make good friends here and your college life will become more colorful and meaningful because of the valuable friendship. If you feel interested in our clu