大学英语(3)-课后练习答案(1-7单元)(7)

4. As you would expect from the book's title, there are many references to what kind of man Gates is.

5. The prosperity of the company stems from hardworking and thrifty of the entire staff.

6. He said nothing at all on the subject of the play which was put on for the first time Saturday night.

Ex. XII.

1. 至于那天晚上他是怎么死的, 事实上我无法解释, 而且也许不会有任何可能的解释了。 2. 做了一件事然后说自己本来不想那样做是没有用的; 如果你不想做, 你就不会做了。 3. 微软公司正在研究降低其产品成本的方法, 以便发展中国家的人也能买得起。 4. 苹果公司也愿意将其部分软件与微软公司的产品捆绑在一起, 以促进其销售。

5. 与评价父亲不同, 人们评价母亲依据的是其为母之道的成功或失败。对于母亲来说, 一切都取决于孩子最终成为什么样的人。

6. 人们会发现这个网站很有价值, 因为我们投入了大量时间准备网站的信息。

Cloze

Ex. XIII.

1. A 2. B 3. C 4. B 5. A 6. D 7. B 8. D 9. C 10. A 11. D 12. B 13. D 14. C 15. A 16. C 17. D 18. C 19. A 20. D

Structured Writing

Ex. XV.

The speed and efficiency of today's computers are working wonders for our age.

Computer-controled machiner is taking over many boring & dangerous jobs. Computers are working more reliably and efficiently and saving a lot of time for more creative work! By sharing information with people all over the world, people are tracking down criminals without losing a second. In addition, computers instantly send messages thousands of miles away so that we can hear or see what is happening at the other end of the world. Computer never get tired and they can work 24 hours a day. Computers are making our lives much easier than before. All we have to do is just to CLICK and the computers do everthing for us. Section B Reading Skills

Ex. I.

1. Even from the title of the text we can see that it is about Martin Luther King, the most important leader of the civil rights movement in the United States. 2. The numbers are mainly dates and some statistics.

3. Altogether, there are four full quotes in the text: one from Thoreau, an American writer; one fom Gunnar Jahn of the Norwegian Nobel Committee; and two from Martin Luther King himself.

4. The title of the text indicates the whole piece is going to be informational. The language of the first paragraph testifies this. It has no technical terms. Frequently seen in the text are dates, which are assoiated with the activities of Martin Luther King. The laguage is very formal as it has rather long sentences. This also points to the fact that the writer of the text intends to inform readers of the most famous civil rights movement leader-Martin Luther King.

Comprehension of the Text Ex. II.

1. B 2. D 3. A 4. C 5. D 6. A 7. D 8. C

Vocabulay

Ex. III.

1. abolished 2. bribing 3. arrested 4. propose 5. vote

6. amend 7. regulating 8. discriminate 9. reverse 10. witnes

Exercises on Web course only:

11. approximate 12. accords 13. evil

Ex. IV.

1. with 2. to 3. at 4. for 5. in 6. in 7. aside 8. as 9. on 10. of

Exercises on Web course only: 11. for, for 12. over

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