21世纪大学英语读写教程第四册答案unit1~7

build more highways in this area. Then a careful calculation of the expenditure compelled him to think twice before he made the final decision.

6.Each time he receives a gift from me, no matter how small, my friend Bill never fails to acknowledge it. 7.The journalist has decided to trace the young man referred to in the old couple's letter, which is a tribute to the young man's effort at improving their living conditions. 8.Though he was fed up with the salesmen who knocked at his door and boasted about their products every day, he refrained from slamming the door in their face. Unit 3 TEXT A

II 1.He changed his perspective and observed people who did not have smallpox.

2.He wants to give a good example of lateral thinking. 3.He compares the human brain to a computer and the change of one's point of view to the reprogramming of the computer. 4.It is to fight it.

5.He calls it vertical thinking.

6.He used the technique of lateral thinking.

7.The key is to make a shift in emphasis instead of fighting the problem head-on.

8.They should change their point of view and regard themselves as their body's keeper.

9.Very often lateral thinking yields much better results than vertical thinking.

10.It is approaching the target from a sideways point of view instead of approaching it directly. III

1.tactic 2.utmost 3.structure 4.slack 5.significance 6.head-on 7.dead end 8.erased 9.framework IV

1.wound up being 3.take in 5.take over 2.pulling on 4.in effect 6.ended up teaching V

1.approach 2.fought 3.cure 4.pressured 5.focus 6.approach 7.program 8.experienced 9.switch 10.escape 11.fail 12.escaped VI

10.vertical;vertical 11.ceased

12.flaw 13.implies 14.affirmed

assistant accountant servant dependant attendant contestant defendant consultant inhabitant occupant 1.attendant 2.servant 3.consultans

4.contestant

5.accountant

6.occupants 7.assistant 8.inhabitants 9.dependants 10.defendant VII 1. of

use

2.of

great

importance

3.of

great/critical/extreme significance 4.of little value 5.of marked benefit 6.of invaluable help VIII

1. should have told me at once2. 2.should have told me beforehand3. 3.should have left the company long ago 4. never should have happened 5. should have left thirty minutes ago 6. should have phoned IX CDBDA BBDBB CABDC

X 一般西方人解决问题的方法是与之搏斗。“进展越困

的框架总是搏斗。德?

种传统的、按顺序的、亚里士多德式的逻辑

?

事物进行思考的一种新方法——一种完全避免这种拼

XI

1.Tom was hung up on the problem but could do nothing about it until he learnt to solve it with different tactics. 2.Lateral thinking has helped him to advance his new theory which had seemed to reach a dead end. 3.The framework of our latest construction plan has been affirmed by the local government. Whether it will be carried out on time is of the utmost significance to the development of this coastal city.

4.While trying to find a solution to the problem, Edward reached an impasse in his thinking, but later he changed his point of view and solved the problem in an entirely unexpected fashion.

5.Many people believe that computer labs will eventually take over from the libraries and students who