大学英语ⅢUnit 3 练习答案

2) by a small margin 3) civilize 4) closed up 5) wandered 6) paste

7) without so much as 8) sideways 9) hook up to 10) universal 11) chart 12) Bathed in

P73. 2.

1) narrowed down 2) looked back on 3) cut off 4) fit into

5) wear (the other) down 6) lies in 7) put up

8) stand for

P74. 3.

1) which is likely to make people vulnerable to asthma has been found by researchers at the Department of Clinical Medicine in Oxford.

2) with mirrored doors had to be built in so as to make their small bedroom look larger.

3) feature the space shuttle Challenger blowing up in January 1986—killing all seven crew.

4) threatened to keep the pupils in after school they were quieted at once.

5) are a major barrier to the country’s economic growth due to the fact that imported oil has absorbed 40% of its foreign exchange/because imported oil has absorbed 40% of its foreign exchange.

P74. 4.

1) looked back on, atmosphere, urban life 2) era, hooked up to the, the electronic

3) the suburb, a sophisticated, system, analyze, make errors

P75. II. 1) away 2) inside/in

3) forward/through 4) back 5) off 6) home

7) back down 8) in, out

P76. III.

1. Internet is not such an unusual word as it used to be

2. Most men do not look unattractive in them

3. Wealthy as she is, she is not unconcerned

by her sudden unemployment

4. This claim is not unrealistic in view of a sharp decrease in the city’s violent crimes 5. His poor health is not unrelated to his unhealthy way of life

P77. I. Cloze 1. Text-related (1). Statistics (2). rural (3). era

(4). stood for (5). on the latch (6). vulnerable (7). barriers (8). electronic (9). reflection (10). civilized

P78. 2. Theme-related (1). tougher (2). liable

(3). shift (4). electric (5). cautious

(6). sophisticated (7). thieves (8). break (9). chances (10). signs

P78. II.Translation. 1.

1) The Internet is changing the way people live, no matter whether they are in urban or rural areas.

2) Medium-sized and small companies are more vulnerable to the threat of the global economic crisis than large ones. 3) With regard to our team papers, the professor asked us to analyze the chart of unemployment first, and then provide critical reflections on the nation’s economic development.

4) It never occurred to him that their team

would win the basketball match by a large margin.

5) Looking back on my twenty years’ teaching in high school, I attributed my success to patience, talent, and the constant pursuit of knowledge.

P79. 2.

It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols. Common sense tells us that lighting is a barrier to criminal activity. A light should be fixed in the doorway and switched on at night. Make sure/Assure yourself that you don’t leave the door on the latch if you happen to be the last to come in. If you decide to buy a sophisticated electronic alarm system, be sure to ask for its signs and put them up on both windows and doors. In addition you may have it hooked up to a police station.