全新版大学英语综合教程三(第二版)课后习题标准答案

not.

Suburban housewives wear rape whistles on their key chains.

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Language Sense Enhancement I. 1) electronic

3) 5) 7) 9)

2) hooked up to

suburban 4) built in uncommon 6) announcing survaillance 8) symbol featured 10) attached to

Language Focus

I. 1. 1) threathens

3) civilize 5) wandered

7) without so much as 9) hook up to 11) chart

2. 1) narrowed down

3) cut off

5) wear (the other) down 7) put up

Vocabulary 1.

2) by a small margin 4) closed up 6) paste 8) sideways 10) universal 12) Bathed in

2) looked back on 4) fit into 6) lies in 8) stand for

3. 1) A certain gene which is likely to make people vulnerable to asthma has been found by researchers at the Department of Clinical Medicine in Oxford. 2) A wardrobe with mirrored doors had to be built in so as to make their small bedroom look larger. 3) The NBC show's opening shots feature the space shuttle Challenger blowing up in January 1986—killing all seven crew. 4) When the teacher threatened to keep the pupils in after school they were quieted at once. 5) Energy difficulties 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. 4. 1) Jacob looked back on his summer holidays spent on the Big Island of Hawaii with its beautiful landscape and tranquil atmosphere as a rare escape from the madness of urban life.

2) Learning in the information era is really convenient and efficient. With your computer hooked up to the internet, you can easily obtain the electronic resources relevant to your research. 3) Detectives, who believe more than one person is behind the constant attacks in the suburb, are using a sophisticated computer system to analyze specific behavior and situations. However, they are also aware that they shouldn’t rely too much on computer because it may make errors at times.. II. Collocation 1. away

3. forward/through 5. off

7. back, down

2. 4. 6. 8. inside/in back home in, out

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III. Usage

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. Comprehensive Exercises I. Cloze

1.

1. Statistics 2. rural 3. era 4. stood for 5. on the latch 7. barriers 9. reflection

6. vulnerable 8. electronic 10.civilized

2.

1. tougher 2. liable 3. shift 4. electric 5. cautious 7. thieves 9. chances

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 term 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. 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 or those wandering around. 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 sophiticated 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.

6. sophisticated 8. break 10. signs

Unit 4 Was Einstein a Space Alien?

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Text A

Content Questions （P.99）

13. He worked as a “Technical Expert, Third Class”. He needed the job to support his young family. 14. He published five of the most important papers in the history of science. This is because they proved

that atoms and molecules existed, laid the foundation for quantum mechanics, describe the theory of special relativity, and advanced the famous equation: E=mc2 15. He developed the Theory of Universal Gravitation then. 16. Because his ideas were far ahead of other scientists of his time.

17. He meant that like other scientists Einstein was a man of his time. If he hadn’t been born, his 1905

papers would eventually have been written in some form by others.

18. What was remarkable about 1905 is that year a single person authored five of the most improtant

papers in science. Einstein proposed in 1905 that light is particulate and for this he won the Nobel Prize in 1921.

19. Because if you did so you would find yourself disagreeing with phisicist James Clerk Maxwell, an

Authority Figure who had proved that light was an electomagnetic wave. 20. He was not at all concerned about authority. He hated being told what was true.

21. Science was dinner-table conversation in the Einstein household when he was young. His interest in

science came naturally.

22. He credited his discoveries to imagination and endless questioning more so that otthodox

intelligence.

23. He struggled to produce a unified field theory, combinging gravity with other forces of nature, but he

failed.

24. He found Einstein’s brain looked much like any other.

Text Organization （P.100） 1. (P.100) Parts Part One Part Two Part Three Paragraphs Paras. 1-3 Paras. 4-12 Paras. 13-21 Main Ideas A young husband and father, Albert Einstein had to work hard to support his family. Einstein made astonishing achievements in physics and thus revolutionized the field. Einstein’s discoveries were attributable to his imagination, questioning, disregard for authority, powers of concentration, and interest in science. 12