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全新版大学英语综合教程4课后习题答案

Unit 1

I. Vocabulary

1.

1) alliance 2) at the cost of 3) stroke 4) limp 5) minus 6) regions 7) declarations 8) siege 9) raw 10) bide his time 11) have taken their toll 12) in the case of

2.

1) is faced with 2) get bogged down 3) is pressing on / pressed on 4) drag on 5) get by 6) dine out 7) have cut back 8) get through

3.

1) The rapid advance in gene therapy may lead to the conquest of cancer in the near future.

2) Production in many factories has been brought to a halt by the delayed arrival of raw materials due to the dock workers’ strike.

3) Sara has made up her mind that her leisure interests will/should never get in the way of her career. 4) Obviously the reporter's question caught the foreign minister off guard.

5) The introduction of the electronic calculator has rendered the slide rule out of date.

4.

1) Being faced with an enemy forces much superior to ours, we had to give up the occupation of big cities and retreat to the rural and mountainous regions to build up our bases.

2) Unity is crucial to the efficient operation of an organization. Failure to reckon with this problem will weaken its strength. In many cases, work may be brought to a halt by constant internal struggle in an organization.

3) The Red Army fought a heroic battle at Stalingrad and won the decisive victory against the

Germans.In fact, this battle turned the tide in the Second World War. During this famous battle, the Soviet troops withstood the German siege and weakened the German army by launching a series of counterattacks.

II. More Synonyms in Context

1) During the First World War, battles occurred here and there over vast areas. Some of the most dramatic fighting took place in the gloomy trenches of France and Belgium.

2) Elizabeth made careful preparations for the interview and her efforts / homework paid off. 3) I spent hours trying to talk him into accepting the settlement, but he turned a deaf ear to all my

words.

4) Pneumonia had severely weakened her body, and I wondered how her fragile body could withstand the harsh weather.

III. Usage

1) But often it is not until we fall ill that we finally learn to appreciate good health.

2) A rich old lady lay dead at home for two weeks—and nobody knew anything about it. 3) It's said he dropped dead from a heart attack when he was at work.

4) Don't sit too close to the fire to keep warm—you could easily get burned, especially if you fall asleep.

5) In those days people believed in marrying young and having children early. 6) Little Tom was unable to sit still for longer than a few minutes.

Structure

1.

1) To his great delight, Dr. Deng discovered two genes in wild rice that can increase the yield by 30 percent.

2) To her great relief, her daughter had left the building before it collapsed. 3) To our disappointment, our women's team lost out to the North Koreans.

4) We think, much to our regret, that we will not be able to visit you during the coming Christmas. 2.

1) These birds nest in the vast swamps (which lie to the) east of the Nile.

2) By 1948, the People's Liberation Army had gained control of the vast areas north of the Yangtze River.

3) Michelle was born in a small village in the north of France, but came to live in the United States at the age of four.

4) The Columbia River rises in western Canada and continues/runs through the United States for about 1,900 kilometers west of the Rocky Mountains.

Comprehensive Exercises I. Cloze

(A)

1. invasion 3. Conquest 5. launching 7. campaign 9. reckon with (B) 1. allow 3. highly 5. rapidly

2. 4. 6. 8. 10.

2..reckoned 4.forecasts 6.instant

stand in the way

catching... off his guard declaration drag on

bringing...to a halt

7. delivery 9. observing

8.advantage 10.Powerful

II. Translation

1) Mr. Doherty and his family are currently engaged in getting the autumn harvest in on the farm. 2) We must not underestimate the enemy. They are equipped with the most sophisticated weapons. 3) Having been cut of a job/Not having had a job for 3months, Phil is getting increasingly desperate.

4) Sam, as the project manager, is decisive, efficient, and accurate in his judgment.

5) Since the chemical plant was identified as the source of solution, the village neighborhood committee decided to close it down at the cost of 100 jobs.

The offensive had already lasted three days, but we had not gained much ground. Our troops engaging the enemy at the front were faced with strong/fierce/stiff resistance. The division

commander instructed our battalion to get around to the rear of the enemy and launch a surprise attack. To do so, however, we had to cross a marshland and many of us were afraid we might get bogged down in the mud. Our battalion commander decided to take a gamble. We started under cover of darkness and pressed on in spite of great difficulties. By a stroke of luck, the temperature at night suddenly dropped to minus 20 degrees Celsius and the marsh froze over. Thanks to the cold weather, we arrived at our destination before dawn and began attacking the enemy from the rear. This turned the tide of the battle. The enemy, caught off guard, soon surrendered.

Unit 2

I. Vocabulary

1.

1.expansion 2. automated 3. vapor 4. take control of 5. hazards 6. satellite 7.vibrated 8.magnetic

9. bunched 10. in the air 11. got stuck in 12.approximately

2.

1. send out 2. stand up for 3. pass for 4. were closing in on 5. starting up 6. went through 7. fill out 8. fall into

3.

1) the application, remote, has turned into a reality, are poised to 2) that vibrate, can detect, frequency 3) lanes, are mounted in, alert a, hazard

II. Word formation

Kilogram

Medical care