大学英语第二版第一册Unit3课后练习答案

Unit 3

public attitudes toward science I Vocabulary

1

1) brief 2) in terms of 3) cut off 4) tend

5) anyway 6)precise 7)in the form of 8) initiative

9) convey 10) in two minds 11) concept 12) grasp

2

1) has ensured their team a place in the Cup final.

2)medical workers’responsibility to heal the wounded and rescue the dying.

3)entertain as well as educate the learner.

4)can do without air and water.

5)is likely to be held in June.

3

1)lies in contact between

2)basis of is likely sufficient at the moment

3)the steady ensures will be highly

II Word Formation

1 regained

2 undecided

3 undersupplied

4 disabled

5 precondition

6 foresight

7 mispronounced

8 enrich IIIAntonyms

1) majority 2) accepted 3)increased 4)weaknesses

5) local 6) late 7)wrong 8)false

Comprehensive exercises

I Close

1.Text-related

1)highly 2)bring about 3)evident 4)rate 5)sufficient

6)put across 7)proportion 8)Hence 9)ensure

2. Theme-related

1)understand 2)travel 3)practical 4)use 5)Another 6)likely 7)affect 8)developments 9)supply 10) Someday II Translation

1) As is predicted by scientists, global pollution has become one of the most serious problems humans are faced with.

2) Competition for these jobs is very tough –we have five times as many applicants this year as we did last year/ there are five times as many applicants this year as there were last year.

3) As the facts show, educational programs need to fit into the national plan for economical development.

4) The car burns too much gas, and moreover, the price is almost twice as much as I intend to pay.

5) To understand a great international event, we, first of all, need to consider the historical and political background to it.

2．

It is hard to imagine how our forefathers could do without so many conveniences that modern technology has brought about. Back then only a small proportion of the population enjoyed the comforts of life. The majority didn’t even have sufficient food, not to speak of/ let alone the privilege of being educated. However, many people blame modern technology for creating so many problems. They want to slow down the rate of progress. But no one can put the clock back.

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