D. concentrated 正确答案：C 得分：0分
42. We hope to become more ________ in predicting earthquakes.
A. exact B. correct C. precise D. accurate 正确答案：D 得分：0分
43. It is a very popular play, and it would be wise to ________ seats well in advance.
A. preserve B. book C. buy D. occupy 正确答案：B 得分：0分
44. As the fat man sat down, the deck chair ______ under him, with a loud noise of tearing canvas.
A. collapsed B. sank C. dropped D. fell 正确答案：A 得分：0分
45. There can be no doubt that the division of labor is an ______ way of organizing work.
A. efficient
B. effective C. economic D. enormous 正确答案：A 得分：0分
46. He _____ his old car for a new model as soon as he had won the money.
A. exchanged B. replaced C. converted D. interchanged 正确答案：A 得分：0分
47. The temperature rose _______ that the firemen had to leave the burning house.
A. to an extent B. to an such extent C. to such an extent D. such to an extent 正确答案：C 得分：0分
48. These plastic flowers look so ______ that many people think they are real.
A. natural B. similar C. beautiful D. artificial 正确答案：A 得分：0分
49. Her politics ________ neither conservative nor liberal, therefore, she's been a councilor for a lot of years.
A. are B. has been C. was D. is 正确答案：A 得分：0分
50. Born in Paris and having spent most of her life in France, no wonder she can speak ________ French.
A. sheer B. pure C. unique D. distinct 正确答案：B 得分：0分
51. Some scientists _______ that there will be a great earthquake in the near future.
A. predict B. prohibit C. defense D. apply 正确答案：A 得分：0分
52. Not everyone knows that oil should be ______ before it can be used.
A. defined B. refined
C. confined D. fined 正确答案：B 得分：0分
53. It is common sense that copper has less _________ to electricity than lead has.
A. resistance B. variation C. conversion D. evolution 正确答案：A 得分：0分
54. Since I am in such a dilemma, I need to get my own problem _________ out.
A. solved B. arranged C. smoothed D. sorted 正确答案：D 得分：0分
55. Important people don't often have much free time as their work _______ all their time.
A. takes away B. takes over C. takes up D. takes in 正确答案：C 得分：0分
56. I am sorry, I have only a _______ idea of what we said about this affair.
A. obscure B. vague C. uncertain D. distinct 正确答案：B 得分：0分
57. The coming of the railways in the 1930s ________ our society and economic life.
A. transferred B. transformed C. transported D. transmitted 正确答案：B 得分：0分
58. A _________ patient is one who is seriously ill and will die soon.
A. deadly B. last C. fatal D. terminal 正确答案：D 得分：0分
59. I can hardly hear what he's saying, and ______________.
A. so can all the other people B. nor can all the other people C. so can hardly all the other people D. nor all the other people can
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