There are twenty-five sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence. Mark your answers on your answer sheet.
41. Acute hearing helps most animals sense the approach of thunderstorm s long before people___.
A. do B. hear C. do them D. hearing it
42. This is an illness that can result in total blindness ___ left u ntreated.
A. after B. if C. since D.unless
43. The central provinces have floods in some years, and ___.
A. drought in others B. droughts are others C. while other droughts D. others in drought
44. Do help yourself to some fruit,___ you?
A. can’t B. don’t C. wouldn’t D. won’t
45. There___ nothing more for discussion, the meeting came to an e nd half an hour earlier.
A. to be B. to have been C. being D. be
46. My mother can’t get ___ because she has rheumatism (风湿病).
A. about B.on C. through D. in
47. I was very much put ___ by Mark’s rude behavior; it really annoy ed me.
A.over B.off C.up D.by
48. You ___ Jim anything about it. It was none of his business. A. needn’t have told B. needn’t tell C. mustn’t have told D. mustn’t tell
49. All of us would have enjoyed the party much more if there___ q uite such a crowd of people there.
A. weren’t B. hasn’t been C. hadn’t been D. w ouldn’t be
50. Firms that use computers have found that the number of staff ___ quality control can be substantially reduced.
A.whose B.as C.what D.that
51. ___ at in this way, the present economic situation doesn’t seem so gloomy.
A. Looking B. Looked C. Having looked D. To look
52. Many people are ___ to insect bites, and some even have to go to hospital.
A. insensitive B. allergic C. sensible D. infected
53. When you’re driving on a motorway, you must obey the signs telling you to get into the right ___.
A.way B.track C.road D.lane
54. The motorist had to ___to avoid knocking the old woman down in the middle of the road.
A. swerve B. twist C. depart D. swing
55. In winter drivers have trouble stopping their cars from ___ on icy roads.
A. skating B. skidding C. sliding D. slipping
56. This project would ___ a huge increase in defense spending.
A. result B. assure C. entail D. accomplish
57. The chances of a repetition of these unfortunate events are ___ indeed.
A. distant B. slim C. unlikely D. narrow
58. We should make a clear ___ between ’competent’ and ’proficient’ for the purposes of our discussion.
A. separation B. division C. distinction D. diffe rence
59. In the present economic ___ we can make even greater progress than previously.
A. air B. mood C. area D. climate
60. Rite of Passage is a good novel by any standards;___, it shoul d rank high on any list of science fiction.
A. consistently B. consequently C. invariably D. fortunately
61. The diversity of tropical plants in the region represents a seeming ly___ source of raw materials, of which only a few have been utilized.
A. exploited B. controversial C. inexhaustible D. remarkable
62. While he was in Beijing, he spent all his time ___ some import ant museums and buildings.
A. visiting B. traveling C. watching D. touring
63. You must let me have the annual report without ___ by ten o’cl ock tomorrow morning.
A. failure B. hesitation C. trouble D. fail
64. As the director can’t come to the reception, I’m representing the c ompany
A. on his account B. on his behalf C. for his part D. in his interest
65. Dreams are___ in themselves, but when combined with other data, they can tell us much about the dreamer.
A. uninformative B. startling C. harmless D. uncontrollable
答案部分
41．答案：A
【参考译文】敏锐的听觉使多数动物能远在人之前感觉到雷雨的来临。
【试题分析】本题为语法题，考句子成份的省略与替代。
【详细解答】“Acute hearing helps”是主句和before引导的从句具有相同的主语和谓语，从句中省略了该相同部分，用助动词do代替了与主句重复的信息“sense the approach of thunderstorms．”故答案为选项A。
【详细解答】 separation意为“分开，裂开”；division意为“分开；分配”；division意为“分割，切分”；difference意为“差异”。在这四个选项中，只有division可与make搭配，make a clear distinction意为“清楚地区分……”，故为正确答案。
