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er 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
　　阅读理解 A
　　Par