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44. ____________he works hard, I don't mind when he finishes the experiment. A. As soon as B. As well as C. So far as D. So long as 满分：2 分 正确答案:D
45. The manager will not _______ us to see use his car. A. have B. let C. agree D. allow
满分：2 分 正确答案:D
46. Women workers wear hats ____________their hair gets caught in the machinery. A. if B. in case C. unless D. because 满分：2 分 正确答案:B
47. This room is____________much larger than that one. A. no B. not a C. no a D. as
满分：2 分 正确答案:A
48. Large quantities of water ____________cooling purposes. A. are needed for B. is needed to
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C. are need to D. is need for 满分：2 分 正确答案:B
49. ____to the Chinese Culture Club.You can learn Beijing opera here. A. Coming B. Welcome C. Well come D. Will come 满分：2 分 正确答案:B
50. —Would you please give him the paper the moment he ______? —No problem. A. arrives B. will arrive C. arrived D. is arriving 满分：2 分 正确答案:A