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As usual, _____ man was given his individual assignment.A. everyB. eachC. allD. bot..
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包合物是主分子和客分子构成的A.溶剂化物B.分子胶囊C.共聚.....
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布雷顿森林制度对战后世界经济发展和国际金融相对稳定,做.....
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He was sixty-eight. In two years he _____ seventy.A. would beB. wasC. had beenD. wa..
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下列4种软件中属于应用软件的是()。A: OFFICEB: DOSC: UNIXD: Windows..
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参观者可以自己去动手操作,自己细心观察。..
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