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        1. –I can’t stop smoking, doctor.
          --For your health, I’m afraid you________.
          A.mayB.needC.mustD.have to
          D

          試題分析:句意:醫(yī)生,我戒不了煙。從你的健康考慮,我想你必須戒掉。may表示“或許,可能”,need表示“需要”,must強(qiáng)調(diào)主觀上的必須,而have to強(qiáng)調(diào)客觀上的不得不,在這里是醫(yī)生交代病人客觀原因要求他必須戒煙,而不管他主觀上愿不愿意;故選D。
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