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        1. Have sports training every day, ______you won’t be healthy in the future.
          A.becauseB.orC.unlessD.since
          B

          試題分析:句意:每天開展運(yùn)動訓(xùn)練天,否則你將來將不健康。Because因?yàn);or或者,否則;unless除非;since自從。根據(jù)前后分句句意可知該選B。
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