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        1. About ___of the workers in the factory were born_____.
          A.two thirds,in the 1970B.two thirds,in the 1970s
          C.two third,in the 1970D.second thirds,in the 1970s
          B

          試題分析:句意:在這個工廠大約三分之二的工人出生在20世紀70年代。英語中分數(shù)的表達方法是,分子用基數(shù)詞,分母用序數(shù)詞,當分子大于一的時候,分母加-s,故三分之二應是two thirds;in the 1970s意為在20世紀70年代,是一個固定的表達方式。故選B。
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