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        1. It is said that ____ young people may lose the abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week.
          A.thousand ofB.six thousandsC.thousands ofD.six thousands of
          C

          試題分析:據(jù)說如果每周大聲的聽MP4達(dá)五個(gè)小時(shí)以上,5年之后將有數(shù)千的年輕人喪失聽力。Thousand千,thousands of 數(shù)千,要用復(fù)數(shù);但在具體的數(shù)字后面不用復(fù)數(shù),例如six thousand六千。故選C。
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