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        ofthepopulationhereareworkers.  A.20percents  B...
問題詳情:        ofthepopulationhereareworkers.  A.20percents  B.20percent   C.The20percent D.The20percents【回答】B  表示“百分之……”要用“數詞+percent”,percent沒有複數形式。故選B...
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