The survey shows that 200 students do different things during their vacations. ______ of them take classes according to the survey.  
A．120B．130C．50D．65
Do sports---10%
Watch TV ---25%
The rest take Classes --- ?
B

試題分析：根據(jù)圖表可知有1-10%-25%=65%的學(xué)生上課,200*65%=130,故選B.
點評：此題的關(guān)鍵是能根據(jù)所給數(shù)據(jù),推斷出上課的學(xué)生所占百分比,然后計算出具體的學(xué)生人數(shù),只要能理解句子含義,完成較易.
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