We know that 80          of the cases of blindness can          .

A．per cents; cure     B．percent; cured     C．per cent; be cured  D．percent; are cured

 

【答案】

C

【解析】

試題分析：在英語中當(dāng)表示百分之幾時(shí)，應(yīng)該用數(shù)字+percent/per cent，其中percent不能用復(fù)數(shù)，故排除A；根據(jù)can后面應(yīng)該跟動詞原形可知，應(yīng)該用be，故排除BD。所以本題選C。

考點(diǎn)：本題考查數(shù)字表達(dá)

點(diǎn)評：注意percent一詞既可以分開寫，也可以合起來寫，其不能用復(fù)數(shù)；另外，情態(tài)動詞后面跟動詞原形。

 

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