_____ of the water _____ polluted. We must try to protect our environment.A.Two third; areB.Two thir

题目简介

_____ of the water _____ polluted. We must try to protect our environment.A.Two third; areB.Two thir

题目详情

_____ of the water _____ polluted. We must try to protect our environment.
A.Two third; areB.Two third; isC.Two thirds; areD.Two thirds; is
题型:单选题难度:中档来源:不详

答案

D

试题分析:句意:三分之二的水被污染了。我们必须保护我们的环境。在英语中分子用基数词表达,分母用序数词表达如果分子大于1,分母变复数。分数作主语时,根据其后接的词而定,如果为不可数名词,则相当于单数,如果其后接的为可数名词复数形式,则相当于复数。根据句意,故选D。

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