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【题目】It’s said that ___ ___ of the water around the world is polluted.

A. two threes B. two thirds C. second three D. second thirds

【答案】B

【解析】

试题分析:句意:据说世界上三分之二的水被污染了。分数的分子写在前面,用基数词;分母写在后面,用序数词。当分子是1时,分母用单数;当分子大于1时,分母的序数词用复数。故选B。

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