题目内容
20. of the water polluted.We must try to protect our environment.( )| A. | Two third; are | B. | Two third; is | C. | Two thirds; are | D. | Two thirds; is |
分析 2/3的水被污染,我们必须努力保护环境.
解答 正确答案:D.英语中一般用基数词表示分数的分子,用序数词表示分数的分母.当分子大于1时,分母要用复数形式,所以2/3的正确表达是two-thirds,可先排除AB.其次当分数作主语时,谓语的单复数取决于分数后名词的单复数,句中water是不可数名词,谓语应用单数,故选择D.
点评 本题考查分数,掌握分数的英语表达,并记住当分数作主语时,谓语的单复数应根据其后的名词单复数来决定.
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