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It is said that the gravity on Mars is only about          of the gravity on earth.

A.three-eighths      B.third-eighth        C.third-eighths       D.third-eight

 

【答案】

A

【解析】

试题分析: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。当分子是一时,分数的分母用单数形式,在表示分数时,当分数的分子大于一时,分数的分母要用复数形式。由分数修饰的主语后面谓语动词的数,和被修饰主语的单复数保持一致。根据分析可知选项BCD结构有误,故选A。

考点:分数表达

点评:英语分数的表达规则比较固定,学习中应牢记这些基本规则。需注意的是,由分数修饰的主语后面谓语动词的数,和被修饰主语的单复数保持一致。

 

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