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    精英家教网 > 初中英语 > 题目详情
    It is said that the gravity on Mars is only about __________ of the gravity on earth．
    A．three-eighthsB．third-eighthC．three-eighthD．third-eighths
    A

    试题分析：句意：据说火星上的重力是地球上重力的八分之三。分数的表达为分子用基数词，分母用序数词，当分子大于一时，分母的序数词用复数形式；故选A。
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