◎ 题干
It is said that the gravity on Mars is only about ________ if the gravity on earth.

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A. three-eighths
B. third-eighth
C. three-eights
D. third-eight
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“It is said that the gravity on Mars is only about ________ if the gravity on earth. [ ]A. three-eighths B. third-eighth C. three-eights D. third-eight …”主要考查了你对  【分数】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。