◎ 题干
The moon is          the earth .
A.as big as forty-nine times B.forty-nine times bigger than
C.as big as one-third D.one-third the size of
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The moon is the earth .A.as big as forty-nine times B.forty-nine times bigger than C.as big as one-third D.one-third the size of…”主要考查了你对  【序数词】【小数】【分数】【量词】  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。