◎ 题干

_____from the moon ,our earth with water ____70% of its surface, appears as a “blue ball”
A.seen;coveredB.seeing; coveringC.seen;coveringD.to see; to cover
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_____from the moon ,our earth with water ____70% of its surface, appears as a “blue ball”A.seen;coveredB.seeing; coveringC.seen;coveringD.to see; to cover…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。