◎ 题干
There are over 58,000 rocky objects in ________space, about 900 of which could fall down
onto______ earth.
[     ]
A. the; the
B. /; the
C. the; /
D. a; the
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“There are over 58,000 rocky objects in ________space, about 900 of which could fall down onto______ earth. [ ]A. the; theB. /; theC. the; /D. a; the…”主要考查了你对  【定冠词】【零冠词】  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。