◎ 题干
It rains very heavily in this area, which has ______ annual rainfall of 7,000 mm, ______ ideal
environment for forests.
[     ]
A. the; an
B. an; 不填
C. an; an
D. 不填; the
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It rains very heavily in this area, which has ______ annual rainfall of 7,000 mm, ______ ideal environment for forests.[ ]A. the; an B. an; 不填 C. an; an…”主要考查了你对  【不定冠词】  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。