题目内容
Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
A. /; the B. the; / C. an; the D. the; a
A
解析:本题考查冠词用法。Air pollution 是抽象名词这里是泛指,weather 这里是特指全球的气候,根据the weather around the world 可知。
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