Some people fear that air pollution may bring about changes in weather around th

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

试题答案

A

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。