问题
选择题
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
答案
答案：A
考查冠词。第一空是泛指，说空气污染；第二个特指这种空气污染的天气所以要the，故选A。
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