- Air quality in our city is becoming worse and worse. -Yes. These days' PM2.5 readings are frightening. We must do something to air pollution. A. reduce B. remove C. collect D. gather 题目和参考答案——青夏教育精英家教网—

题目内容

— Air quality in our city is becoming worse and worse.

—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.

A. reduce B. remove C. collect D. gather

【答案】

【解析】

试题分析：句意：我们必须做事情以减少空气污染。结合所给选项，故选A。

考点：考查词义辨析

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