They decided to take measures to air pollution before it did more damage to the
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They decided to take measures to ________ air pollution before it did more damage to the environment.
A. reduce B. remove C. collect D. warn
试题答案
A
reduce意为“减少”；remove 意为“移动”；collect 意为“收集”；warn意为“警告”。句意为：“他们决定在空气污染对坏境造成更大损害之前，采取措施减少污染。”