题目内容

. ___________ the extreme levels of air pollution, city authorities have started to take measures to quickly reduce pollution levels and protect city dwellers.

A. In spite of B. As well as

C. In response to D. By means of

C

【解析】

试题分析:考查短语辨析。A.尽管;B.也;和..一样;不但..而且;C.响应;回答;对..有反应;D.用;依靠。句意:城市权威机构对城市污染的极端等级做出了响应,他们已经开始采取措施迅速降低污染等级并且保护城市居民。故选C

考点:考查短语辨析

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