Beijing has struggled with smog for years.which has the sun and affected the health and quality of life of millions.A．driven awayB．pushed outC．broken offD．blocked off 题目和参考答案——青夏教育精英家教网—

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Beijing has struggled with smog for years，which has__________ the sun and affected the health and quality of life of millions.

A．driven away

B．pushed out

C．broken off

D．blocked off

试题分析：考查动词短语辨析。A．driven away开走；B．pushed out开除；C．broken off中断；D．blocked off阻挡。句意：北京这些年来一起受雾霾影响，阻挡阳光，影响人们的健康与生活质量。Which代指smog，雾霾阻挡阳光，所以选D项。
考点 : 考查动词短语辨析

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