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As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.

A.concerns B.descriptions C.catastrophe D.emergency

A

解析试题分析:句意:因为城市的空气质量一直引起关注,居民被鼓励燃放更少的烟火。A. concerns关心,担心,B. descriptions描述,C. catastrophe 灾难,D. emergency紧急情况,所以选A。
考点:考查名词辨析

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