Recently the newspapers have reported several of the coal mines happening in different provinces in China and the government has taken effective measures to stop such things.
A. accidents
B. events
C. happenings
D. incidents
网友回答
(答案→)A. accidents
B. events
C. happenings
D. incidents
解析：名词辨析题。accident意外事故；event政治上的重大事件；incident表示小事件,此处指煤矿意外事故。