Forty people were killed in a ______ on the railway yesterday.
【正确答案】 A
【答案解析】40人死于昨天的火车相撞事故。A.collision“互撞,冲突” B.collapse“倒塌,失败”C.corrosion“腐蚀,衰败”D.confrontation“对抗.对质”