矿山事故发生后,应当尽快(),(),()。现场危险消除后,方可恢复生产。
参考答案:消除现场危险,查明事故原因,提出防范措施
— Have you ever been to Taiwan, Jim?
— No. But I know it's _____ island. It's in the southeast of China. [ ]
A. a
B. an
C. the
平地机具有()等功能。
A.平整路基础
B.疏松拌和铺路材料
C.耙平铺路材料
D.运送铺路材料
E.压实铺路材料