若发现煤岩松软、片帮、来压或钻孔中水压涌水量突然增大、顶钻等异常现象时,必须立即停止钻进,拔出钻杆。
参考答案:错
The little boy needed the _______ money to deal with the things that remained _______.
A.remaining; to be settled
B.remaining; to settle
C.remained; to be settled
D.remained; to settle
北京市烟花爆竹零售单位和临时销售网点专职安全人员,负责现场的安全管理,负责()。
A.购进烟花爆竹
B.销售烟花爆竹
C.装卸运输烟花爆竹
D.发生事故时的报警和应急处理