观察冷床或堆冷状况，禁止（）的来料上冷床。
A.≤1米
B.≤2米
C.≤3米
D.≤4米
参考答案：B
—Do you know what time _______ in Shanghai tomorrow?
—He will tell us as soon as he gets the ticket.[ ]
A. he will arrive
B. will he arrive
C. does he arrive
D. he arrives
下列哪项不属于灭火指挥决策的程序步骤?
A、发现问题
B、拟定方案
C、信息反馈
D、最终实施
