--- Did you dare to go out at night when you were a child?

--- No, I didn't. I don't have the _______ to go out at night even now.

A．power

B．ability

C．courage

D．chance

有采煤工作面机械设备（）。

A.检修保养制度

B.乳化液泵站管理制度

C.文明生产管理制度

D.支护材料设备备件备用制度