门卫人员在守护工作中,要了解掌握守护目标的安全防范情况,如水源、消防器材、()设施等。
参考答案:报警
As a student, you should do your duty and put your heart into study ______.
[ ]
A. at one time
B. at all times
C. at a time
D. at times
下列不属于行政处罚行为的是()
A.警告
B.罚款
C.罚金
D.没收