41、液化石油气所用的灭火剂包含有( )。

17、Sorry, sir. As an airport staff working in the restricted area, you should wear your( )on your uniform during working hours.

16、The ( )can be exempt from security screening.

15、( )means saying sorry to someone that you’ve hurt them or caused trouble for them.

14、( ) is the place where airplanes take off or land.

13、Please go to the airline counter to( ).

12、在民用航空器监护的实施过程中,说法错误的是( )。

11、在民用航空器监护的实施过程中,应对进出港民用航空器货舱进行( )。

10、处置爆炸物的首要条件是查清爆炸物的( )。

9、疏散无关人员之前大致判断爆炸物,首先判断( ),以决定是否疏散人员。

8、在处置爆炸装置时要慎重是处置爆炸装置的( )。