74、装有( ),要求在装载、放置、固定或装卸过程中均保持直立,电池处于断路状态,电池两极应加以保护以防止短路,且电池牢固地固定在其上。

15、——What should I do first before boarding?
——( )

14、Which of the following is not included in a passenger’s travel documents?

13、Please go to the( ) to check in for your flight.

31、X射线机泄漏射线量率用英文表示为( )。

16、An air carrier shall prevent( )access to cargo accepted for transportation on an aircraft.

15、——( )
——Not at all. But I’ve only got some clothes and some other things in it.

14、——( )
——OK. Here you are.

13、——Which flight are you going to( )?
——Flight MU875.

12、Please go through that gate ,the staff may give you a( ).

11、A: When will Flight MU523 be ready for check-in?