79、军人、政法人员因执行公务携带( )的,可办理托运,不得随身携带。

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?

31、被辐照物质接受一次辐照所吸收的X射线能量是( )的定义。

21、Please separate these bags and put them on the( ),which will take them to be screened by X-ray equipment.

20、——How long will the search take?
——It depends. If you don’t have any( ), it will be very quick.

19、Airport fee is airport( )fee.

18、A flight from one country to another country is called a ( ).