70、早期的液体炸药由( )组成,具有良好的爆轰特性。

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

31、X射线机单次检查吸收剂量用英文表示为( )。

17、( )means “A large packing case or box that clasps shut, used as luggage or for storage”.

16、Please put all your( )on the plate.

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.