56、危险品按其性质不同分为9大类,第2类是( )。

22、中东地区国家,由于多信奉( ),打招呼时的第一句话就是:“真主保佑”,以示祝福。

21、忌讳在别人面前袒胸露背的民族是( )。

20、All cargo intended for carriage on passenger or cargo flight shall ( )or go through other security measures before loading.

19、Please form a queue and pass the gate( ).

18、An air ticket is only( )for the passenger whose name appears on the ticket.

17、The article that can burn easily is( ).

16、If you haven’t got a boarding pass, please go to the airline counter to go through the( ) first.

15、A: Could you tell me why the flight to Beijing has been( )?

14、不要在打开机壳的情况下,轻易( )是X光射线的自我防护方法之一。

13、民用航空器监护人员应当坚守岗位,严格检查登机工作人员的( ),密切注意周围动态,防止无关人员和车辆进入监护区。