37、枪支、军警械具类中,不属于军械、警械的有( )。

44、A: Are you going to take a domestic or an international flight?

43、( )is the carriage of goods from place to place by air.

42、The staff should give the( ) a manual search.

46、A:( )

45、( )can be taken on the plane as checked baggage.

44、Flight delays are always due to( ).

43、It is prohibited to carry any( ) on the plane.

46、Which of the following is not liquid article?

45、Which of the following is liquid article?

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