38、刀上被用来握持的部分不属于( )。

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( ).

43、Which of the following cannot be taken on the plane?