45、A: Where are you going?

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?

47、Which of the following is forbidden articles?

46、Which of the following is not the flight number of Air China?

45、Airport fee is airport( )and( ) fee.

44、Security check usually consist of( ).

75、( )refers to goods prohibited by law or treaty from being imported or exported.

74、Can you put me on( )flight to Harbin?

73、All the flights before nine ( ) because of poor visibility this morning.