79、关于托运行李的检查方法,以下说法正确的是( )。

　对旅客托运行李的安全检查应在旅客办理乘机手续时同步进行,检查无问题后方准其托运

　对空运的货物应当经过仪器检查或隔离存放等民航主管部门认可的其他安全措施

　对已办理登机手续并托运行李而未登机的旅客,其行李不得装进或留在航空器上

　对无法用仪器进行检查的货物应至少在货运仓库隔离存放规定时间后方可启运。

正确答案：AC

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( )?

15、设备能分辨单根实芯镀锡铜线的能力,一般用线的标称直径( )和线号( )表示是( )的定义。

5、The two letter code of Alitalia is( ).

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

8、( ) is the place at a port ,airport or border where travellers’bags are inspected to see if any goods are being carried illegally.

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

16、X射线机有用穿透分辨力用英文表示为( )。

7、Passengers can go to the( ) to check in for the flight.