32、设备分辨有机物和无机物的能力是( )的定义。

26、伪造证件的( )略显模糊,颜色浓淡不均。

25、证件防伪方法中,物理防伪技术有( )防伪。

24、证件防伪方法中,印刷防伪技术有( )印刷防伪。

23、证件防伪技术中防伪纸张具有( )。

22、The( )is 25 minutes before( ).

21、( )refers to a place where passengers have to stop in order to be checked by security screeners.

20、( )is the process of checking an individual to verify identity, intentions, authority to be in a restricted area.

19、In order to improve( ),passengers in tourist group,please line up in order according to the list of plane tickets.

18、A:( )

17、A: What’s the check-in time for my flight?