12、根据《中华人民共和国海洋环境保护法》规定,载运具有污染危害性货物进出港口的船舶,( )必须事先向海事行政主管部门申报。

41、VTS航行计划不包括( )

29、交通流的位置由( )确定。

28、交通流运行作用体系与内部因素,外部因素同样相关,其中内因起着主导作用,( )是最基本的因素。

27、船舶流常用两个物理量来表征,交通量和 A 。

28、You are running into danger, ( ) .

26、Which of the following is true? ( )

25、Which of the following is true? ( )

24、The SMCP has been compiled to ( ) ?

21、According to SMCP which ones are not appropriate? ( )

20、In shore-to-ship communication, which Message Markers might be used? ( )