单项选择题
A.AIS B.LRIT C.VDR D.GPS
（）means a structured and documented system enabling com...
单项选择题（）means a structured and documented system enabling company personal to implement effectively the company safety and environmental protection policy.
A.SMS B.ISM C.SOLAS D.SMC
The equatorial current flows to the（）A.eastB.northeastC...
单项选择题The equatorial current flows to the（）
A.east B.northeast C.southwest D.west
When action to avoid a close quarter situation is taken...
单项选择题When action to avoid a close quarter situation is taken,a course change alone may be the most effective action provide that（）.
A.it is done in a succession of small course changes B.It is not done too early C.It is a large course change D.the course change is to starboard
