单项选择题
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A.Meeting B.Overtaking C.Crossing D.Passing
单项选择题 A vessel approaching a narrow channel shall（）.
单项选择题 A vessel aground at night is required to show two red lights in a vertical line as well as （）.
单项选择题 A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.
