单项选择题
A.fishing B.in distress C.at anchor D.not under command
A vessel showing a yellow light over a white light at n...
单项选择题A vessel showing a yellow light over a white light at night is a vessel（）.
A.engaged in piloting B.towing astern C.engaged in fishing D.in distress
A vessel shall，so far as practicable，（）traffic lanes.A....
单项选择题A vessel shall，so far as practicable，（）traffic lanes.
A.avoid cross B.avoid to cross C.avoid crossly D.avoid crossing
A vessel is approaching from dead ahead.Both of her sid...
单项选择题A vessel is approaching from dead ahead.Both of her sidelights are visible and her range lights are in line.Which of the following could you do first（）.
A.Sound one blast of the whistle B.Alter course to starboard C.Construct a radar plot D.Sound the danger signal
