單項(xiàng)選擇題

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

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A vessel shall，so far as practicable，（）traffic lanes.

A.avoid cross
B.avoid to cross
C.avoid crossly
D.avoid crossing

單項(xiàng)選擇題

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