单项选择题
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
A.Reduce speed to bare steerageway
B.Stop your engines
C.Begin a radar plot
D.All of the above
相关考题
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单项选择题
You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.
A.alter course to starboard to pass around the other vessel
B.reduce your speed to bare steerageway
C.slow your engines and let the other vessel pass ahead of you
D.alter course to port to pass the other vessel on its portside -
单项选择题
You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
A.one blast，4 to 6 seconds in duration
B.three blasts，4 to 6 seconds in duration
C.one continuous blast until you are able to see around the bend
D.one blast，8 to 10 seconds in duration -
单项选择题
You are under sail and overtaking a tug and tow.Which action is correct（）.
A.The power-driven tug must maneuver to avoid collision
B.You must maneuver to avoid the tug and tow
C.You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port side
D.Both vessels are required to maneuver to avoid collision
