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
相关考题
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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 -
单项选择题
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
A.The vessel must carry only the lights that comply with the rules; the others may be omitted
B.The vessel's lights must comply as closely as possible，as determined by her government
C.The vessel must be altered to permit full compliance with the rules
D.An all-round light should be substituted for the after masthead light and the stern light
