A.Three balls in a vertical line
B.Two balls in a vertical line
C.One ball near the foremast and one ball at each yardarm
D.One diamond near the foremast and one ball at each yardarm
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A.such risk shall be deemed to exist
B.such risk shall not be deemed to exist
C.you needn't take any action to avoid collision with any vessel
D.you should accelerate your speed ahead
A.by long distance
B.by the darkness at night
C.by a vessel in front
D.by fog or falling snow
A.Middle of the channel
B.Starboard side of the channel
C.Port side of the channel
D.Side of the channel that has the widest turns
A.stay near the middle of the channel
B.keep to the starboard side of any vessels you meet
C.exchange whistle signals with any other vessels in the channel
D.keep to the side of the channel which lies to your starboard
A.a light signal of at least five short and rapid flashes
B.one prolonged，one short，one prolonged，and one short whistle blasts
C.four short whistle blasts
D.two short whistle blasts
最新試題
You see another vessel approaching，and its compass bearing does not significantly change.This would indicate that（）.
Under what condition are you allowed to depart from the rules of the road（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.
When ship at anchor she shall be deemed to be（）.
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
When one of two vessels（）is required to keep out of the way the other must keep her course and speed.
You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.