A.One to another
B.One the other
C.Each the other
D.Each other
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A.Situations when you can see vessels on radar that you cannot see visually
B.Visibility of less than half a mile
C.Any condition where visibility is restricted
D.Visibility where you cannot see shore
A.a blast of from five to seven seconds' duration
B.a blast of from five to six seconds' duration
C.a blast of from four to six seconds' duration
D.a blast of from six to seven seconds' duration
A.Whenever two vessels approach from opposite directions
B.If the bearing of an approaching vessel does not appreciably change
C.Whenever a vessel crosses ahead of the intended track of another vessel
D.If one vessel approaches another so as to be overtaking
A.not be regarded as a vessel
B.in general，keep well clear of all vessels
C.proceed at a slower speed than surrounding vessels
D.when making way，show the lights for a vessel not under command
A.The construction of the vessel
B.The experience of the vessel's crew
C.The location of vessels detected by radar
D.All of the above
最新試題
Underway at night，a vessel displaying the lights shown is（）.
You see a vessel carrying a black diamond which indicates a（）.
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 underway in a channel，you should keep to the（）.
You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
When one of two vessels（）is required to keep out of the way the other must keep her course and speed.
When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.