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
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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
A.Make sure the action is taken in enough time
B.Not make any large course changes
C.Not make any large speed changes
D.All of the above
A.Not under-way
B.Not under command
C.Restricted in her ability to maneuver
D.A non-displacement ship
A.When a risk of collision exists
B.When action by the give-way vessel alone will not prevent a collision
C.When the bearing to give-way vessel becomes steady
D.When the vessels become less than 1/2 mile apart
最新試題
Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
When underway in a channel，you should if safe and practicable（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.
When one of two vessels（）is required to keep out of the way the other must keep her course and speed.
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（）.
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
Underway at night，a vessel displaying the lights shown is（）.
You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.