A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
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A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
A.wreck
B.shoal area
C.anchorage area
D.middle ground
A.fixed red light
B.flashing light
C.white light
D.occulting light
A.directions
B.dangers
C.exclusion areas
D.All of the above
A.danger
B.vessels are excluded from the area
C.the buoy is a mooring buoy
D.operating restrictions are in effect
最新試題
How would you pass a red buoy in the maritime buoyage system “A”? （）
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
A preferred-channel buoy will show a（）.
A mid-channel buoy，if lighted，will show a（）.
A yellow buoy may exhibit a(n)（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A relative bearing is always measured from（）.
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A yellow buoy may mark a(n)（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.