A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Rectangle
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A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
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
最新試題
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.
Buoys which mark isolated dangers are painted with alternating（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
A mid-channel buoy，if lighted，will show a（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
Buoys which mark dredging areas are painted（）.