A.dike
B.revetment
C.cutoff
D.crib
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A.numbered
B.lettered
C.green
D.red
A.lighted with a white light
B.striped black and red
C.lighted with a red light
D.yellow
A.Flashing
B.Morse A
C.Equal interval
D.Occulting
A.Entrance buoy
B.New buoy
C.Port buoy
D.Cardinal buoy
A.wingdam
B.towhead
C.cutoff
D.landwall
最新試題
From your position you observe a rotating white and green light to the north. This light is most likely（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
A parallel of latitude other than the equator is a（）.
How is the intensity of a light expressed in the Light Lists?（）.
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
A vessel is（）when she is not at anchor，made fast to the shore，or aground.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A preferred-channel buoy will show a（）.
Buoys which mark isolated dangers are painted with alternating（）.
A spherical buoy may be（）.