A.underway
B.making way
C.dead in the water
D.a power driven vessel
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A.dike
B.revetment
C.cutoff
D.crib
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
最新試題
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A preferred-channel buoy will show a（）.
A white buoy with an open-faced orange diamond on it indicates（）.
A vessel is（）when she is not at anchor，made fast to the shore，or aground.
Buoys which mark isolated dangers are painted with alternating（）.
A spherical buoy may be（）.
Buoys which mark dredging areas are painted（）.
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 nun buoy will（）.
Fishing stake，the position of which frequently（），exist in the area covered by this chart.