A.lighted with a white light
B.striped black and red
C.lighted with a red light
D.yellow
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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
A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head
A.white light whose characteristic is Morse (A)
B.group-occulting white light
C.composite group-flashing (2 + 1) white light
D.composite group-flashing (2 + 1) red or green light
最新試題
An orange and white buoy marking a danger area will have what symbol on it?（）
A yellow buoy may mark a(n)（）.
A relative bearing is always measured from（）.
A special purpose buoy shall be（）.
A rock and sand structure extending from the bank of the river toward the channel is known as a（）.
A plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
A white buoy with a blue band is（）.
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
From your position you observe a rotating white and green light to the north. This light is most likely（）.
Fishing stake，the position of which frequently（），exist in the area covered by this chart.