A.directions
B.dangers
C.exclusion areas
D.All of the above
您可能感興趣的試卷
你可能感興趣的試題
A.danger
B.vessels are excluded from the area
C.the buoy is a mooring buoy
D.operating restrictions are in effect
A.an isolated danger mark
B.a hydrographic data collection buoy
C.a mooring buoy
D.marking a restricted area
A.submerged rock，not dangerous to navigation
B.sunken wreck，not dangerous to navigation
C.towed-under buoy
D.All of the above
A.underway
B.making way
C.dead in the water
D.a power driven vessel
A.dike
B.revetment
C.cutoff
D.crib
最新試題
A yellow buoy may exhibit a(n)（）.
A parallel of latitude other than the equator is a（）.
Branford reef is（）.
A special purpose buoy shall be（）.
A plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A preferred-channel buoy will show a（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）