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
Branford reef is（）.
A parallel of latitude other than the equator is a（）.
A spherical buoy may be（）.
An orange and white buoy with a rectangle on it displays（）.
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A yellow buoy may exhibit a(n)（）.
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 plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A mid-channel buoy，if lighted，will show a（）.
An orange and white buoy marking a danger area will have what symbol on it?（）