A.left-side buoy
B.right-side buoy
C.a buoy of safety
D.a buoy of danger
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A.anchorage area
B.fish net area
C.bifurcation
D.dredging area
A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
A.interrupted quick flashing
B.composite group flashing
C.Morse (A)
D.quick flashing
A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
A.Great Circle
B.Position Line
C.Rhumb line
D.True Bearing
最新試題
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
Which statement concerning current is TRUE（）.
（） is a circular traffic lane used at junctions of several routes，within which traffic moves counterclockwise around a separation point or zone.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
When entering a channel from seaward，the numbers on buoys（）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.