A.the light-house
B.the anchorage
C.the pilot station
D.the light-buoy
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A.deep laded vessels
B.deeply load vessels
C.deep loading vessels
D.deeply loaded vessels
A.small circle
B.great circle
C.rhumb line
D.hyperbola
A.untrue
B.impossible
C.suspectful
D.unimportant
A.date of construction or establishment
B.length of time between flashes of the light
C.time required for the longest flash of each cycle
D.time required for the light to complete each cycle
A.under existing visibility conditions
B.under perfect visibility
C.with ten miles visibility
D.with fifteen miles visibility
最新試題
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
The points on the earth’s surface where the magnetic dip is 90° are（）.
What describes a flood current（）.
The equator is（）.
You should plot your dead reckoning position（）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
How would you pass a red buoy in the maritime buoyage system“A” （）.