A.removed
B.altered
C.corrected
D.converted
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A.always be nearer to the equator
B.always be nearer to the elevated pole
C.be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere
D.be nearer to the pole or the equator depending on the latitudes of the arrival and departure positions
A.Flashing
B.Quick flashing
C.Composite group flashing
D.Equal interval (isophase)
A.red and black bands
B.green and black bands
C.red and white stripes
D.green and white bands
A.black
B.yellow
C.green
D.red
A.A safe-water buoy will display red and white vertical stripes of reflective material
B.All reflective material is white because it is the most visible at night
C.A special-purpose mark will display either red or green reflective material to agree with its shape
D.A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
最新試題
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A parallel of latitude other than the equator is a（）.
A spherical buoy may be（）.
A preferred-channel buoy may be（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A yellow buoy may mark a(n)（）.
A nun buoy will（）.
A white buoy with an open-faced orange diamond on it indicates（）.
Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.