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
An orange and white buoy with a rectangle on it displays（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
A white buoy with an orange rectangle on it displays（）.
A special purpose buoy shall be（）.
A white buoy with a blue band is（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
A preferred-channel buoy may be（）.
A yellow buoy may exhibit a(n)（）.
A parallel of latitude other than the equator is a（）.