A.removed
B.altered
C.corrected
D.converted
您可能感興趣的試卷
你可能感興趣的試題
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 preferred-channel buoy may be（）.
A rock and sand structure extending from the bank of the river toward the channel is known as a（）.
A special purpose buoy shall be（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
An orange and white buoy with a rectangle on it displays（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A yellow buoy may exhibit a(n)（）.
A plane that cuts the Earth’s surface and passes through the poles will always form（）.