A.great circle
B.loxodromic curve
C.small circle
D.gnomonic curve
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A.be green in color
B.have an even number
C.be left to port when entering from seaward
D.be cylindrical in shape
A.fixed red light
B.Morse (A) white light
C.green light
D.flashing red light
A.gnomonic curve
B.small circle
C.meridian
D.great circle
A.relative bearing
B.range line
C.track line
D.estimated position
A.painted color
B.light color and phase characteristic
C.type of structure
D.All of the above
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A white buoy with an orange rectangle on it displays（）.
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
A mid-channel buoy，if lighted，will show a（）.
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）
Buoys which mark dredging areas are painted（）.
A relative bearing is always measured from（）.
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A special purpose buoy shall be（）.
An orange and white buoy with a rectangle on it displays（）.