單項選擇題In very high latitudes，the most practical chart projection is the（）.

A.Mercator
B.Gnomonic
C.Azimuthal
D.Lambert conformal


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1.單項選擇題How would you pass a red buoy in the maritime buoyage system“A” （）.

A.keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B.keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C.keep the buoy on the vessel's starboard side when approaching and leaving
D.keep the buoy on the vessel's port side when approaching and leaving

2.單項選擇題Depiction of TSS's on charts uses（）as the primary color.

A.magenta
B.deep red
C.bright red
D.red

3.單項選擇題A celestial body will cross the prime vertical circle when the latitude is numerically （）.

A.Greater than the declination and both are of the same name
B.Less than the declination and both are of the same name
C.Greater than the declination and both are of contrary name
D.Less than the declination and both are of contrary name

4.單項選擇題（） is not likely to be a methods of Traffic Separation.

A.Separation of opposing streams of traffic by separation zones or lines
B.The separation of through traffic from local traffic by provision of inshore traffic zones
C.Division of traffic from several different direction into sectors
D.Control of routing traffic through shipping routes