A.sharp turn in the channel
B.narrowing in the channel at that point
C.junction in the channel
D.obstruction that must be left to port
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A.should be passed close aboard on either side
B.indicates that special caution is required
C.is used at a channel bifurcation or junction
D.is painted with red and white vertical stripes
A.easterly courses in high latitudes
B.southerly courses in high latitudes
C.westerly courses in low latitudes
D.easterly courses in low latitudes that cross the equator
A.plane tangent at one point
B.cylinder tangent at the equator
C.cone tangent at one parallel
D.infinite series of cones tangent at selected parallels
A.True position
B.True meridian
C.True course
D.True bearing
A.Longitude
B.Latitude
C.Height
D.Bearing
最新試題
A nun buoy will（）.
A yellow buoy may exhibit a(n)（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
How would you pass a red buoy in the maritime buoyage system “A”? （）
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
A plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
A preferred-channel buoy will show a（）.
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）