A.fish trap area
B.pipeline
C.demarcation line
D.cable area
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A.cloud movement
B.vessel heading
C.waves
D.swells
A.extremely cold air from shore passes over warmer water
B.warm dry air from shore passes over cooler water
C.cold ocean water evaporates into warm air
D.cool rain passes through a warm air mass
A.FORECAST
B.GALE WARNING
C.SYNOPSIS
D.STORM WARNING
A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway
最新試題
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
Weekly NMs are available without subscription from appointed（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Navigational warnings are published according to（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
The range of a light on Admiralty Charts is normally the（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.