A.cloud movement
B.vessel heading
C.waves
D.swells
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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
A.falls
B.rises
C.is steady
D.is unreliable
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The Daily Memorandum contains information on（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
On the approach of a warm front the barometric pressure usually（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
The range of a light on Admiralty Charts is normally the（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.