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
最新試題
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Navigational warnings are published according to（）.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
The height of a tide can be increased by（）.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
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．
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（）.
Information for updating nautical charts is primarily found in the（）.
Steam smoke will occur when（）.