A.A storm surge
B.A high pressure area
C.The jet stream
D.A cold front
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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.Reprints of Radio Navigational Warnings
B.Amendments to Admiralty Sailing Directions
C.Amendments to Admiralty Lists of Lights and Fog Signals
D.Amendments to Admiralty List of Radio Signals
A.Chart Number only
B.Chart Number + Previous NM Number/Year
C.Chart Number + Between Previous and Present Dates
D.Cumulative Number
A.as soon as possible
B.prior to its publication
C.in advance of any possible accident
D.by means of other than airmails
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
最新試題
Steam smoke will occur when（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.
Navigational warnings are published according to（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
The fog most commonly encountered at sea is called（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.