A.nominal range
B.luminous range
C.geographical range
D.visible range
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A.A storm surge
B.A high pressure area
C.The jet stream
D.A cold front
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
最新試題
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
Weekly NMs are available without subscription from appointed（）.
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（）.
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（）.
In revised editions of Admiralty charts the（）are corrected first．
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
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（）.