A.convert to
B.come to
C.look at
D.agree with
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A.nominal range
B.luminous range
C.geographical range
D.visible range
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.true directions
B.compass error
C.deviation
D.magnetic directions
A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
A.To keep visitors away from the barge
B.To prohibit smoking
C.To prohibit open lights
D.All of the above
A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
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
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Steam smoke will occur when（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
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（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
The height of a tide can be increased by（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
Navigational warnings are published according to（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.