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
Which would influence a magnetic compass（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
The Daily Memorandum contains information on（）.
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
On the approach of a warm front the barometric pressure usually（）.
Weekly NMs are available without subscription from appointed（）.
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（）.
The height of a tide can be increased by（）.