A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
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A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
A.active weather disturbances such as hurricanes or tropical storms
B.the latest navigational warnings
C.scheduled vessel arrivals and departures for a 24-hour period
D.water levels at river ports where run-off affects tidal heights
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
A.fish trap area
B.pipeline
C.demarcation line
D.cable area
最新試題
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（）.
Weekly NMs are available without subscription from appointed（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
LOW AT 34N 135E ESLY SLWLY INTST NC．This description is most likely to be under the heading of（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
The fog most commonly encountered at sea is called（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.