单项选择题

The fog most commonly encountered at sea is called（）.

A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog

相关考题

The Daily Memorandum contains information on（）.A.active...

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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

The charts show two dashed lines crossing the river jus...

单项选择题The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）

A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines

The broken magenta line which runs parallel to the shor...

单项选择题The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.

A.fish trap area
B.pipeline
C.demarcation line
D.cable area

航海通告与警告

The fog most commonly encountered at sea is called（）.