單項選擇題

Navigational warnings and weather bulletins for shipping（）from Singapore Radio.

A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted

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單項選擇題

（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.

A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T

單項選擇題

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

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

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