單項(xiàng)選擇題

SafetyNet is a maritime safety information broadcast service offering（）on suitably equipped ships.

A.free reception
B.free transmission
C.dedicated reception
D.dedicated transmission

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單項(xiàng)選擇題

（）can receive MSI sent by coast station.

A.A NAVTEX receiver
B.An EGC receiver
C.MF/HF radio telephone
D.HF radio telephone with NBDP

單項(xiàng)選擇題

Ships sailing in（）are able to receive and print out EGC messages.

A.a fixed area or Navarea in any ocean region
B.a Navarea or weather forecast area
C.the designated area or given geographic position
D.anywhere of the world