单项选择题

COSPAS-SARSAT has the function of（）.

A.distress alerting
B.communication
C.broadcasting MSI
D.on-scene communication

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单项选择题

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

单项选择题

（）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

单项选择题

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