單項選擇題

The International SafetyNet Service is able to address the call to（）.

A.all vessels
B.selected groups of ships
C.a particular ship
D.A, B, C are all right

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單項選擇題

DSC distress relays can be transmitted by either（）or（）.

A.a coast station/a ship station
B.an EPIRB/a SART
C.ARQ/FEC
D.a back-up satellite/a land SAR unit

單項選擇題

On-scene communications will normally take place between（）.

A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and „0n-scene commander‟ or “co-ordinator surface search”
D.ship in distress and coast station