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單項選擇題

From IMO’S point of view, INMARSAT’s most important function is the provision of（）.

A.general radio communication
B.MSI
C.improved distress and safety communication
D.bridge-to-bridge communication

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單項選擇題

（）is the united nations agency responsible for the Radio Regulations among other things.

A.ITU
B.IMO
C.MSC
D.WMO

單項選擇題

The purpose of the GMDSS is to（）safety of life and property at sea all over the world.

A.promote
B.improve
C.guarantee
D.both A and B