From IMO’S point of view, INMARSAT’s most important function is the provision of（）.<br>A:general radio communication<br>B:MSI<br>C:improved distress and safety communication<br>D:bridge-to-bridge communication

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

出自：海船船员证

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