单项选择题
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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相关考题
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单项选择题
（）is the united nations agency responsible for the Radio Regulations among other things.
A.ITU
B.IMO
C.MSC
D.WMO -
单项选择题
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 -
单项选择题
The first communication satellite was used for the purpose of（）.
A.taking the place of the radio system
B.introducing a new life-saving system
C.saving the vessels in distress
D.improving the communication on land
