单项选择题

A.common communication systemB.distress traffic systemC……

The（）is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.

A.common communication system
B.distress traffic system
C.basic concept of GMDSS
D.SAR operation procedure

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单项选择题（）communication are intership VHF radio telephone communication.

A.ship-to-shore
B.shore-to –ship
C.bridge-to-bridge

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

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