Actually, the date for entry into effect will be 1st Fe……

单项选择题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

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