The maritime access code for the AOR-E is（）in INMARSAT-A Telex Service.

单项选择题To establish a communication channel for the telex service in the INMARSAT-Aterminal, you should first（）.

A.establish a communication channel from the CES, via the International Telex Network to the final destination
B.set up a communication channel from your SES, via a satellite, to a CES within your ocean region
C.set up a channel directly to the addressee at the destination
D.establish a channel from your terminal , via the International Telex Network to a CES within your ocean region

单项选择题In general, there are two parts in an SES, One of these is antenna eqipment also referred to as（）.

A.BDE
B.UDE
C.AEP
D.ADE

单项选择题After successful commissioning , the（）will permit the SES access to system.

A.INMARSAT
B.IMO
C.MSC
D.CES

单项选择题A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called（）.

A.an LES
B.an SES
C.a ship station
D.a Land Mobile Station

单项选择题Any ship with SES can（）and（）through the Inmarsat satellites when sending a distress alert.

A.enter the system rapidly / wait for rescue
B.have an absolute priority to enter the system / contact with a CES
C.establish contact with the RCC / enter the port
D.enter the system gradually / get the rescue