单选题 Via ______terminals, we can get
Telephone, facsimile (fax), and data
Service.

单选题 A ship operating in sea area A3 must
Have the following provisions for
Maintenance.

单选题 _____ indicates that a ship is in distress
And requires immediate assistance.

单选题 A ship operating in sea area A1 must
Have the following provisions of
Maintenance.

单选题 ______ means safety communications
Between ships from the position from
Which the ships are normally navigated.

单选题 ______ may be used for on-scene
Communications in the Global Maritime
Distress and Safety System?

单选题 ______ consists of all messages relating
To the immediate assistance required by
The ship in distress.

单选题 ________communications are inter-ship
VHF radiotelephone communications for
The purposes of the safe movement of
The ships.

单选题 ______ may be permitted to transmit on
The frequencies in which distress traffic is
Taking place.