A.general communicationB.distress alerting and safety c……

单项选择题Equipment requirement vary according to（）.

A.Ship owner‟s will
B.economic condition
C.the area in which the ship operates
D.different orders of all countries

单项选择题The WWNWS establishes three types of navigational warning:（）.

A.Distress, Urgency and Safety
B.Vital, Important and Routine
C.NAVAREA, Coastal and local
D.gale, Tsunami and Ice

单项选择题Every ship must fitted with（）SART, and（）two-way VHF radio telephone.

A.1,2
B.2,3
C.2,1
D.3,2

单项选择题In INMASAT-A service code 32（）.

A.medical assistance
B.medical advise
C.maritime assistance
D.technical assistance

单项选择题To establish a communication channel for the telex service in the INMARSAT-A terminal, 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