A.55.5W
B.64.5E
C.15.5W
D.178E
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A.two
B.three
C.more than two
D.more than three
A.Space Segment, NCC, RCC, SES, and CES
B.Space Segment, a satellite system, C system, NCC and NCS
C.Space Segment, NCC, NCS, CES and SES
D.A system, C system, satellite system, earth stations and NCS
A.4
B.9
C.8
D.5
A.the weather is always terrible
B.the condition there is complicated
C.the signals are too strong
D.their SES may recive the signals from unwanted satellite
A.international NAVTEX Service
B.FleetNET Service
C.SafetyNet Service
D.WWNWS
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Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
On-scene communications will normally take place between（）.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Radio beacon can be activated（）in case of distress.
We consider（）send a helicopter with medical facilities to the distress area.
All coast radio stations（）DSC installed for VHF and HF.