A.coming into effect
B.moving to full effect
C.being based on force
D.coming into force
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A.fixed
B.matched
C.fitted
D.equal
A.square
B.triangle
C.circle
D.rectangle
A.cannot
B.are not allowed
C.have the right
D.should get permission to
A.every two years
B.every three years
C.every year
D.every four years
A.the radio regulations
B.the technical terms and definitions
C.how to operate the GMDSS SES equipment
D.Maritime Communications
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Before GMDSS, if the radio officer on board is serious ill,（）.
Radio beacon can be activated（）in case of distress.
SOLAS ships shall be equipped with（）.
All coast radio stations（）DSC installed for VHF and HF.
Please use（）for（）.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
We consider（）send a helicopter with medical facilities to the distress area.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna 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.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.