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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Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
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.
Ship-to-ship distress alerting should be conducted by（）.
On-scene communications will normally take place between（）.
We consider（）send a helicopter with medical facilities to the distress area.
The vessel has stayed in port for seven days because she needs（）.
COSPAS-SARSAT is intended to be used for（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
What following is not among the function of SOLAS ships?（）