A.exchange
B.to exchange
C.exchanging
D.exchanged
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A.adherence to
B.adoption to
C.relaying on
D.usage of
A.keep silence
B.forbid transmission
C.change information
D.impose
A.taken
B.take
C.took
D.taked
A.someone else will take his place
B.the captain will take charge of his work
C.nobody will be capable of doing his work
D.anyone else will use the radio equipment
A.receive shore-to-ship distress alerting
B.transmit ship-to-shore distress alerting
C.receive message for public correspondence
D.transmit and receive locating signals
最新試題
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
Please use（）for（）.
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 vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
All coast radio stations（）DSC installed for VHF and HF.
（）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.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
SOLAS ships shall be equipped with（）.
（）will form the basis for distress alerting and safety calling.