A.for precise navigation in coastal waters
B.by measuring the phase difference of the dots and dashes
C.as an aid to ocean navigation
D.if the vessel is fitted with a special Consol receiver
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A.that follows the curvature of the earth
B.that can be picked up by SARSAT satellite
C.that activates an alarm on board nearby aircraft
D.to alert shore stations and then transmits a homing signal
A.permanently mounted in the survival craft
B.portable and stowed for carriage to the survival craft
C.permanently mounted on the bridge wings
D.portable and stowed in the emergency gear locker
A.understanding the GMDSS console's normal operational indicators
B.maintaining a proper GMDSS radio station log
C.responding to and comprehending alarms
D.All of the above
A.monitoring all required frequencies in the proper mode
B.reading all displays and/or printouts after silencing an alarm
C.notifying the Master of any distress alerts
D.All of the above
A.equipped
B.is equipped
C.equips
D.has equipped
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（）will form the basis for distress alerting and safety calling.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
Ship-to-ship distress alerting should be conducted by（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
SOLAS ships shall be equipped with（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
What following is not among the function of SOLAS ships?（）
Radio beacon can be activated（）in case of distress.