单项选择题
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
SOLAS ships shall be equipped with（）.A.an EGC receiver ...
单项选择题SOLAS ships shall be equipped with（）.
A.an EGC receiver only B.a satellite communication system C.a HF radio system D.a VHF with DSC system
Please use（）for（）.A.English/all distress communications...
单项选择题Please use（）for（）.
A.English/all distress communications B.Chinese/some distress calls C.the language decided by Administration/all distress calls D.Japanese/some distress alerts
Stations in the United States of America are grouped by...
单项选择题Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
A.countries B.states C.names D.groups
