單項選擇題

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

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單項選擇題

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

單項選擇題

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