单项选择题
What following is not among the function of SOLAS ships?（）
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
单项选择题 SOLAS ships shall be equipped with（）.
单项选择题 Please use（）for（）.
单项选择题 Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
