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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上应急用语 > 紧急用语

单项选择题

A radiotelegraph message commencing with XXX has the same meaning as a message sent by the radiotelephone commencing with（）.

A.TTT
B.SOS
C.The spoken word URGENCY
D.The spoken word PAN

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相关考题

单项选择题
Messages concerning weather conditions transmitted by radiotelephone are preceded by（）.

A.MAYDAY
B.PAN-PAN
C.SECURITE
D.SOS
单项选择题
The radiotelephone message that indicates a station is about to transmit a message concerning the safety of navigation or important meteorological warnings commences with（）.

A.TTT
B.The spoken word PAN
C.The spoken word SECURITE
D.XXX
单项选择题
The Urgency Signal（）indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft，or of some person on board or within sight.

A.SOS
B.XXX
C.TTT
D.PAN
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