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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 > 海上通信 > GMDSS

单项选择题

Vessel in distress（）indicate their position by any method.

A.cannot
B.are not allowed
C.have the right
D.should get permission to

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The list of Coast Stations is republished（）in a trilingual.

A.every two years
B.every three years
C.every year
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Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the Chapter IV of SOLAS Convention is mainly about（）.

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Stations are grouped by countries arranged in the（）order of their country symbols.

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