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單項(xiàng)選擇題

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

A.every two years
B.every three years
C.every year
D.every four years

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單項(xiàng)選擇題

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（）.

A.the radio regulations
B.the technical terms and definitions
C.how to operate the GMDSS SES equipment
D.Maritime Communications

單項(xiàng)選擇題

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

A.alphabetical
B.figure
C.name of stations
D.series

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