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單項選擇題

The concept of NAVTEX is of a（）system for the broadcast and reception of MSI.

A.complete service
B.partial controlled
C.quite new
D.total co-ordinated

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單項選擇題

If no distress acknowledgement is received（）a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.

A.relevant to
B.relate to
C.in response to
D.in relation to

單項選擇題

What’s the abbreviation for the World Meteorological Organization?（）

A.WMO
B.IHO
C.IMO
D.WARC

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