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Which action should be taken on receipt of a GMDSS distress alert（）.

A.Read the display screen and/or printout
B.Silence the alarm
C.Listen for any follow up voice/telex transmission on the appropriate frequency
D.All of the above

單項選擇題

Where should the GMDSS radio log be kept on board ship（）.

A.In the Captain's office
B.In the sea cabin
C.At the GMDSS operating position
D.Anywhere on board the vessel