單項選擇題

What language does International NAVTEX use?（）

A.Russian
B.French
C.English
D.German

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單項選擇題

When the power of SART is on, it will（）.

A.transmit distress signal
B.send response signal
C.transmit the signal of ship‟s position
D.be start by X-band radar

單項選擇題

Distress traffic（）all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating.

A.consists of
B.is consisted of
C.consisted of
D.are consisted of