單項(xiàng)選擇題

International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.

A.518
B.2182
C.156.8
D.2187.5

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單項(xiàng)選擇題

Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.

A.1 February 1995
B.1 February 1992
C.1 July 1997
D.1 February 1999

單項(xiàng)選擇題

In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.

A.MF/HF
B.SART
C.EPIRB
D.any of A, B, C