单项选择题

The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.

A.horizontal motion of a white flag
B.letter K in Morse code given by light
C.code flag S as a hoist
D.firing of a white star signal

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单项选择题

The service life of distress signals must be not more than（）.

A.forty two months from the date of manufacture
B.thirty six months from the date of the last inspection
C.twenty four months from the date of approval
D.twelve months from the date of purchase

单项选择题

The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?（）

A.12 hand red flares
B.12 rocket parachute flares
C.12 hand combination flares and orange smoke signals
D.6 hand red flares，and 6 hand orange smoke signals

单项选择题

The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.

A.the distance of visibility
B.1/2 the distance of visibility
C.a distance appropriate to the existing circumstances and conditions
D.the distance that it would require for the propeller to go from full ahead to full astern