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单选题
Three short blasts of the whistle means（）.
A
danger
B
I am in distress
C
the vessel is not under command (broken down)
D
I am operating astern propulsion
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单选题When you hear three short blasts on the ships whistle and the same signal on the general alarm bells, you （）.A
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单选题While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel（）.A
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单选题Five or more short blasts on a vessel’s whistle indicates that she is（）.A
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单选题Traditionally，the signal for fire aboard ship is（）.A
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单选题When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.A
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单选题A 200-meter vessel restricted in her ability to maneuver，at anchor，will sound a fog signal of（）.A
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one prolonged followed by three short blasts every minuteD
one prolonged followed by three short blasts every 2 minutes
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hold course and sound no whistle signalC
change course to the right and sound one blastD
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单选题The abandon ship signal sounded by the vessels whistle is （）.A
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单选题A 95-meter vessel aground sounds which fog signal? （）A
A rapid ringing of a bell for 5 seconds every two minutesB
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displaying code letter Y (Yankee)B
sounding five short blasts on his whistleC
displaying code numeral 5D
sounding one prolonged blast on his whistle
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单选题The signal given to commence lowering the lifeboats is（）.A
3 short blasts of the ship's whistleB
1 short blast of the ship's whistleC
3 long blasts of the ship's whistleD
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单选题Three SHORT BLASTS mean（）.A
I am altering my course to starboardB
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