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单选题
A jack-up drilling rig being towed must（）.
A
turn off all lights that interfere with the navigation lights
B
turn on all available working lights on deck
C
ring the bell rapidly for five seconds once a minute
D
display two black diamonds in a vertical line during the day
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单选题On a ship，watertight doors should be operated（）.A
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单选题A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）A
When the towing vessel enters the fogB
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单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.A
vessel not under commandB
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单选题When a marine surveyor is employed to assist in the move of a mobile offshore drilling unit，he（）.A
becomes responsible for the safe movement of the rigB
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must be designated as the person in charge of the rigD
is a specialist who is hired to provide advice and guidance on aspects of the move
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a forward masthead lightB
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单选题你想把引航员梯装在哪一舷？（）A
On which side must I rig the pilot ladder?B
On which side do you want the ladder rigged?C
On what side must I rig the pilot ladder?D
On which side do you want the gangway rigged?
考题
单选题The International Regulations for Preventing Collisions at Sea contain the requirements for （）.A
lights that must be displayed on anchor buoysB
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Coast Guard approvedB
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forward masthead lightB
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only when fully loadedB
if one or more tanks are fullC
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考题
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COLREGSB
MMS RulesC
SOLAS ConventionD
Coast Pilot
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