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单选题
On a cargo vessel, fire and boat drills must be held within 24 hours of leaving port if the percentage of the crew replaced is more than （）.
A
5%
B
10%
C
25%
D
40%
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单选题Prior to getting underway，the Master or person in charge of a vessel must（）.A
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Any compartment containing explosivesB
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locate the fireB
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Once every third yearB
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单选题（）of the following statements is incorrect regarding a fire and boat drill ao board your cargo vessel.A
At least one fire and drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replacedB
The Master is responsible in seeing thst each lifeboat is lowered to the water at least once in each 6 monthsC
Lifeboat equipment shall be examined at least once each month to insure that it is completeD
An entry shall be made in the vessels official Logbook relative eo each fire and boat drill
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单选题Prior to getting underway，the Master or person in charge of a ship must（）.A
conduct a fire drillB
conduct a boat drillC
log the fore and aft draft marksD
test the emergency generator
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