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單項(xiàng)選擇題

What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? ()

A.Which survival craft was used in the drill
B.The number of each lifeboat not lowered during each drill
C.Only the number of each motor propelled lifeboat that is lowered
D.The length of time an oar propelled lifeboat is rowed

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