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单选题
The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.
A
right at the bow
B
one-third the length of the vessel from the bow
C
one-half the length of the vessel from the bow
D
two-thirds the length of the vessel from the bow
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The depth from water level to the bottom of a vessel is called freeboard.C
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The height from water level to the main deck is called freeboard.
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stay clear as the vessel is fishingD
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An amount equal to the depth of the waterB
Two times the depth of waterC
Three to four times the depth of waterD
Five to seven times the depth of water
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