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单选题
A green buoy has a yellow triangle on it. This is a(n)（）.
A
information or regulatory buoy that has lateral significance
B
buoy that is off-station and is marked to warn mariners of its wrong position
C
dual purpose marking used where the ICW and other waterways coincide
D
buoy that was set in error and will be replaced with a red nun buoy
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考题
A green buoy has a yellow triangle on it. This is a(n) ______.A.information or regulatory buoy that has lateral significanceB.buoy that is off-station and is marked to warn mariners of its wrong positionC.dual purpose marking used where the ICW and other waterways coincideD.buoy that was set in error and will be replaced with a red nun buoy
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考题
单选题A nun buoy will（）.A
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考题
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考题
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考题
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考题
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考题
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考题
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考题
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考题
单选题A yellow buoy may exhibit a(n)（）.A
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flashing lightC
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