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单选题
SAFE SPEED is defined as that speed where（）.
A
you can stop within your visibility range
B
you can take proper and effective action to avoid collision
C
you are traveling slower than surrounding vessels
D
no wake comes from your vessel
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单选题Safe speed is defined as that speed where（）.A
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单选题A vessel must proceed at a safe speed（）.A
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考题
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