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【单选题】
一船的速度是否安全航速,主要考虑:1能否采取适当而有效的避碰行动;2能否在适合当时环境和情况的距离内把船停住;3能否与他船构成碰撞危险。
A.
①
B.
②
C.
①②
D.
①②③
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相关题目：
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