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【单选题】
题干: 你船雾中锚泊于海上,听到他船的雾号越来越响,并致有构成碰撞危险时,你船除了鸣放规定的、锣号外,还可使用下述哪种信号来表示你船的存在?
A.
汽笛发出至少5声短而急的声号
B.
汽笛发出一短一长一短声号
C.
汽笛发出一长两短声号
D.
无其他可鸣放的特殊信号
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