单选

A partly submerged vessel or object being towed,which is not readily noticeable,shall show ______.

  • A.yellow lights at each end
  • B.two red lights in a vertical line
  • C.a black ball
  • D.a diamond shape
参考答案
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  • A.yellow lights at each end
  • B.two red lights in a vertical line
  • C.a black ball
  • D.a diamond shape

A deck-stowed 40-foot container is giving off smoke,and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take? ______.

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