A.shorten the scope of anchor cable
B.increase the scope of anchor cable
C.put over the sea anchor
D.put over a stern anchor
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A.increases the size of foam bubbles formed
B.increases the rate of foam production
C.improves the extinguishing properties of foam
D.gives the nozzleman more freedom of movement，since it can be placed anywhere in the hose line
A.four-stranded sisal line
B.three-stranded cotton line
C.sail twine
D.two-stranded hemp cord
A.broaching the anchor
B.shifting the anchor
C.walking the anchor
D.weighing the anchor
A.out
B.off
C.down
D.away
A.was treated
B.would be treated
C.being treated
D.be treated
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The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.
When evacuating a seaman by helicopter lift，which statement is TRUE?（）
What is the lifesaving signal for You are seen -assistance will be given as soon as possible?（）
If your vessel is dragging her anchor in a strong wind，you should（）.
The head of the bend is the（）.
Production of mechanical foam by a portable in-line foam proportioner（）.
In all but the most severe cases，bleeding from a wound should be controlled by（）.
In order to detect rot in manila lines，you should（）.
In order to pay out or slack a mooring line which is under strain，you should（）.
The hoist line primarily used for lifting personnel on ship cranes is called the（）.