A.the code flags FR
B.a black ball over a black diamond shape
C.code flag Quebec over a black ball
D.two black diamond shapes in a vertical line
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A.not close
B.not closing
C.we didn't close
D.not to be closed
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
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
最新試題
In a storm，the windward lines of a ship’s mooring system provide（）.
Production of mechanical foam by a portable in-line foam proportioner（）.
The hinge fitting used to attach the boom to the mast is the（）.
In all but the most severe cases，bleeding from a wound should be controlled by（）.
In the International Code of Signals，the code signal meaning I require immediate assistance is（）.
When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.
What is the lifesaving signal for，You are seen - assistance will be given as soon as possible?（）
In order to maintain a safe speed at all times，any necessary alterations of speed must（）.
In order to pay out or slack a mooring line which is under strain，you should（）.
In order to detect rot in manila lines，you should（）.