A.3 white star signals
B.Horizontal motion with a white flag
C.Vertical motion of a white light
D.Code letter K by blinker light
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A.polygon
B.holding arc
C.catenary curve
D.parabolic curve
A.Stand by to give assistance
B.Stand by to alter course
C.Stand by to stop engine
D.Stand by to go astern
A.fastness
B.speeding
C.swiftness
D.dispatch
A.cable tension
B.water temperature
C.bottom conditions
D.water density
A.carry at least two injured persons
B.float for at least two hours
C.be used on the types of helicopters serving the unit
D.All of the above
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The Master to prosecute all voyages with the utmost（）and to render customary assistance with the Vessel’s Crew.
In general，the extent of the carrier’s immunity，as laid down by the Act，cannot be increased（）contract.
The hinge fitting used to attach the boom to the mast is the（）.
In determining the scope of anchor line to pay out when anchoring a small boat，one must consider the（）.
The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.
The hoist line primarily used for lifting personnel on ship cranes is called the（）.
There has been a collision in sea area of Fork.（）.
If your vessel is dragging her anchor in a strong wind，you should（）.
In heavy seas the helmsman should steer the survival craft（）.
In all but the most severe cases，bleeding from a wound should be controlled by（）.