A.dump valve
B.deflector
C.separator
D.diverter
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A.poor fix
B.good fix
C.poor signal quality
D.good signal quality
A.on an even keel
B.listing about 1° to the side the light is displayed on
C.listing over 5° With the light displayed on the high side
D.listing，and the chutes should be directed to the side where the light is displayed
A.two red lights
B.one green light
C.one white light
D.one amber light
A.circle of equal altitude
B.parallel of declination
C.parallel of altitude
D.vertical circle
A.straight line
B.arc
C.parabola
D.hyperbola
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The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
The Lists of Meteorological Observation Stations can be found in（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
After launching，an inflatable raft should be kept dry inside by（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
An inflatable liferaft should be manually released from its cradle by（）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
An orange flag showing a black circle and square is a（）.