A.Lack of oxygen
B.Methane gas
C.Hydrogen sulfide gas
D.Carbon monoxide
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A.start chest compressions before the victim is removed from the water
B.drain water from the lungs before ventilating
C.begin mouth-to-mouth ventilations as soon as possible
D.do not tilt the head back since it may cause vomiting
A.In the same direction as the anticipated drift
B.In the opposite direction of the anticipated drift
C.Perpendicular to the line of anticipated drift
D.Downwind
A.Radio checks and time checks
B.Inter-vessel safety and search and rescue
C.Working with helicopters
D.Radio direction finding
A.stopping
B.to stop
C.to be stopped
D.to be stopping
A.propulsion horsepower available
B.pulling ability at cruise power
C.towing winch capability
D.pulling ability under static conditions
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The Coordinator Surface Search (CSS) in a SAR situation should display by night（）.
Generally speaking，the most favorable bottom for anchoring is（）.
The ship will（）backward if Hatch No.4 and No.5 are over stowed.
The process of waiting a period of time before pretensioning an anchor is known as（）.
The term BOLLARD PULL refers to a towing vessel’s（）.
Which is the most serious type of fracture?（）
The most probable position of the object of a search at any given time is the（）.
The self-contained breathing device should not be used in which situation?（）
Which oil is not suitable for use as storm oil?（）
When starting CPR on a drowning victim，you should（）.