A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply
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A.the chocks at the bow of a towed vessel
B.the most forward，centermost point of a towed vessel such asa sturdy bow rail
C.the mast of a towed sailboat
D.a secure fitting near the bow of the towed vessel
A.perform the Heimlich maneuver
B.make the victim lie down with the feet elevated to get blood to the brain
C.immediately administer CPR
D.do nothing until the victim becomes unconscious
A.walk the stern to starboard in reverse
B.walk the stern to port in reverse
C.run faster than a left-handed propeller
D.right itself if capsized
A.carotid artery in the neck
B.femoral artery in the groin
C.brachial artery in the arm
D.radial artery in the wrist
A.the man has been missing for a period of time
B.the sea water is very cold and the man is visible
C.there is thick fog
D.the wind was from astern on the original course
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A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the（）.
A towline should be fastened to（）.
An obstruction on a helideck is any object that might present a hazard to the（）.
For a ship not on an international voyage，an approved substitute for an impulse projected rocket-type line throwing appliance is a（）.
If you have to jump in the water when abandoning a vessel，your legs should be（）.
In an open lifeboat，the lifeboat compass is usually（）.
A right-handed propeller will cause the survival craft to（）.
If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.
Releasing oil from the sea anchor of a lifeboat may（）.
In heavy seas the helmsman should steer the motor lifeboat（）.