A.spring loaded line thrower
B.hand thrown buoyant line
C.shoulder-type line throwing gun
D.heaving line
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A.requested
B.allowed
C.approved
D.inquired
A.rotor blades and landing gear
B.unloading of passengers
C.loading of cargo
D.pilot's visibility
A.Disease of Crew
B.Crew illness
C.Group illness
D.Mass disease
A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply
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
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Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a（）.
A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning，the lifeboat should make（）.
An obstruction on a helideck is any object that might present a hazard to the（）.
A person who gets battery acid in an eye should IMMEDIATELY wash the eye with（）.
Survival practice in the mooring system is to slack off the tensions on the leeward side and（）.
A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.
If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.
Steering a motor lifeboat broadside to the sea could cause it to（）.
Releasing oil from the sea anchor of a lifeboat may（）.
Separation cloths may be used to（）.