A.yaw joint
B.sway joint
C.slip joint
D.flex or ball joint
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A.lay
B.lies
C.being lain
D.lying
A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction
A.sheer strake
B.bilge strake
C.garboard strake
D.keel rib
A.hydraulic system
B.pneumatic system
C.spare battery
D.hand crank
A.fever and thirst
B.nausea and dizziness
C.stomach cramps and diarrhea
D.reddening of skin and hives
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Seawater may be used for drinking（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at（）.
If the survival craft is not loaded to full capacity，the personnel should be（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The backup system on an electric start survival craft is a（）.
The object of plugging holes below the waterline on a ship should be to（）.
The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.
The FIRST treatment for a surface burn is to（）.
Once you have established the daily ration of drinking water in a survival situation，how should you drink it?（）