A.lay
B.lies
C.being lain
D.lying
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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
A.cold and moist skin，high body temperature
B.cold and dry skin，low body temperature
C.hot and moist skin，high body temperature
D.hot and dry skin，high body temperature
最新試題
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 minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
Limit switches（）.
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
If the survival craft is not loaded to full capacity，the personnel should be（）.
Symptoms of sea sickness include（）.
The most effective first aid treatment for chemical burns is to immediately（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.