A.hydraulic system
B.pneumatic system
C.spare battery
D.hand crank
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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
A.vomiting
B.blue color and lack of breathing
C.irregular breathing
D.unconsciousness
A.under no conditions
B.at a maximum rate of two ounces per day
C.if gathered during or immediately after a hard rain
D.after mixing with an equal quantity of fresh water
A.Small sips at regular intervals during the day
B.The complete daily ration at one time during the day
C.One-third the daily ration three times daily
D.Small sips only after sunset
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The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
In order for combustion to occur inside a piping system such as a vapor collection header in a marine emmission control system，there must be（）.
The grab rail of a metal lifeboat is normally located（）.
The object of plugging holes below the waterline on a ship should be to（）.
Symptoms of sea sickness include（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
The first treatment given to a person overcome by benzene vapor should be to（）.