A.sheer strake
B.bilge strake
C.garboard strake
D.keel rib
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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
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
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Symptoms of sea sickness include（）.
Limit switches（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
Lifeboat hatchets should be（）.
The first treatment given to a person overcome by benzene vapor should be to（）.
If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.