A.immerse the burn in cold water
B.administer aspirin
C.apply petroleum jelly
D.apply a bandage to exclude air
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A.be safe if mixed with fresh water
B.prevent seasickness
C.dehydrate you
D.protect against heat cramps
A.acids or alkalies
B.diesel oil
C.acids，but not alkalies
D.alkalies，but not acids
A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals
A.directly under the boom
B.moving away from the boom
C.stopped dead in the water
D.tied to the boom
A.hoist man
B.limit switch
C.brake handle
D.preventer bar
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The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
Number 3 lifeboat would be（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
Lifeboat hatchets should be（）.
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
In painting a lifeboat following its overhaul，which parts must be painted bright red?（）
The danger associated with using carbon dioxide in an enclosed space is（）.
The object of plugging holes below the waterline on a ship should be to（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.