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
您可能感興趣的試卷
你可能感興趣的試題
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
A.is
B.is to be
C.will be
D.being
A.with puncture wounds
B.when all other means have failed
C.when the victim is unconscious
D.to prevent bleeding from minor wounds
A.the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered
B.operation of the release lever until the boat is waterborne
C.the falls from rehooking after they have been released
D.accidental unhooking when the falls become slack
最新試題
Seawater may be used for drinking（）.
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 first treatment given to a person overcome by benzene vapor should be to（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
In painting a lifeboat following its overhaul，which parts must be painted bright red?（）
If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
The FIRST treatment for a surface burn is to（）.
The danger associated with using carbon dioxide in an enclosed space is（）.