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
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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
Limit switches（）.
Once you have established the daily ration of drinking water in a survival situation，how should you drink it?（）
Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.
Seawater may be used for drinking（）.
Lifeboat hatchets should be（）.
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（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.