A.non-toxic gas
B.Oxygen
C.Hydrogen
D.Helium
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A.limited to carry no more than 10 persons
B.stowed not more than 59 feet above the lightest waterline
C.stowed in quick release racks
D.inspected every six months
A.the call sign and name
B.the official number and name
C.the port of registry and name
D.the port of registry and official number
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
A.cutting the straps that enclose the container
B.removing the rubber sealing strip from the container
C.loosening the turnbuckle on the securing strap
D.pushing the button on the hydrostatic release
A.The sea anchor deploys
B.The floor inflates
C.If upside down，the craft rights itself
D.The painter detaches from the raft
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The most important thing to remember when launching an inflatable liferaft by hand is to（）.
The operating cord on an inflatable liferaft also serves as a（）.
Personnel boarding a davit-launched liferaft from a ship should be checked to assure they are not in possession of or wearing（）.
As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
Signaling devices which are required on inflatable liferafts include（）.
The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to（）.
The person assigned to command a lifeboat or inflatable liferaft on a ship shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person’s（）.
If an inflatable liferaft inflates upside down，you can right it by（）.
Generally，what is used to inflate liferafts?（）.
The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.