A、lifeboat is no longer needed
B、lifeboat is needed badly
C、lifeboat is needed not more
D、lifeboat is urgently needed
更多“Fire is under control，and（）.”相关的问题
A、all hands are at their fire stations B、all fire-fighting equipment is at the scene C、the fixed systems are activated D、the fire is contained and no longer spreading
A、it can break down under high heat and emit noxious fumes B、it will decompose under prolonged storage and lose its effectiveness C、fire has been known to flash back over the surface of an oil fire D、it is ineffective in fighting fires in high-voltage electrical equipment
A、A.after control of fire，flooding，and structural repairs B、B.immediately，before the emergency is under control C、C.after control of fire，but before control of flooding D、D.after stability is restored
A、Leaves a residue B、Cost，relative to other agents C、Breaks down while under prolonged storage D、Conducts electricity
A、When vessel is on fire B、When vessel is not under command C、When vessel is carrying the dangerous cargoes D、When vessel is restricted in her ability to maneuver
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