190．What type of fire detector is the first to go off in case of a fire?

When the fire started in the kitchen, Nancy had the _______________of mind to turn off the gas.

The sentence “On one campus, students use Wi-Fi to fire off instant messages, review

The fire was______<br/>by the firefighters, but the cause of the fire was still unknown. A: put<br/>up B: put out C: put<br/>away D: put<br/>off

. The firemen managed to ______ the fire in time. A: prevent B: put off C: put out D: light

The fire was __________within two hours. A: put out B: made away C: got off D: taken down

The spread of fire is NOT prevented by（）. A: shutting off the oxygen supply B: cooling surfaces adjacent to the fire C: removing combustibles from the endangered area D: removing smoke and toxic gases by ensuring adequate ventilatio

When the clothes are on fire, the best way is to A: Roll on the floor or flush with water B: Take off clothes while running C: Run and call for help D: Try to take off clothes

立即灭火并将2号货舱附近冷却。（） A: APut out the fire right now and cool hold No.2. B: BPut off the fire right now and cool around No.2. C: CPut on the fire right now and cool hold No.2. D: DPut out the fire right away and cool around hold No.2.

Their success was due________ to their well-conceived (周密策划的) plan. A: fire off B: in large part C: take the lead D: stand out