CO2 extinguishes a fire byA.a blanket of bubbles formed on theB.smotheringC.coolingD.isolating the heat from the fuel

CO2 extinguishes a fire by

A.a blanket of bubbles formed on the

B.smothering

C.cooling

D.isolating the heat from the fuel


相关考题:

Kids are told not to play _____ fire. A. inB. atC. toD. with

Fire()at the midnight. A、broke downB、broke outC、broke offD、broke to

The teacher gave some books _______ yesterday. A.to IB.for IC.for meD.to me

____________ fire, sound the alarm and leave the building immediately. A.In need ofB.In case ofC.In spite ofD.In charge of

下面是防火墙接口的配置命令:fire(config) ip address outside 202.134.135.98 255.255.255.252fire(config) ip address inside 192.168.46.1 255.255.255.0fire(config) ip address dmz 10.0.0.1 255.255.255.0根据以上配置,写出上图中防火墙各个端口的IP地址:e0:(2)e1:(3)e2:(4)

A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______.A.Fire hose might be damaged by cargo operationsB.Vessel is in portC.Fire-main system is not chargedD.Fire pumps are used for purposes other than supplying water to the fire main

All portable fire extinguishers must be capable of being ______.A.carried by hand to a fireB.carried or rolled to a fireC.recharged in the fieldD.used on class “B” fire

Poisonous vaporsburst out of the factory during the accident,causing several hundred deaths.A:gasesB:threatC:fuelsD:bubbles

Which one of the following studies the internal structure of words, and the rules by which words are ( ) formed? A.Morphology B.Syntax C.Phonology D.Semantics

Pantomime is a kind of play based on a traditional fairy tale and per-formed()Aat EasterBon New Year.s DayCon St.Patrick.s DayDat Christmas time