問題詳情

20-21The fire safety expert ignited two identical sample bedroom units to illustrate how fast modern fires spread. Theunit without sprinklers reached ________  in less than 2.5 minutes after ignition, reached temperatures over 400degrees Fahrenheit and ________  high concentratio ons of toxic, deadly gases.
【題組】20.
(A) flashover
(B) flashboard
(C) flashback
(D) flashlight

參考答案

答案:A
難度:適中0.404
書單:沒有書單,新增

用户評論

加賴叫過去】評論

The fire safety expe☆☆ ☆☆☆☆☆☆☆ ...

Damon Zhu】評論

(A) flashover 閃燃(B) flashboard 閃光板?

Hao】評論

The fire safety expert ignited two identical sample bedroom units to illustrate how fast modern fires spread. The unit without sprinklers reached ________  in less than 2.5 minutes after ignition, reached temperatures over 400 degrees Fahrenheit and ________  high concentratio ons of toxic, deadly gases.消防安全專家點燃了兩個相同的臥室樣本,以說明現代火災蔓延的速度。 沒有灑水裝置的裝置在點火後不到 2.5 分鐘內達到 ________,溫度達到 400 華氏度以上,並且有毒、致命的氣體濃度達到 ________ 高。(A) flashover  閃絡(B) flashboard  閃板(C) flashback  閃回(D) flashlight  手電...