問題詳情

39.What device is generally designed to avoid the exposure of fire to the air and to put out thefire?
(A)fire extinguisher
(B)fire alarm
(C)fire detector
(D)fire exposurer

參考答案

答案：A
難度：適中0.642857
統計：A(9),B(5),C(0),D(0),E(0)