問題詳情

39.What is generally designed to avoid the exposure of fire to the air and to cool the fire as well?
(A)fire extinguisher
(B)fire alarm
(C)fire detector
(D)flare gun

參考答案

答案：A
難度：適中0.615385
統計：A(8),B(1),C(4),D(0),E(0)