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)

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