警察人員考試三等考試-消防警察人員類別中華民國憲法與消防警察專業英文106 年第 54 題單選題考點：後門考點：背景A is a dramatic event caused by a fire, resulting from rapid re-introduction to combustion of oxygen in an oxygen-depleted environment; for example, the breaking of a window or opening of a door to an enclosed space.AbackdoorBbackdropCbackbreakerDbackdraft正確答案 答案與詳解
