位于英国南部海滨城市的朴次茅斯大学要进行一场火灾演练,在对学生们进行了一番应对火灾的指导和培训后,演练就正式开始了。可是,在学校拉响火灾警报一分钟之后,朴次茅斯大学的求生专家约翰·利奇教授就宣布演练结束。“为什么结束了?我们还没开始展示逃生技能呢!”学生们不明所以,面面相觑。约翰·利奇教授摊开双手说:“你们已经错失了最佳的逃生机会,也就是说,如果真的发生了大型火灾,你们已经凶多吉少了!”大家都一脸不解:“为什么?”约翰·利奇教授解释道:“从监控来看,在火灾警报拉响后,大家的第一反应不是迅速下楼,而是 Walkthrough was conducted at Portsmouth University in the southern coastal city of England, and after a firefighting and training session was organized for the students, the exercise began. However, a minute after the school sounded a fire alarm, Prof. John Leach, a survival specialist at the University of Portsmouth, announced the conclusion of the exercise. ”Why is it over? We have not started to show escape skills yet! “ The students are unknown, so look at each other. Professor John Leach spread his hands and said: ”You have missed the best chance of escape, that is, if you really have a big fire, you’re already running out of luck!“ Everyone was puzzled: ”Why? “ Professor John Lizzie explained: ”From the monitoring point of view, after the fire alarm rang, everyone’s first reaction is not quickly downstairs, but