下列划线词在文中有什么特殊含义？

现在为了方正有些需要，事业需要，有时候就去卖狗皮膏药，做点招摇撞骗的事情。

一个水池装有一个放水管和一个排水管，单开放水管8小时可将空池灌满，单开排水管10小时可将满池水排空。如果一开始是空池，打开放水管5小时后又打开排水管，再过多长时间池内刚好灌满水？

司机吴斌驾驶大客车在高速公路上正常行驶时，面对突然飞来的铁块造成身体严重挫伤的危急时刻，用惊人的毅力完成了一系列安全操作，确保了24名乘客安然无恙，他却因伤势过重献出了宝贵的生命。下列关于“最美司机”吴斌的说法错误的是 （   ）

我国尊重和保障人权，中国人民最根本的人权是人民当家作主的权利。这是由我国
①国家性质决定的                     ②社会主义的经济制度决定的
③经济发展水平和文化发展水平决定的   ④社会主义宪法规定的

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：①每处错误及其修改均限一词;
②只允许修改10处，多者（从第11处起）不计分。
    The other day I ran into an old schoolmate of my, Sally Barber, while I was at the cashpoint. I hadn't seen her for age. I wanted to catch up with her, so I suggested go for a cup of coffee. Unfortunately, Sally's a very busy woman, but she didn't have time for a coffee. Let's meet late in the week, I suggested. That is often the case, Sally looked in her diary, and said we could get together for lunch at 1 pm on Friday at her favorite restaurant. I thought it was a very much smart place, so I had dress in for the occasion. I arrived at a restaurant in good time. I finished my dessert by the time she turned up –she was an hour late!