平面直角坐标系中，方程|x|+|y|=1的曲线围成的封闭图形绕y轴旋转一周所形成的几何体的体积为____ ．

请根据下面一则消息，先拟出一个新闻性标题，再写一则观点性简评。

    据《潇湘晨报》报道  2014年10月1日至3日，游客只要背出《岳阳楼记》，就能获得一张“免费门票”，凭此票可免费畅游岳阳楼。三天中，共有3 300余人以这种方式获得了岳阳楼的门票。岳阳从2013年春节推出背《岳阳楼记》领免费门票活动，目前已有数万名游客通过背诵免费登上了岳阳楼。

 孝感城区每天清晨都要进行洒水，若一辆洒水车空车质量6t，水罐容积5m³．装满水后，车轮与地面的总接触面积为0.5m²．（g取10N/kg，ρ_水=1.0×10³kg/m³）．

问：

用括号内所给动词的适当形式填空。
⑴Mr Reed made up his mind to devote all he had to____ (set) up some schools for poor children.
⑵The thieves____  (catch) when they were trying to sell the computer.
⑶We all know some colours ____ (make) us feel warm and peaceful.
⑷We should have a discussion whether ____ (travel) to Singapore or not.
⑸Tom, can you answer my question?
    Err, I'm sorry, Miss White, I ____  (think) about something else.
⑹I am sure that all of the problems ____  (deal) with very soon.
⑺Before Jacky Chen went to Hollywood, he____  (be) famous in Hong Kong for many years.
⑻Look! Someone ____(clean) the blackboard.
   Well, it wasn't mine. I didn't do it.