锚栓抗拔承载力现场检验可分为非破坏性检验和破坏性检验。()
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A web application uses the HttpSession mechanism to determine if a user is "logged in." When a usersupplies a valid user name and password, an HttpSession is created for that user. The user has access tothe application for only 15 minutes after logging in. The code must determine how long the user has beenlogged in, and if this time is greater than 15 minutes, must destroy the HttpSession. Which method in HttpSession is used to accomplish this?()
A. Getcreationtime
B. Invalidateafter
C. Getlastaccessedtime
D. Getmaxinactiveinterval
矫正车身上钣金构件的伸胀而引起的隆起变形,若使用收缩锤和收缩垫铁,应同时并用。
A. 正确
B. 错误
装车工要对带压汽车罐车进行认真检查,对下列情况之一者,不予装车,并向车间汇报()
A. 车体不完整,如压力表、温度计不好用
B. 车体静电接地线缺少或不完好,无阻火器
C. 无氧含量分析合格单
D. 槽车内无压力
《中国共产党廉洁自律准则》对党员和党员领导干部提出了“八条规范”,其中第六条是:廉洁用权,()。
A. 自觉维护人民根本利益
B. 自觉保持人民公仆本色
C. 自觉带头树立良好家风
D. 自觉提升思想道德境界