Which three resource plan parameters are used to enable Automatic Consumer Group Switching to estimate job execution times automatically， and to perform a switch to a low priority consumer group before they are initiated？（） ["SWITCH_TIME","SWITCH_GROUP","MAX_SESS_POOL","SWITCH_ESTIMATE"]
CAI软件指的是（）。 ["系统软件","计算机辅助教学软件","计算机辅助设计软件","办公自动化系统"]
机械密封有何优缺点？
银行在技术上的创造货币能力能否发挥，从根本上说，取决于（）。 ["银行贷款","银行存款","提现率","社会再生产等若干内在因素"]
下列主体中不能担任保证人的是（）。 ["公安局","海鹏房屋开发公司","胜利小学","仁和医院"]
读识电路图的一般要点是什么？
