电压互感器相当于（）。 ["空载运行的降压变压器","空载运行的升压变压器","满载运行的升压变压器","满载运行的降压变压器"]
You are using the Block Media Recovery feature to recover the blocks that are marked corrupt since the last backup. Which view will you query to display information about the data blocks that are marked corrupt since the last backup？（） [" V$BACKUP_CORRUPTION"," V$COPY_CORRUPTION"," V$DATABASE_BLOCK_CORRUPTION"," RC_BACKUP_CORRUPTION"]
下列说法错误的是（） ["智能卡能存储大量用户的个人信息","Mondex卡可以延期结算","Mondex卡是万事达国际公司的产品","智能卡比传统结算卡更易防止滥用"]
监理单位应当按照水利部的规定，取得《水利工程建设监理单位资质等级证书》，并在其资质等级许可的范围内承揽水利工程建设监理业务。
What is the minimum recommended amount of memory that can be assigned to a new VIO server？（） ["128MB","256MB","512MB","1GB"]
成本的控制方法
