女性，36岁。患急性肾衰竭，测定血钾6.5mmol/L，出现心律不齐，应首先采取的措施是（） ["乳酸钠静脉滴注","10％葡萄糖酸钙静脉注射","5％碳酸氢钠静脉滴注","生理盐水静脉滴注E.高渗葡萄糖加胰岛素静脉滴注"]
Which command is used to configure RMAN to perform a compressed backup for every backup executed？（） [" BACKUP AS COMPRESSED BACKUPSET DATABASE"," BACKUP AS COMPRESSED COPY OF DATABASE"," CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET"," CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS "," BACKUP DATABASE COMPRESS"]
在电力系统中应至少有（）的备用容量。
幼儿园的人、财、物是幼儿园的物质资源，这是管理的基本要素，是有形的管理对象。除了以上三种资源，还包括（）资源。 ["人力","财力","时间","信息"]
量具在使用过程中，（）和工具、刀具放在一起。 ["不能","能","有时能","可以"]
城市生态系统
