感线圈所储的磁场能量为零的条件是（）。 ["线圈两端电压为零","通过线圈的电流为零","同是满足A，B二条件"]
A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message： Which is the recommended sequence of operations you need to perform for the query successfully？（） [" Drop the affected tablespace，re-create the tablespace，restore the datafiles，and the tablespace."," Take the affected datafile offline（if not already offline），restore the damaged image of the datafile，and then bring it online."," Restart the database in MOUNT mode，restore the damaged datafile，recover the datafile and then open the database with resetlogs."," Put the database in RESTRICTED mode，restore all the datafiles in the affected datafile and recover the tablespace，and then put the database in normal operational mode."]
拉丁美洲在取得独立后，社会发展一直较为迟滞，其原因有（）。①经济上的大地产制②政治上的考迪罗体制③思想上的天主教会影响④欧美列强的经济和军事侵略 ["①②④","①②③","①④","①②③④"]
关于竣工决算以下哪些说法是正确的（） ["通过对基本建设程序方面的审核，充分保障基本建设行为的合法、合规性，维护国家利益和承包人的正当的业主权益","通过对工程造价的审核，确定各标段承包人的合理结算价格，实现节约建安投资、提高投资效益的目的","通过决算审核，规范建设单位的工程建设成本控制和财务管理工作，纠正项目建设中存在的问题","通过竣工决算，可以进一步的降低工作造价，实现业主利益的最大化"]
You have forgotten the name of binary PL/SQL library saved to the operating system. This file contains the PL/SQL constricts you created for the inventory report. For which file extension should you reach?（） [" .SQL "," .PLL "," .PLD"," .PRT"]
耐水湿植物
