《水利水电工程施工质量检验与评定规程》SL176―2007（以下简称新规程）规定水利水电工程施工质量等级分为（）两级。 ["合格、优良","合格、不合格","合格、优秀","以上都不对"]
While planning to manage more than one database in your system， you perform the following activities： 1. Organize different categories of files into independent subdirectories. 2. Use consistent naming convention for database files. 3. Separate administrative information pertaining to each database. Which option corresponds to the type of activities performed by you？（） ["Oracle Managed Files","Oracle Grid Architecture","Optimal Flexible Architecture","Oracle database architecture"]
百分表使用过程中应避免受到（）和振动。
You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group ，you issued the following ASMCMD command： ASMCMD> lsdsk -I -d DATA Which statement is true regarding the outcome of this command？（） [" The command succeeds but it retrieves only the disk names."," The command produces an error because the ASM instance is down."," The command succeeds but it shows only the status of the ASM instance."," The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value."]
在污水处理设备中，往经过分离槽的污水中加凝聚剂的应是：（） ["混合槽","凝聚槽","沉淀槽"]
抗生素是如何杀菌和抑菌的？
