产业组织
What is the purpose of the catalog command？（） [" To review RMAN control file and recovery catalog metadata and ensure that its correct"," To delete RMAN backup-related metadata from the recovery catalog"," To create metadata in the control file and the recovery catalog related to backup set pieces "," To create a report that lists database backups"," To rebuild the recovery catalog"]
为了防止评标委员会成员之间对同一投标人评分差距过大，（）可在评标办法前附表中进一步约定投标人得分的最终计算方法。 ["投标人","审批人","招标人","设计人"]
Given： What is the result？（） ["null","zero","some","Compilation fails.","An exception is thrown at runtime."]
液压泵的排油量取决于密封腔（）变化。 ["压力","容积","性能","油位"]
氧气压缩机的气缸内，严禁用（）润滑，否则会引起爆炸。
