蒸馏酒的主要卫生问题是（）。 ["细菌污染","黄曲霉毒素","食品添加剂","甲醇"]
（）是指一个论证有效性的形式证明。 ["文恩图检验","形式演绎","三段论","逻辑验算"]
You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?（） [" Backup compression should be enabled"," Parallelism for the channel should be set to 2"," All the files must be backed up as backup sets"," The backup may be stored either on disk or on media with media manager"]
在动态LPAR方案中，需要在每个分区中配置单独的网卡与HMC连接吗？（） ["需要","不需要","看具体情况，不一定"]
齿轮传动中，为增加接触面积，改善啮合质量，在保留原齿轮传动副的情况下，采取（）措施。 ["刮削","研磨","锉削","加载跑合"]
人为什么是管理客体系统的中心？
