According to the Sale Contract，it’s of FOB plus S.T.term．It’s quite obvious that（）. ["our ship is not responsible for trimming and stowing","our ship is responsible for trimming and stowing","our ship is responsible for expenses","our ship is not responsible for expense"]
达梦的安全管理机制把系统管理员分为哪几类（）。 ["数据库管理员DBA","数据库操作员OPER","数据库安全管理员SSO","数据库审计员AUDITOR"]
苏联著名导演梁赞诺夫的“爱情三部曲”是纪实性风格的道德题材影片。
潜水病是在快速减压条件下发生的，下列物质中与此关系最大的是（） ["氧气","二氧化碳","氮气","氢离子","碳酸氢根"]
数据库的安全性包含哪些方面（）。 ["限制对数据和服务的访问","验证用户","保证数据的完整性","监视可疑活动"]
什么是反应中心？
