[单项选择] Questions 22 to 25 are based on the conversation you have just heard. A. Karen’s friend. B. Karen’s parents. C. Karen’s lecturers. D. Karen herself.
参考答案:B 答案解析:[听力原文] Who thinks philosophy graduates have limited job opportunities
第33题: [单项选择]事务的ACID特性中的C的含义是 A. 一致性(Consistenc B. 临近性(Contiguit C. 连续性(Continuit D. 并发性(Concurrenc 参考答案:A 答案解析:解析:为保证事务的正确执行,维护数据库的完整性,要求数据库系统维护的事务特性:原子性(Atomiclity),一致性(Consistency),隔离性(Isolation),持久性 (Durabili