第8题: [单项选择]Questions 11 ~ 13 are based on the. following dialogue, between two passengers.What kind of weather is normal for March A. Cold. B. Very hot. C. Cooler than that day. D. Drier than that day. 参考答案:C 答案解析:[听力原文]11-13 M: Excuse me. Have you been Waiting long W: Yes, about ten minutes. M: Did you
第19题: [单项选择]以下数据库除 ______外,均为严格意义上的DBMS系统。 A. Oracle B. Access C. Sybase的PowerBuilder D. SQL Server 参考答案:B 答案解析:[解析] 目前流行的DBMS均为关系数据库系统,如ORACLE、Sybase的Power Builder及IBM的DB2、微软的SQL Server等,它们均为严格意义上的DBMS系统。另外有一些小型