第14题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He got angry with his boss B. He always got to work late C. He was frequently sick and absent from work D. He prepared a financial report incorrectly 参考答案:D 答案解析:[听力原文]
M: I was sorry to hear about Bill’s being fired. I know he was sick a lot and that he usuall
第32题: [单项选择]下列不属于关系数据库产品的是 A. DB2 B. CODASYL系统 C. ORACLE系统 D. SYBASE 参考答案:B 答案解析:[命题目的] 本题主要考查了对关系数据库系统的产品的了解。 [解题要点] CODASYL系统属于网状模型的数据库产品;DB2、ORACLE、SYBASE系统属于关系数据库的数据库产品。