第21题: [单项选择]A. She was open and frank. B. She was not willing to say much. C. Something was wrong with her lips. D. She totally refused to talk to the man. 参考答案:B 答案解析:[听力原文] W: Well, did you manage to get information from Professor Baker When are our results comi
第22题: [单项选择]在计算机信息系统中,图书、情报系统属于 A. MIS类 B. DSS类 C. OA类 D. IMS类 参考答案:D 答案解析:[解析] 计算机信息系统是一个广泛的概念。以计算机在管理领域的应用为主体内容,大体上可划分成管理信息系统、决策支持系统和办公信息系统。还有一类以信息管理为内容的信息管理系统,它们之间有联系但也有区分,