第3题: [单项选择]系统软件和应用软件的相互关系是( )。 A. 前者以后者为基础 B. 后者以前者为基础 C. 相互没有关系 D. 相互支持 参考答案:B 答案解析:在硬件和系统软件的支持下,才有了应用软件,应用软件以系统软件为基础。
第4题: [简答题]A. They planned a total buying. B. They went on higher stage in business. C. They managed to accept a buying bid. D. They wanted to overtake other companies. 参考答案: 答案解析:[解析] They staged a management buyout to pre-exempt a takeover bid.