第10题: [单项选择]How she wishes she _________ more attention to her lessons when she was at school! A. have paid B. paid C. had paid D. has paid 参考答案:C 答案解析:[解析] 本题考查虚拟语气的用法。wish后面的宾语从句,用动词的过去时表示与现在的事实相反;用had加过去分词,表示与过去事实相反。本句中when she was at school是过去的时间,故
第11题: [单项选择]对控制器的主要功能说法不正确的是() A. 使整个计算机有条不紊、自动执行程序 B. 控制器与存储器一起组成CPU C. 控制指令的取出、分析和执行 D. 是计算机的神经中枢 参考答案:B