第25题: [单项选择]Student A: ______ Student B: What's the problem Student A: I switched on the power five minutes ago, and now it doesn't show up. A. Are you the owner of the computer here B. Do you know this computer C. What can I do for you D. Could you help me 参考答案:D 答案解析:[解析] 根据下文的意思,“你能帮个忙吗”符合题意。
第26题:[单选题]单选题 相对编号常用于()中。 A. 安装接线图 B. 屏面布置图 C. 归总式原理图 参考答案:A