题目

下列设备中不能把模拟信号转换成数字信号的是（） A . 显示器 B . 智能手机 C . 扫描仪 D . 录音笔 答案：A短文改错(共10小题；每小题l分，满分10分) 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。删除：把多余的词用斜线(＼)划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1. 每处错误及其修改均仅限一词；2. 只允许修改10处，多者(从第11处起)不计分。I went out early today to attend the birthday party and after it was over, I went to a place when I often have lunch. Usually, I would take the bus home from there, or today I decided to walk home instead taking the bus. I want to get some exercise.On my walk home, I saw a girl’s student ID card had been dropping by the bus stop. I decided to get home and try out to reach her online so I could return it to me as soon as possible. I sent her a message eager and made arrange to meet her to give it back to her.