题目: 操作系统管理用户数据的单位是( )。A.扇区B.文件C.磁道D.文件夹 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1206/718629aadcf6a4cf864cdf7af4952a23.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 All over the world the mobile phone has leaped from being an impossible luxury in the early 1980s to most people would now call a necessity.A.whichB.thatC.whatD.when 查看答案