题目

After ______ for the job, you will be required to take a language test. A. being interviewed   B. interviewed  C. interviewing  D. having interviewed 答案：A如图所示是一标有“3V  15mA“字样的无线光电鼠标，将接收器插入电脑，就可用鼠标操控电脑了．下列有关说法错误的是（ ）A．鼠标正常工作时的电压是3VB．鼠标和接收器之间通过电磁波联系C．鼠标工作时部分电能转化成光能D．鼠标做成“鼠”形可以增大与手掌的接触面积减小压力