题目

 - So what is the procedure? - All the applicants ________ before a final decision is made by the authority. A. interview                                          B. are interviewing C. are interviewed                                 D. are being interviewed 答案：C（2011?门头沟区一模）如图所示电路，电源两端电压为6V且保持不变，当只闭合开关S1时，电流表的示数为0.5A；只闭合开关S2时，电流表的示数为0.2A；只闭合S3时，电流表的示数为0.6A．下列说法正确的是（　　）A．只断开开关S2时，电流表的示数为1.1AB．电阻R1=8Ω，R2=10ΩC．只闭合开关S2时，电阻R3消耗的电功率是0.4WD．三个开关都闭合时，电流表的示数为1.85A