电压在电场中两点之间的电势差（又称电位差）称为（）。
A、电源
B、电流
C、电压
D、电阻
参考答案：C
— Come on, baby! You will succeed. We all wish to get good news.
— ____, but I'll do my best.[ ]
A. No problem
B. It is impossible
C. I can't promise
D. Don't worry
什么叫骨盆骶股弓？
