在标准试验条件下，在无负荷和输出端开路时，由输入端测出的电阻应变式传感器的阻抗是（）
A.输入电阻
B.输出电阻
C.补偿电阻
D.绝缘电阻
参考答案：A
— Do you think it's a good idea to make friends with your students?
— _____, I do. I think it's a great idea. [ ]
A. Really
B. Obviously
C. Actually
D. Generally
驾驶员为什么要做好车辆例行保养？
