井下供电系统中泄漏电流的大小，只取决于系统绝缘电阻的大小。（）
参考答案：错
加速度的单位是（ ）
A．m/s
B．m/s2
C．ms
D．ms2
But one day I __________________ what I often tell him to do.
A. was caught not doing B. was caught not to do
C. was not caught doing C. was caught to not do
