人民当家作主是社会主义民主政治的本质和核心。[ ]
√
The police found the lost car _____ .
A. with mistake
B. by accident
C. to mistake
D. in accident .
成人肾小球滤过率为()
A．50ml/min
B．100ml/min
C．120ml/min
D．160ml/min
E．200ml/min
