钳形电流表测量完毕，应将量程开关置于（）位置上。
A、最小
B、中间
C、最大
D、任意
参考答案：C
— Have you seen Michael recently ?
— Yes, in fact I saw him this morning. I ____ him for two years.
A．haven’t seen
B．hadn’t seen
C．didn’t see
D．don’t see
病人神志昏迷，鼾声不绝者多见于（）
A.痹证
B.痿证
C.癫证
D.痫证
E.中风
