哪种脉象可见于正常人
A．弦脉B．滑脉C．大脉D．细脉E．沉脉
参考答案：B
I'm sorry for _____ all your stationery on your desk. [ ]
A . knock down
B . knocking off
C. knocking on
D. knocked over
绘画赏析：《清明上河图》
