做膝跳反射实验时，应迅速正确叩击受试同学的[ ]
A．膝盖
B．膝盖下韧带
C．小腿
D．大腿
答案：B
——How many god medals did China at the 2010 Winter Olympics?
——Five.
A．win
B．to win
C．winning
D．won
“少阴病，二三日至四五日，腹痛，小便不利，下利不止，______，______。”
