叙述击打法的方法。
参考答案：
用拳捶击肢体的手法叫捶击法，用手掌拍打患处的手法叫拍打法，两法并用，称击打法
Do you know when _________ he ________ the Football Club ? And how long ______ he _______ it ?
A．did join ; has been
B．did join in ; have been a member of
C．did join ; has been in
D．has joined ; has been a member of
LD催化乳酸生成丙酮酸的反应较适当的pH是（）
A.10.5
B.9.0
C.7.6
D.7.0
E.4.6
