圣愈汤治疗痛经的适应证是（）
A.气血虚弱
B.肝肾亏损
C.心肝血虚
D.血虚气滞
E.气滞血瘀
参考答案：A
I have ______ homework to do today. [ ]
A. too many
B. too much
C. very much
D. much too
试述过度训练的病因？
