真寒假热证产生的机理是（）。
A.阴盛格阳
B.阳盛格阴
C.阴不敛阳
D.阳不敛阴
E.表热里寒
参考答案：A
- Excuse me, is this seat taken?
- _____. That man got his books and left a few minutes ago.
A．I’m afraid so
B．I don’t think so
C．I don’t know
D．I hope not
简易通便法的目的及操作注意事项有哪些？
