中风闭证的病机是
A．热入心包
B．热结胃肠
C．邪实内闭
D．热动肝风
E．痰湿内阻
参考答案：C
—Would you like to play football with us?
—__________. [ ]
A. Yes, I could
B. Yes, I do
C. Yes, I could like
D. Yes, I'd love to
在一般土壤中，腐殖质约占有机质总量的（）。
A.85—90%
B.10—20%
C.35—55%
D.75—85%
