与痞满发生有关的病理因素有
A．热
B．气
C．湿
D．痰
E．虚
参考答案：A,B,C,D,E
We like elephants , because they are interesting . And we like dogs , ______.
A．also
B．either
C．/
D．too
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ