黄龙汤的功用是____，主治____。
参考答案：攻下热结，益气养血；阳明腑实，气血不足
The teacher asked me to repeat his words and_____.
A．so did I
B．I do so
C．I did so
D．so did he
周围性发绀见于
A．右心衰竭
B．肺炎
C．气胸
D．肺水肿
E．法洛四联症
