痰湿蕴肺型咳嗽首选方
A．苏子降气汤B．小青龙汤C．六君子汤D．参苓白术散E．二陈汤
参考答案：E
具有不稳定性的是[ ]
A．三角形
B．平行四边形
C．梯形
Dr. Smith, together with his wife and daughters, visit Beijing this summer.
A．is going to
B．are going to
C．was going to
D．were going to
