治疗肺肾阴虚经行吐衄，方选顺经汤，临床上常加用（）
A.栀子
B.川牛膝
C.白茅根
D.茜草
E.川楝子
参考答案：B
He has been working in the factory _______ ten years ago. [ ]
A. for
B. in
C. since
D. about
激素依赖型肾病
