中药鸡内金在鸡哪个器官（）
A.食管
B.嗉囊
C.腺胃
D.肌胃
E.胆囊
参考答案：D
After that we never saw her again, nor ____ from her. [ ]
A. did we hear
B. we heard
C. had we heard
D. we have heard
采用估值技术确定公允价值的有( )。
A．首次发行未上市的股票
B．停止交易但未行权的权证
C．发行未上市的债券
D．全国银行间债券市场交易的债券
