枳实导滞丸与枳实消痞丸的组成药物中均含有( )
A．半夏神曲B．白术茯苓C．枳实大黄D．黄芩黄连E．木香厚朴
参考答案：B
Sitting at the back of the room but in front of some old men and women ______ a very shy girl with two bright eyes.
A．was
B．were
C．are
D．being
根据双代号网络图绘图规则，下列网络图中的绘图错误有（）处。
A.5
B.4
C.3
D.2
