含有树脂道的药材有（）
A.党参
B.人参
C.黄芪
D.三七
E.西洋参
参考答案：B, D, E
Before 2005, there was no airline ______ the two cities. [ ]
A. along
B. in
C. between
D. among
系统接地时禁止进行什么项目的测量？
