尤善治热毒血痢的药物是（）
A.苦参
B.葛根
C.白头翁
D.栀子
E.黄柏
参考答案：C
法兰阀门安装单位是( )。
A．个
B．kg
C．组
D．片
— ______?
—We can't run in the hallways.[ ]
A. Can you run at your school
B. What are the rules at your school
C. What do you usually do in the hallways
