麻黄汤与三拗汤的组成变化属于（）。
A.药味加减的变化
B.药量加减的变化
C.剂型更换的变化
D.药物配伍的变化
E.以上均不是
参考答案：A
两个实心物体，它们的质量之比是2：1，体积之比是2：3，则它们的密度之比是______．
All the people were shocked by what the little girl ________ when she was cheated and sold to the mountain village.
A．went over
B．went through
C．got along with
D．got away
