麻黄汤中的臣药是（）
A.麻黄
B.桂枝
C.杏仁
D.甘草
E.桂枝，杏仁
参考答案：B
—Linda, you are good at swimming. Who taught you ______?
—Nobody. I taught _______.
A．swim; me
B．swimming; myself
C．to swim; me
D．to swim; myself
韵母的分类？
