人参归脾丸中的理气药是（）
A.木香
B.陈皮
C.砂仁
D.枳壳
E.香附
参考答案：A
曲线y=x2-2x+1在点（1，0）处的切线方程为（ ）
A．y=-2x+2
B．y=2x-2
C．y=-x+1
D．y=1
. When cutting the cloth for my suit, leave enough at the edges to my getting fatter.
A．supply of
B．provide for
C．provide against
D．provide with
