成药以制成后性状特点为命名依据的是（）。
A、安宫牛黄丸
B、金匮肾气丸
C、苏合香丸
D、紫雪丹
参考答案：D
I remember my daughter used to ask some questions that girls _______ would ask. [ ]
A. twice her age
B. twice so old as she
C. as twice old as her
D. twice old as her age
举例说明蚜虫的防治方法.
