被誉为"舟楫之剂"，能载药上浮之品为（）
A.柴胡
B.升麻
C.葛根
D.桔梗
E.前胡
参考答案：D
计算x6÷x2=（ ）．
—Few well-known singers came to the concert,did they?
---__________.Such as Xijun Liu,Jay Chou and Kristy Zhang.
A.No,they didn’t. B.Yes,they did. C.No,they did. Dyes,they didn’t.
