既息风止痉，又解毒散结的药是（）
A.礞石
B.天麻
C.钩藤
D.全蝎
E.石决明
参考答案：D
Film has a much shorter history，especially when________such art forms as music and painting. (2012·新课标全国，32)
A．having compared to
B．comparing to
C．compare to
D．compared to
比较矢量图形与位图的区别｡
