入药部位为枝梢及叶的药材
A．蓼大青叶 B．大青叶 C．番泻叶 D．侧柏叶 E．罗布麻叶
参考答案：D
Sometimes ______English is quite different from ______English in many ways.
A．speaking, writing
B．spoken, written
C．speaking, written
D．spoken, writing
石膏类包埋材料的主要成分是（）
A.磷酸盐
B.石英
C.二氧化硅
D.硬质石膏
E.SiO2
