属非均相液体药剂的是
A．芳香水剂
B．甘油剂
C．混悬剂
D．糖浆剂
E．溶液剂
参考答案：C
Waste paper shouldn't everywhere .It's our duty to keep our city clean.[ ]
A. be thrown
B. throw
C. is thrown
D. are thrown
下列哪些结构属于眼球的折光系统 [ ]
A．角膜
B．房水
C．晶状体
D．玻璃体
