单凝聚法（）
A．脂质体
B．软膏剂
C．微囊
D．栓剂
E．软胶囊下列方法适于制备哪种剂型
参考答案：C
Our history teacher often tells us funny story to ________.
A. make us laughing B. make us laugh C. make us to laugh
焊接规范
