FreonA.气雾剂中的抛射剂B.空胶囊的主要成型材料C.膜剂常用的膜材D.气雾剂中的潜溶剂E.防腐剂
Freon
A.气雾剂中的抛射剂
B.空胶囊的主要成型材料
C.膜剂常用的膜材
D.气雾剂中的潜溶剂
E.防腐剂
参考解析
解析：此题考查Freon和聚乙烯醇作为药物辅料的常用用途。Freon为氟利昂，在气雾剂中以抛射剂使用；聚乙烯醇为膜剂的常用膜材。故本题答案应选A、C。
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