挥发油的特性有

问题：

A . 易溶于石油醚、乙醚，难溶于水
B . 多数比水重
C . 与空气接触会氧化变质
D . 具有升华性
E . 具有旋光性

参考答案：A,C,E

参考解析：

本题暂无解析

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