药物与高分子化合物生成难溶性盐达到缓释作用根据哪种原理A．溶

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问题单项选择题

药物与高分子化合物生成难溶性盐达到缓释作用根据哪种原理

A．溶出原理

B．扩散原理

C．溶蚀与扩散、溶出结合

D．渗透原理

E．以上答案都不正确

答案

参考答案：A

选择题

—How do you find the health club?

—I . Everyone is saying its management is going from bad to worse

A．ought to join

B．should have joined

C．would rather not have joined

D．would like to have joined

问答题简答题

丝光的主要用剂是什么？丝光的对象为哪些织物？