题目内容

将PVP加至胰岛素、肾上腺素或青霉素等制剂，其长效机理主要是()

A. 增加黏度以减少扩散速度
B. 形成亲水凝胶型骨架
C. 药物与高分子形成难溶性盐
D. 离子交换作用
E. 渗透泵原理

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The Transformational-Generative Grammar was first put forward by______.

A. Saussure
B. John Austin
C. Noam Chomsky
D. M.A.K. Halliday

下列属于可作为肠溶衣材料的组合是()

A. EC，HPMCP
B. MCC，HPC
C. PVPP，HPMC
D. PEG，PVP
E. CAP，Eudragit L

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A. number
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What type of sentence is "Jim has chosen a law school because he wants to be a lawyer in future."？

A simple sentence.
B. A coordinate sentence.
C. A complex sentence.
D. None of the above.