透皮吸收制剂中加入"Azone"的目的是（） A.增加塑性 B.产生微

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问题单项选择题 A2型题

透皮吸收制剂中加入"Azone"的目的是（）

A.增加塑性

B.产生微孔

C.渗透促进剂促进主药吸收

D.抗氧剂增加主药的稳定性

E.防腐抑菌剂

答案

参考答案：C

填空题

用所给词的适当形式填空

1. Everyone knows that giving is better than _____ (receive) .

2. The little boy got more and more _____ (interest) in that computer game.

3. There are too many people at the finishing line. I wonder who is the _____ ( win) of the boys'100-metre race.

4. Kate and Tina are afraid of living in the country, because there are too many _____ (mouse) .

5. -How much is this T-shirt?

-100 yuan. But when I bought mine, it _____ (cost) me 120 yuan.

单项选择题

以下编码率最高的语音编码方式为（）。

A.PCM

B.ADPCM

C.CELP

D.AMBE