可用于制备亲水凝胶型骨架片的是( )。 A．羟丙基甲基纤维素 B

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问题单项选择题

可用于制备亲水凝胶型骨架片的是( )。

A．羟丙基甲基纤维素
B．单硬脂酸甘油酯
C．大豆磷脂
D．无毒聚氯乙烯
E．乙基纤维素

答案

参考答案：A

解析：[知识点] 缓控释制剂的处方和制备工艺

补全对话，情景问答

补充对话 (每空一词)。

A: Let's play __1__ , OK?

B: Sorry, I don't have a volleyball. __2__ I have a basketball.

A: I __3__ want to play basketball. I only want to play volleyball.

B: Who__4__ a volleyball?Do you know?

A: Maybe Tom has one. Let's go and ask him.

A and B: Hi, Tom, __5__ you have a volleyball?

C: No, I __6__ .__7__ Peter have one?

A and B: Oh, yes , he __8__ .

A, B and C: Hi, Peter! Do you have a volleyball?

D: Yes, I do. __9__ is here.

A B and C: Let's play volleyball, OK?

D: OK! __10__ go!

填空题

石墨电极主要用于电弧炼钢炉、（）、（）。