试题与答案

颗粒剂在制备工艺中的制粒时,常加入同浓度的乙醇,这样做的目的是什么?

题型:问答题

题目:

颗粒剂在制备工艺中的制粒时,常加入同浓度的乙醇,这样做的目的是什么?

答案:

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school. My father is a doctor in a big hospital. I have a dog. Its name is Ben. We are

good friends.

1. Dale and Helen are ______.

A. brother and sister

B. friends

C. students

D. both A and C

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A. an English teacher

B. a doctor

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D. eleven

3. Ben is the name of ______.

A. Dale's sister

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4. Helen is ______.

A. an English teacher

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D. eleven

5. Dale, Helen and their mother are ______.

A. students

B. at home

C. friends

D in the same school

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