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参考答案:E解析:肼是一种至癌物质,因此国内外药典均要求对异烟肼原料药及其制剂中游离肼进行检查;地西泮注射液中检查的分解产物是2-甲氨基-5-氯二苯酮;盐酸氯丙嗪有关物质检查主要控制合成的原料氯吩噻嗪和...

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题型:填空题

用动词的适当形式填空。

1. Madee chooses _______ (clean) the blackboard.

2. My father makes me _______ (work) all day.

3. Simon looks forward _______ (climb)the hill.

4. Hurry up! Your mother _______ (wait) for you!

5. We students must _______ (study) hard.

6. Tom and Judy _______ (go) to the cinema last Friday.

7. Tell her _______ (open) those windows.

8. Do you think it _______ (rain) this afternoon?

9. It's interesting _______ (play) hide-and-seek.

10.We all agreed _______ (start) early.

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