正确答案: A

十万级

题目：制剂生产控制区的洁净度要求为（ ）。

解析：A

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举一反三的答案和解析：

[单选题]KristiHollmentionsherexperiencemainlyto_____.

promotethewritingprogram

[单选题]

thankful

[单选题]该类地貌发于典型的山区

图层较薄，土壤贫瘠

[单选题]51________

as

[单选题]

B． even C． still D． again

still

[单选题]下列句子中，全部表现梅圣俞夫妇情深的一组是（3分）①出其哭内之诗而悲

①③⑤

解析：

6．【答案】B

[单选题]The author gradually realizes her mother’s English is _____.

rich in meaning

[单选题]CA few years ago I had an “aha!” moment regarding handwriting.

He had worked with his colleague long enough.

解析：【解析】细节理解题。由第二段最后一句I had been working with this colleague for at least a year, maybe two, and yet I did not recognize her handwriting可知。