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常用的评价单元划分的原则和方法是()。

A、以装置的工艺功能划分
B、以装置和物质特征划分
C、以工艺条件划分
D、以危险、有害因素的类别为主划分
E、以装置的昂贵程度划分
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正确答案:

BE

答案解析:

暂无解析

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C.teachpeoplehowtoenjoytheirlives.

D.bringhappinesstothepublicinsteadofgoingtoglamorousparties.

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A.affordsgreaterfun.

B.leadstoraisingchildren.

C.indicatescommitment.

D.endsinpain.

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A.areluckysincetheycanhaveawholenight’ssleep.

B.findfunintuckingthemintobedatnight.

C.findmoretimetoplayandjokewiththem.

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Manyartistspredictthatthisbrilliantyoungactor__tobeashinningstar.

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