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【简答题】
《建筑安全生产管理条例》和《危险性较大工程安全专项施工方案编制及专家论证审查办法》规定危险性较大的工程要求进行专家论证,其中一项是规定深基坑工程的,这里的深基坑工程指的是开挖深度不小于()m的基坑()并采用支护结构施工的工程;或基坑虽未超过()m,但地质条件和周围环境复杂、地下水位在坑底以上等工程。另外对于脚手架也明确规定:其中超过()m的落地式脚手架需要编制方案。
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B.
[H+] + [H3PO4] = [HPO42-] + 2[PO43-] + [OH-]
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【单选题】—Could you tell me ? —He’s a bank clerk.
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【简答题】阅读理解 What's your idea of a good time? What about dancing in a rainy field with one hundred and fifty thousand other people? A famous rock band plays on a stage so far away that the performers look ver...
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【单选题】( )是指把生产要素在生产中所得到的各种收入相加。
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After all
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In other words
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A.
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B.
whose
C.
who
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A.
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B.
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