建筑业常见的重要环境因素有( )。

建筑业常见的重要环境因素有( )。A.粉尘、噪声、废水、废气、废弃物 B.粉尘、噪声、废水、废气、剧毒化学品 C.粉尘、噪声、废渣、废水、废气 D.粉尘、噪声、

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吊装工程容易发生( )等类型安全事故。

吊装工程容易发生( )等类型安全事故。A.起重伤害 B.高处坠落 C.物体打击 D.坍塌 E.触电

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Stem cell therapy seems to have great prospects.

Stem cell therapy seems to have great prospects.A.Right B.Wrong C.Not mentioned

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The study actually proved for the first time the benefit of

The study actually proved for the first time the benefit of stem cell therapy.A.

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In Britain and many other countries appraisal is now a tool

In Britain and many other countries appraisal is now a tool of management.A.eval

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