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问题 单项选择题

已知4A+5B=2C+2D，则关于反应速率，正确的关系是()

A.4V(A)=5V(B)

B.5V(B)=6VD

C.2V(A)=3VD

D.4V(B)=5V(A)

答案

参考答案：D

单项选择题

A team member notifies the project manager that the activities comprising a work package are no longer appropriate．It would be BEST for the project manager to be in what part of the project management process ？（）

A．Corrective actio

B．Integrated change contro

C．Monitoring and controllin

D．Project closin
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多项选择题

砌筑工程质量的基本要求是（）。

A.横平竖直

B.砂浆饱满

C.上下错缝

D.内外搭接

E.砖强度高
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