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问题 多项选择题

民用建筑中，混凝土基础断面的形式有（）。

A.矩形

B.锥形

C.阶梯形

D.圆弧形

答案

参考答案：A, B, C

选择题

Many CD companies had intended to get much from the business, but it________so bad. [ ]

A. made out                    

B. turned out

C. went out                    

D. carried out
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单项选择题

A quality assurance team should be (75) 。
① associated with any particular development group
② depended upon any particular development group
③ responsible for reporting directly to management
④ In-depended upon any particular development group

A．①②

B．②③

C．③④

D．①②③④
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