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【简答题】
已知矩形截面梁，处于二类a环境，截面尺寸b×h=250mm×500mm，采用C30混凝土和HRB335级钢筋。在受压区配有 的钢筋，在受拉区配有 的钢筋，试验算此梁承受弯矩设计值M=120kN·m时，是否安全?
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反馈参考答案：
举一反三
【单选题】-- Don’t you mind my smoking here? --- ______. The children have gone out playing.
A.
No, please not
B.
No, go ahead, please
C.
Yes, I do
D.
I’m sorry to hear that
【单选题】—I regret such a silly mistake in the English exam. — you keep on trying, I don’t really mind whether you can come out top in your class.
A.
making; So long as
B.
to have made; As soon as
C.
to make; Once
D.
having made; The moment
【单选题】you keep ontrying ,I don’t really mind whether you can come top in your class.
A.
So long as
B.
As soon as
C.
Once
D.
The moment
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