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问题 单项选择题

某多层民用建筑，采用现浇钢筋混凝土框架结构，建筑平面形状为矩形，抗扭刚度较大，属规则框架，抗震等级为二级，梁、柱混凝土强度等级均为C30，平行于该建筑短边方向的边榀框架局部立面，如图1-4-7所示。

若框架梁在有震情况下的梁端配筋为：梁顶部625，梁底部425，α′zs=60mm，α′zs=40mm。试问，当考虑梁下部受压钢筋的作用肘，该梁端截面的抗弯承载力设计值（kN·m），与下列何项数值最为接近（）？

A.648 

B.725 

C.864 

D.902

答案

参考答案：C

选择题

The policeman told the little boy ______ in the street.

A. not play      B. not to play   C. don’t play
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填空题

短文填词

A shabby homeless lady was begging in the restaurant.

She was asking everyone who walked past her________

money.I hoped she didn't come near me,

________she came walking towards me.When she

came near,I said,"I'm________the phone."

She walked into the corner.Suddenly,something in

me couldn't rest.W________another thought,

I looked in my wallet for the________(多余的)

change I had.I g________up and walked towards

this lady and gave her all I found.She held my hand

and said,"Thank you!"________hand was rough

and dirty,but I didn't mind________(握住) her

hand.I held it there,trying to________(安慰)  

her with my heart open.It was powerful.It changed

something in me and has m________me a

kinder person.
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