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【简答题】
该建筑物第2～5层平板部分，采用非预应力混凝土平板结构，板厚200mm；纵横暗梁，为1000mm。第2层平板某处暗4-18所示，与其相连的中柱断面6×h=600mm×600mm；在该层楼面重力荷载代表值作用下柱的轴向压力设计值为500kN。由等代平面框架分析结果得知，柱上板带配筋：上部为3600mm2，下部为2700mm2；钢筋种类均采用 HRB335(fv=300N/mm2)。假使纵横向暗梁配筋相同，试问，在下列暗梁的各组配筋中，哪一组最符合既安全又经济的要求？ 提示：柱上板带(包括暗梁)中的钢筋未全部示出。
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【简答题】阅读理解。 'It's over! Thank goodness!' School was over and I was tired. I sat at the front of the school bus. Janie, the driver, always tries to break the uncomfortable atmosphere (气氛) by talking. I try t...
【单选题】On February 3,1956,Autherine Lucy became the first African-American student to attend the University ofAlabama,although the dean of women refused to allow Autherine to live in a university dormitory. ...
A.
She moved into a dormitory.
B.
She sat in the front row of her class.
C.
She became terrified of the white rioters.
D.
She was befriended by an assistant to the university president.
【单选题】On the first day of teaching, Frank McCourt sat behind a desk because _________
A.
As a new teacher, he was shy and scared by the students
B.
He was lazy and reluctant to stand up to teach the students
C.
He thought teachers were authoritative so that he could sit during teaching
D.
He just arrived at the classroom earlier and was waiting for the students
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