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【单选题】
(框架结构)某多层框架的计算简图如图所示。底层各柱线刚度为 0.9 × 10 4 kN · m ,底层边柱侧移刚度修正系数为αc =0.6 ,底层中柱侧移刚度修正系数为αc =0.7 。该框架底层 A 柱的柱上、下端弯矩最接近下列哪组数据( )。(已知:底层边柱修正后的反弯点高度比 y=0.65 )A.
20.90kN.m，10.90kN.m
B.
10.90kN.m，20.25kN.m
C.
0.90kN.m，0.25kN.m
D.
9kN.m，25kN.m
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举一反三
【单选题】The reason why many production processes were taken by the marketplace was that ______.
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】Paragraph 3 __________ 查看材料
A.
Reason why not many scientists carry out this research nowdays
B.
Report about washoe's progress in learning sign language
C.
General information about washoe
D.
The Gardeners' contributions recognized
E.
Debate on chimps' intelligence
F.
Washoe's love for three young chimps
【简答题】信托公司的概念和职能是什么
【单选题】加入非竞争性拮抗药后，可使相应受体激动药的量-效曲线
A.
最大效应不变
B.
最大效应降低
C.
最大效应升高
D.
增加激动药的剂量，可以使量-效曲线最大效应恢复到原来水平
E.
减小激动药的剂量，可以使量-效曲线最大效应恢复到原来水平
【单选题】Paragraph 4 __________ 查看材料
A.
Reason why not many scientists carry out this research nowdays
B.
Report about washoe's progress in learning sign language
C.
General information about washoe
D.
The Gardeners' contributions recognized
E.
Debate on chimps' intelligence
F.
Washoe's love for three young chimps
【简答题】母公司与子公司的概念和法律地位是什么？
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