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【单选题】
从混凝土受压构件的承载力 Nu— Mu相关关系中得出的下述结论,正确A.
当 M一定时，对小偏压柱， N 小的组合控制截面设计
B.
当 M一定时，对大偏压柱， N 大的组合控制截面设计
C.
当 N一定时，无论大、小偏压柱都要取 M 尽可能大的组合控制截面设计
D.
轴压时的受压承载力最大，纯弯时的受弯承载力最大
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举一反三
【简答题】If we guarantee an annual order of a certain amount, would you give us a special discount?
【简答题】She promised her brother that she______ (write) to him.
【简答题】_____ orders _____ 500 pieces or more, we give a special discount ____ 2%.
【单选题】We give a special discount of 5% ____ orders for 1,000 pieces or more.
A.
on
B.
by
C.
at
D.
of
【单选题】The senior librarian at the circulation desk promised to get the book for me ______ she should remember who last borrowed it.
A.
ever since
B.
much as
C.
even though
D.
if only
【简答题】We give a special ________________ of 10 per cent for cash.
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