题目内容

Introduce the framework of objectives in the new English Curriculum Standards.

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What do you think of the characteristics of our new English Curriculum?

What are the requirement of offering English in the primary school?

混凝土各种强度指标之间的关系是( )。

A. fck>fcu,k>ftk;
B. ftk>fcu,k>fck;
C. fcu,k>ftk>fck;
D. fcu,k>fck>ftk。

对于对称配筋的钢筋混凝土受压柱,大小偏心受压构件的判断条件是( )。

A. ηei<0.3h0时,为大偏心受压构件;
B. ξ>ξb时,为大偏心受压构件;
C. ξ≤ξb时,为大偏心受压构件;
D. ηei>0.3h0时,为大偏心受压构件。