题目内容

一对称配筋的小偏心受压构件,承受的四组内力中,最不利的一组内力(配筋最多的)为:()。

A. M=525kN·m,N=2050kN;
B. M=520kN·m,N=2600kN;
C. M=524kN·m,N=2840kN;
D. M=525kN·m,N=3090kN。

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一对称配筋的大偏心受压构件,承受的四组内力中,最不利的一组内力(配筋最多的)为:()。

A. M=500kN·m,N=200kN;
B. M=491kN·m,N=304kN;
C. M=503kN·m,N=398kN;
D. M=-512kN·m,N=506kN。

It is necessary that a college student __________ a foreign language.

A. should master
B. be mastered
C. mastered
D. should mastering

He took his raincoat with him in case it __________.

A. rain
B. should rain
C. rains
D. had been rained

He is not a pilot, but he wishes he ____(be).

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