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【单选题】
题1～3：某钢筋混凝土单跨梁，其截面尺寸及配筋构造如图3-1所示．混凝十等级为C35，纵向受力钢筋采用HRB335级，箍筋及侧面纵向构造钢筋均采用HPB235级。已知：跨中截面弯矩设计值M=1400kN.m；轴向拉力设计值N=3500kN；as=a's=70mm。 试问，该梁每侧的纵向构造钢筋最小配置量，应与下列何项所示最为接近?A.
10φ12
B.
10φ14
C.
11φ14
D.
11φ16
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举一反三
【简答题】桑代克的尝试错误学习理论发现的学习规律有____、____、____。
【单选题】Which one of the following statements about complying presentation is correct? ( )
A.
When an issuing bank determines that a presentation does not comply, it may, with the agreement from the negotiating bank, approach the applicant for a waiver of the discrepancies.
B.
When an issuing bank determines that a presentation is complying, it may in its sole judgement, decide whether or not to honour.
C.
Banks may refuse to honour or negotiate discrepant documents.
D.
Notice of refusal must be given to presenter no later than close of the tenth banking day following the day of presentation.
【简答题】A written permission．which is granted by the customs authorities when a vessel with exports is able to leave the port，is called（ ）．
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