试题与答案

抗震规范规定了有抗震设防要求的钢筋混凝土结构高层建筑柱子轴压比限值,这是为了列中何项

题型:单项选择题

题目:

抗震规范规定了有抗震设防要求的钢筋混凝土结构高层建筑柱子轴压比限值,这是为了列中何项

A.减少柱子的配筋量
B.增加柱子在地震时的安全度
C.使柱子的破坏形式和变形能力符合抗震要求
D.防止柱子在地震时的纵向屈曲

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E解析:[解题思路] 冠心病心绞痛以发作性胸痛为主要临床表现,典型部位是在胸骨体中、上段之后,其余部位均为不典型部位。[命题规律] 考查“心绞痛发作的典型部位”。必须掌握。

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