试题与答案

下列选项中,不是无排卵型功血的特点的是(). A.基础体温双相 B.更年期和青春期妇

题型:单项选择题

题目:

下列选项中,不是无排卵型功血的特点的是().

A.基础体温双相

B.更年期和青春期妇女多见

C. * * 涂片示中、高度雌激素影响

D.FSH降低,无LH高峰

E.子宫内膜分泌不良

答案:

参考答案:A

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题型:单项选择题

某抗震设防烈度为7度的多层砌体结构住宅,底层某道承重横墙的尺寸和构造柱的布置如图17-8所示,墙体采用MU10烧结普通砖,M7.5混合砂浆砌筑,构造柱GZ截面尺寸为240mm×240mm,采用C20混凝土,纵向钢筋为HRB335级钢筋412,箍筋采用HPB300级(=270N/mm)φ6@200。砌体施工质量控制等级为B级,在该墙墙顶作用的竖向恒荷载标准值为200kN/m,活荷载标准值为70kN.m,不考虑本层墙体自重。提示:按《建筑抗震设计规范》(GB50011-2010)计算。

假设砌体抗震抗剪强度的正应力影响系数ξ=1.6,该墙体的截面抗震受剪承载力设计值(kN),与下列何项数值最为接近()?

A.585

B.625

C.695

D.775

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