题目内容

当测量某混凝土屋架的弦杆的内力时，测点布置如图所示，当测点为应变片时，可以通过量测应变数值，而知道杆件所受的轴力。此时杆件若处于弹塑性阶段，那么在计算截面的应力时所用的模量应取()。

A. 事先设计的混凝土强度等级、查规范给定的弹性模量
B. 按实测的混凝土强度等级、按规范给定的公式计算弹性模量
C. 按棱柱体实测的弹性模量
D. 按棱柱体实测的变形模量

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当测量某混凝土屋架的弦杆的内力时，测点布置如图所示，当测点为应变片时，可以通过量测应变数值，而知道杆件所受的轴力。此时杆件若处于弹塑性阶段，那么在计算截面的应力时所用的模量应取()。

A. 事先设计的混凝土强度等级、查规范给定的弹性模量 B. 按实测的混凝土强度等级、按规范给定的公式计算弹性模量 C. 按棱柱体实测的弹性模量 D. 按棱柱体实测的变形模量

听力原文：M: Should I buy this new exercise record for Catherine for her birthday？W: She already has the cassette.Q: What does the woman mean？(5)

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自动传真、手机短信适用于传递行文较长的信息资料。 ()

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Q: What does the woman mean？
(5)