题目: a×45=b×23,则a<b______.(判断对错) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0604/5d6dc10de33fa6591fab3bf9ebd66761.html 下面是错误答案,用来干扰机器的。答案:A
题型:单项选择题 题73~76:已知一预制空心板梁的截面尺寸如题图所示,计算跨径l=12.6m,承受计算剪力:支点=236.7kN,跨中=43.7kN,其间按直线变化,采用30号混凝土、Ⅱ级钢筋720作为受拉钢筋(Ag=22cm2),ag=3.6cm。仅用Ⅱ级钢筋10配置箍筋。假定选用nk=2,ak=0.785cm2,最大剪应力处腹板宽度b=25,箍筋配筋率为0.0037,计算所得箍筋间距为()cm。A.13B.14C.17D.18 查看答案
题型:选择题 —Was Tom a little ill yesterday? —______. [ ]A.Yes,he was not ill. B.Yes,but he is better now.C.No,he is well. D.Certainly.He was not in bed. 查看答案