Please prepare a 3+ minutes presentation . Subjects: your company / product / service Requirements: 1. Please use the skills of presentation to do a clear communication 2.Please upload your video of the presentaion before 23 oclock on Oct 25.(资料)
【简答题】Green Spaces in cities Where do children play? Years ago, any open field, any vacant lot, any group pf trees--these were the places where children played. As families left family farms, small towns, a...
【单选题】某钢筋混凝土挑梁如下图所示,l=1.5m,l 1 =2.8m,b=240mm,h b =300mm。挑出截面高度150mm,挑梁上墙体高度2.8m,墙厚h=240mm。墙端设有构造柱240mm×240mm,距墙边1.6m处开门洞,b h =900mm,h h =2100mm,楼板传给挑梁的荷载标准值为:梁端集中作用的恒载F k =4.5kN,作用在挑梁挑出部分和埋入墙内部分的恒载g 1k =17....
【单选题】某钢筋混凝土挑梁如下图所示,l=1.5m,l 1 =2.8m,b=240mm,h b =300mm。挑出截面高度150mm,挑梁上墙体高度2.8m,墙厚h=240mm。墙端设有构造柱240mm×240mm,距墙边1.6m处开门洞,b h =900mm,h h =2100mm,楼板传给挑梁的荷载标准值为:梁端集中作用的恒载F k =4.5kN,作用在挑梁挑出部分和埋入墙内部分的恒载g 1k =17....