<img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/29/10/2910457fb5878eaafe41a3ec5214a72f.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/01/f5/01f5fc7c972ed1c629ffb2a2bd501c61.jpg" style="width: 100%;height: auto;"> 1.试问，该墙梁跨中截面的计算高度H0与下何项数值最为接近？(　　)