１９９５年７月１５日早７点，甘肃永登县某地发生一次６．２级地震，许多砖木及土坯墙结构农房遭到严重的破坏。房屋震害情况如下：１．农村房屋大多数是土坯墙及砖木结构的小平房。其结构简单，平面规整，传力简捷，但基本自振周期短，地震反应大。水平地震作用时，建筑物以? At 7 o’clock on the morning of July 15, 1995, a 6.2-magnitude earthquake occurred in a certain place in Yongdeng County, Gansu Province, and many brick and adobe wall-structure farm houses were severely damaged. The damage situation of the house is as follows: 1. Most rural houses are small houses with adobe walls and brick and wood structures. The structure is simple, the plane is regular and the force transmission is simple, but the basic self-vibration cycle is short and the seismic response is large. When a horizontal earthquake acts, what is the building?