高度
1.Ramps were built and extended around the pyramid and used as the road to drag up the blocks. When the pyramid was done, they took the ramps away. Susan, do you know who built the pyramid?
金字塔周围修建了一些斜坡.人们顺着坡道把巨石拖上去.随着金字塔高度的增加.斜坡也越来越长.等金字塔建好了.再把坡道拆掉.苏珊.你知道金字塔是谁建的吗?
2.When the earthquake happens , if it is available, you’d better run to the vacancy area; if not, you should keep the height lower than table or bed and stay next to them.
地震发生时，如果来得及，最好跑到外面空地；如果来不及，最好是要以比桌、床高度为低的姿势，躲在桌子床铺的旁边。
