绘制金字塔和十字架,金字塔是由四个三角形侧面和一个四边形底面拼成的；而十字架是由两个长方体拼成，长方体的各面是矩形。-Draw the pyramid and the cross, the pyramid is composed of four triangular sides and a rectangular bottom paper.When　and makes up the cross is made up of two rectangular, each side is a rectangular cuboid.