var json2 =({
  "?xml": {
    "@version": "1.0",
    "@encoding": "UTF-8"
  },
  "text": {
    "heading1": {
      "@fieldnumber": "0",
      "#text": "目的"
    },
    "objective": {
      "@fieldnumber": "1",
      "#text": "了解三维几何体，如圆柱，圆锥，棱柱，棱锥的命名和画法。"
    },
    "heading2": {
      "@fieldnumber": "2",
      "#text": "总结"
    },
    "summary": {
      "@fieldnumber": "3",
      "#cdata-section": "&#187;  几何体是三维几何图形。\n<br>&#187;  平面几何体的每一个面都是平面。\n<br>&#187;  两个面相交得一条棱。\n<br>&#187;  三个或多条棱交于一个顶点。\n<br>&#187;  几何体包括立方体，长方体，棱柱，三棱锥，圆柱体，圆锥，和四面体。"
    }
  }
});
