var json2 =({
  "?xml": {
    "@version": "1.0",
    "@encoding": "UTF-8"
  },
  "text": {
    "heading1": {
      "@fieldnumber": "0",
      "#text": "目的"
    },
    "objective": {
      "@fieldnumber": "1",
      "#text": "学会识别和命名不同类型的三角形。"
    },
    "heading2": {
      "@fieldnumber": "2",
      "#text": "总结"
    },
    "summary": {
      "@fieldnumber": "3",
      "#cdata-section": "\n<br>&#187;  三条边都相等的三角形是等边三角形。\n<br>&#187;  只有两边相等的三角形是等腰三角形。\n<br>&#187;  三条边都不相等的三角形是不等边三角形。"
    }
  }
});
