var json2 =({
  "?xml": {
    "@version": "1.0",
    "@encoding": "UTF-8"
  },
  "text": {
    "heading1": {
      "@fieldnumber": "0",
      "#text": "目的"
    },
    "objective": {
      "@fieldnumber": "1",
      "#text": "学习了解血液是由红细胞，白细胞，血小板和血浆组成。"
    },
    "heading2": {
      "@fieldnumber": "2",
      "#text": "总结"
    },
    "summary": {
      "@fieldnumber": "3",
      "#cdata-section": "&#187;  物质在血液循环中被输送至全身。\n<br>&#187;  心脏在这个系统的中心，像泵一样向全身压送血液。\n<br>&#187; 血液有四种不同组成部分：血浆，红细胞，白细胞，血小板。"
    }
  }
});
