var json1=({
  "LO": {
    "VOText": {
      "VO": [
        {
          "@id": "s1_sound1",
          "@mp3ref": "p04lfp20a.mp3",
          "#text": "X射线是一种频率很高，波长很短的电磁波，它能在大多数固体物质中传播，其中包括肌肉。在传播过程中，它们的能量很少被吸收。 "
        },
        {
          "@id": "s1_sound2",
          "@mp3ref": "p04lfp20b.mp3",
          "#text": "波长短的X射线极具穿透力。它们甚至能在密度大的金属中传播，比如铅。 "
        },
        {
          "@id": "s1_sound3",
          "@mp3ref": "p04lfp20c.mp3",
          "#text": "波长长的x射线穿透力较弱，它们可以穿过肌肉但不能穿过骨骼。 "
        },
        {
          "@id": "s1_sound4",
          "@mp3ref": "p04lfp20d.mp3",
          "#text": "当x射线打在胶片上，胶片上的化学物质将发生改变。在x光照过的地方，冲洗出的胶片会发暗。"
        },
        {
          "@id": "s1_sound5",
          "@mp3ref": "p04lfp20e.mp3",
          "#text": "摄影胶片被用来拍摄人体x光片。所以骨骼会出现在x光片中。"
        },
        {
          "@id": "s1_sound6",
          "@mp3ref": "p04lfp20f.mp3",
          "#text": "x光是一种电离辐射，它所经过的地方，物质的原子会发生改变。 "
        },
        {
          "@id": "s1_sound7",
          "@mp3ref": "p04lfp20g.mp3",
          "#text": "过度暴露在x射线下会杀死人体细胞。少量辐射也会致癌。 "
        },
        {
          "@id": "s1_sound8",
          "@mp3ref": "p04lfp20h.mp3",
          "#text": "所有的x射线都是危险的，因为它们会损害人体内部的活细胞。 "
        },
        {
          "@id": "s1_sound9",
          "@mp3ref": "p04lfp20i.mp3",
          "#text": "医院会保证你不会被照射到过量的x光，而且也会采取措施保护那些在工作中经常接触x光的医生和其他工作人员。"
        },
        {
          "@id": "s1_sound10",
          "@mp3ref": "p04lfp20j.mp3",
          "#text": "x光也被用来检测金属物体的断裂和其它问题。"
        }
      ]
    },
    "Labels": {
      "Label": [
        {
          "@id": "slide1_s1_lab1",
          "#text": "X光"
        },
        {
          "@id": "slide1_s1_lab2",
          "#text": "波长"
        },
        {
          "@id": "slide1_s1_lab3",
          "#text": "短波"
        },
        {
          "@id": "slide1_s1_lab4",
          "#text": "高频"
        },
        {
          "@id": "slide1_s1_lab5",
          "#text": "超高频"
        },
        {
          "@id": "slide1_s1_lab6",
          "#text": "微波"
        },
        {
          "@id": "slide1_s1_lab7",
          "#text": "红外线的"
        },
        {
          "@id": "slide1_s1_lab8",
          "#text": "紫外线"
        },
        {
          "@id": "slide1_s1_lab9",
          "#text": "X光"
        },
        {
          "@id": "slide1_s1_lab10",
          "#text": "1m"
        },
        {
          "@id": "slide1_s1_lab11",
          "#text": "1mm"
        },
        {
          "@id": "slide1_s1_lab12",
          "#text": "0.001mm"
        },
        {
          "@id": "slide1_s1_lab13",
          "#text": "波长"
        },
        {
          "@id": "slide1_s1_lab14",
          "#text": "0.000001mm"
        },
        {
          "@id": "slide1_s1_lab15",
          "#text": "短波x光"
        },
        {
          "@id": "slide1_s1_lab16",
          "#text": "长波x光  "
        },
        {
          "@id": "slide1_s1_lab17",
          "#text": "摄影胶片  "
        },
        {
          "@id": "slide1_s1_lab18",
          "#text": "电离辐射 "
        },
        {
          "@id": "slide1_s1_lab18a",
          "#text": "x光是很危险的，因为它们会损伤体内的活细胞。 "
        },
        {
          "@id": "slide1_s1_lab19",
          "#text": "探测器 "
        },
        {
          "@id": "slide1_s1_lab20",
          "#text": "金属中的裂缝和瑕疵 "
        },
        {
          "@id": "slide1_s1_lab21",
          "#text": "反射信号 "
        },
        {
          "@id": "slide1_s1_lab22",
          "#text": "瑕疵第二表面的反射 "
        },
        {
          "@id": "slide1_s1_lab23",
          "#text": "至"
        },
        {
          "@id": "slide1_oktext",
          "#text": "OK"
        },
        {
          "@id": "slide1_instruct",
          "#text": "点击我来找到更多的信息！"
        },
        {
          "@id": "slide1_didtitle",
          "#text": "你知道吗？ "
        },
        {
          "@id": "slide1_didtext",
          "#text": "CT或CAT扫描仪打出一束光，这束光透过身体集中在一个探测器上。这束光和探测器进行旋转，同时电脑逐步形成患者身体内部的剖面图。"
        }
      ]
    }
  }
});
