var json1=({
  "LO": {
    "VOText": {
      "VO": [
        {
          "@id": "s1_sound1",
          "@mp3ref": "p04lfp17a.mp3",
          "#text": "紫外线的波长恰好位于可见光谱的蓝色区域外。"
        },
        {
          "@id": "s1_sound2",
          "@mp3ref": "p04lfp17b.mp3",
          "#text": "虽然阳光中有大量的紫外线，但你的眼睛无法看到。 "
        },
        {
          "@id": "s1_sound3",
          "@mp3ref": "p04lfp17c.mp3",
          "#text": "这种射线会令你的皮肤被晒黑，并且刺激体内产生部分维生素D。"
        },
        {
          "@id": "s1_sound4",
          "@mp3ref": "p04lfp17d.mp3",
          "#text": "紫外线也被用于太阳灯浴床。但照射太多会损害眼睛，甚至造成失明；也会损伤皮肤，造成晒伤。"
        },
        {
          "@id": "s1_sound5",
          "@mp3ref": "p04lfp17e.mp3",
          "#text": "过量的紫外线会透过皮肤表层，灼伤细胞。 "
        },
        {
          "@id": "s1_sound6",
          "@mp3ref": "p04lfp17f.mp3",
          "#text": "有些受损细胞可能会癌变。深色皮肤黑色素更多，吸收紫外线的能力比浅色皮肤强。 "
        },
        {
          "@id": "s1_sound7",
          "@mp3ref": "p04lfp17g.mp3",
          "#text": "这样，进入身体深层组织的辐射也就更少，从而降低了这些细胞癌变的风险。"
        },
        {
          "@id": "s2_sound1",
          "@mp3ref": "p04lfp18a.mp3",
          "#text": "有些化学物质在受到紫外线照射时会放射出荧光。它们吸收紫外线并发出可见光。 "
        },
        {
          "@id": "s2_sound2",
          "@mp3ref": "p04lfp18b.mp3",
          "#text": "点击图像来看看这个现象是如何产生的。 "
        }
      ]
    },
    "Labels": {
      "Label": [
        {
          "@id": "slide1_s1_lab1",
          "#text": "紫外线"
        },
        {
          "@id": "slide1_s1_lab2",
          "#text": "波长"
        },
        {
          "@id": "slide1_s1_lab3",
          "#text": "短波"
        },
        {
          "@id": "slide1_s1_lab4",
          "#text": "特高频"
        },
        {
          "@id": "slide1_s1_lab5",
          "#text": "超高频"
        },
        {
          "@id": "slide1_s1_lab6",
          "#text": "微波"
        },
        {
          "@id": "slide1_s1_lab7",
          "#text": "红外线"
        },
        {
          "@id": "slide1_s1_lab8",
          "#text": "紫外线"
        },
        {
          "@id": "slide1_s1_lab9",
          "#text": "X光"
        },
        {
          "@id": "slide1_s1_lab10",
          "#text": "伽马射线"
        },
        {
          "@id": "slide1_s1_lab11",
          "#text": "长"
        },
        {
          "@id": "slide1_s1_lab12",
          "#text": "1000m"
        },
        {
          "@id": "slide1_s1_lab13",
          "#text": "1m"
        },
        {
          "@id": "slide1_s1_lab14",
          "#text": "1mm"
        },
        {
          "@id": "slide1_s1_lab15",
          "#text": "0.001mm"
        },
        {
          "@id": "slide1_s1_lab16",
          "#text": "波長"
        },
        {
          "@id": "slide1_s1_lab17",
          "#text": "0.000001mm"
        },
        {
          "@id": "slide1_s1_lab27",
          "#text": "至"
        },
        {
          "@id": "slide1_oktext",
          "#text": "OK"
        },
        {
          "@id": "slide1_instruct",
          "#text": "点击我会找到更多信息！"
        },
        {
          "@id": "slide1_didtitle",
          "#text": "你知道吗？ "
        },
        {
          "@id": "slide1_didtext",
          "#text": "防晒霜涂得够厚才能保护你的皮肤免受紫外线的伤害。"
        },
        {
          "@id": "slide1_didtitleb",
          "#text": "你还知道吗？"
        },
        {
          "@id": "slide1_didtextb",
          "#text": "如果一个正在发育的孩子缺乏维生素D，就可能患一种营养缺乏病，叫佝偻病。骨骼比正常的软，而且末端肿胀。"
        },
        {
          "@id": "slide2_s2_lab1",
          "#text": "点击图像来看看这个现象是如何产生的。"
        },
        {
          "@id": "slide2_s2_lab2",
          "#text": "　　　　紫外线灯"
        },
        {
          "@id": "slide2_s2_lab3",
          "#text": "白色洗衣粉中的化学物质吸收光里的紫外线，因而发光，使得你的衣服显得异常的白。"
        },
        {
          "@id": "slide2_s2_lab4",
          "#text": "安全涂料含有荧光物质，只有在紫外线的照射下才能被看见。"
        }
      ]
    }
  }
});
