[
  {
    "id":"Mercury_SC_409024",
    "question":"动物通过食用植物获取能量。植物通过吸收动物释放的物质生存。动物释放的物质中，哪些是植物吸收的？",
    "choices":[
      "二氧化碳",
      "氧",
      "盐",
      "糖"
    ],
    "answerKey":"A"
  },
  {
    "id":"Mercury_LBS10817",
    "question":"当一颗恒星爆炸时，会形成一个非常明亮的物体。这个物体叫什么名字？",
    "choices":[
      "新星",
      "红巨星",
      "超新星",
      "白矮星"
    ],
    "answerKey":"C"
  },
  {
    "id":"OHAT_2011_5_37",
    "question":"班级把花盆放在窗边，这样植物就能得到更多的阳光。番茄植株是如何利用阳光的呢？",
    "choices":[
      "在叶子中制造糖分",
      "使用茎中的淀粉",
      "将水移到花上",
      "通过根部获取营养"
    ],
    "answerKey":"A"
  },
  {
    "id":"Mercury_SC_409574",
    "question":"特雷弗打开了一盏灯。当灯亮时，电能会转换成哪种形式的能量？",
    "choices":[
      "化学",
      "光",
      "机械的",
      "潜在的"
    ],
    "answerKey":"B"
  },
  {
    "id":"NYSEDREGENTS_2013_4_29",
    "question":"停电时家里哪些物品最有用？",
    "choices":[
      "手电筒和备用电池",
      "帽子和防晒霜",
      "雨衣和雨伞",
      "杀虫剂和夹克"
    ],
    "answerKey":"A"
  },
  {
    "id":"Mercury_SC_400987",
    "question":"回收报纸对环境有益，因为它",
    "choices":[
      "增加了对树木的需求。",
      "有助于节约资源。",
      "增加了对垃圾填埋场的需求。",
      "有助于去除空气中的污染物。"
    ],
    "answerKey":"B"
  },
  {
    "id":"Mercury_SC_402031",
    "question":"以下哪种工具最适合记录户外观察结果？",
    "choices":[
      "一把尺子",
      "图表",
      "一本笔记本",
      "计算器"
    ],
    "answerKey":"C"
  },
  {
    "id":"AKDE&ED_2008_8_51",
    "question":"循环系统和呼吸系统如何相互依赖？",
    "choices":[
      "呼吸系统收集的氧气通过循环系统输送到全身。",
      "循环系统收集的固体废物由呼吸系统输送到全身。",
      "呼吸系统收集的营养物质通过循环系统输送到全身。",
      "循环系统收集的二氧化碳通过呼吸系统输送到全身。"
    ],
    "answerKey":"A"
  },
  {
    "id":"NYSEDREGENTS_2008_4_21",
    "question":"树叶在秋天会变色。这是一棵树的例子",
    "choices":[
      "完成其生命周期",
      "准备迁移",
      "对环境作出反应",
      "开始冬眠"
    ],
    "answerKey":"C"
  },
  {
    "id":"Mercury_SC_416097",
    "question":"哪个植物部分的描述是正确的？",
    "choices":[
      "茎产生种子。",
      "根吸收养分。",
      "叶子吸收水分。",
      "鲜花可以做食物。"
    ],
    "answerKey":"B"
  }
]