{
  "id": "J002",
  "type": "判断题",
  "type_code": "judge",
  "stem": "控制观察一般用于探索性或有一定深度的专题调查。",
  "stem_text": "控制观察一般用于探索性或有一定深度的专题调查。",
  "options": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "answer_keys": [
    "B"
  ],
  "answer_display": "B",
  "answer_texts": [
    "错"
  ],
  "sources": [
    {
      "edition": "第12届",
      "edition_num": 12,
      "no": 76,
      "uid": "12-076",
      "file": "第12届本科模拟题（10.19）.xlsx"
    }
  ],
  "source_display": "第12届 第76题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/J002.html"
}