{
  "id": "J018",
  "type": "判断题",
  "type_code": "judge",
  "stem": "滚雪球抽样适用于特征稀少的群体的调查。",
  "stem_text": "滚雪球抽样适用于特征稀少的群体的调查。",
  "options": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "answer_keys": [
    "A"
  ],
  "answer_display": "A",
  "answer_texts": [
    "对"
  ],
  "sources": [
    {
      "edition": "第13届",
      "edition_num": 13,
      "no": 81,
      "uid": "13-081",
      "file": "第13届市调大赛本科组模拟题.docx"
    }
  ],
  "source_display": "第13届 第81题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/J018.html"
}