{
  "id": "S052",
  "type": "单选题",
  "type_code": "single",
  "stem": "已知某商品供应量y（件）和商品价格x（元）的一元线性回归方程为ŷ=63+152x，该方程表明商品价格每提高1元时，供应量平均（ ）。",
  "stem_text": "已知某商品供应量y（件）和商品价格x（元）的一元线性回归方程为ŷ=63+152x，该方程表明商品价格每提高1元时，供应量平均（ ）。",
  "options": [
    {
      "key": "A",
      "text": "增加152件"
    },
    {
      "key": "B",
      "text": "减小152件"
    },
    {
      "key": "C",
      "text": "增加63件"
    },
    {
      "key": "D",
      "text": "减小63件"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "增加152件"
    },
    {
      "key": "B",
      "text": "减小152件"
    },
    {
      "key": "C",
      "text": "增加63件"
    },
    {
      "key": "D",
      "text": "减小63件"
    }
  ],
  "answer_keys": [
    "A"
  ],
  "answer_display": "A",
  "answer_texts": [
    "增加152件"
  ],
  "sources": [
    {
      "edition": "第12届",
      "edition_num": 12,
      "no": 52,
      "uid": "12-052",
      "file": "第12届本科模拟题（10.19）.xlsx"
    }
  ],
  "source_display": "第12届 第52题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S052.html"
}