[
  {
    "id": "demo-q-001",
    "type": "行测",
    "module": "数量关系",
    "subModule": "行程问题",
    "difficulty": "中等",
    "stem": "甲、乙两车分别从 A、B 两地同时出发相向而行，甲车速度为 60km/h，乙车速度为 40km/h，两车相遇后甲车又行驶 2 小时到达 B 地，问 A、B 两地相距多少千米？",
    "options": [
      {
        "key": "A",
        "text": "240 千米"
      },
      {
        "key": "B",
        "text": "260 千米"
      },
      {
        "key": "C",
        "text": "280 千米"
      },
      {
        "key": "D",
        "text": "300 千米"
      }
    ],
    "answer": "C",
    "analysis": "相遇后甲车行驶 60×2=120 千米，此路程等于乙车相遇前行驶的路程。由速度比可得相遇时间为 3 小时，两地距离为 100×3=300 千米。",
    "tags": [
      "相遇问题"
    ],
    "source": "内置演示题库",
    "createdAt": "2026-08-27T00:00:00+08:00"
  },
  {
    "id": "demo-q-002",
    "type": "行测",
    "module": "言语理解",
    "subModule": "逻辑填空",
    "difficulty": "简单",
    "stem": "在公共治理中，既要善于运用法治思维，也要避免治理方式过于____，让政策执行更有温度。",
    "options": [
      {
        "key": "A",
        "text": "机械"
      },
      {
        "key": "B",
        "text": "灵活"
      },
      {
        "key": "C",
        "text": "主动"
      },
      {
        "key": "D",
        "text": "积极"
      }
    ],
    "answer": "A",
    "analysis": "根据“避免”与“更有温度”的语境，应选择表示僵化、不知变通的“机械”。",
    "tags": [
      "语境分析"
    ],
    "source": "内置演示题库",
    "createdAt": "2026-08-27T00:00:00+08:00"
  },
  {
    "id": "demo-q-003",
    "type": "行测",
    "module": "判断推理",
    "subModule": "图形推理",
    "difficulty": "中等",
    "stem": "下列图形规律题中，若每次顺时针旋转 90°，第三个图形应如何变化？",
    "options": [
      {
        "key": "A",
        "text": "保持不变"
      },
      {
        "key": "B",
        "text": "顺时针旋转 90°"
      },
      {
        "key": "C",
        "text": "逆时针旋转 90°"
      },
      {
        "key": "D",
        "text": "翻转"
      }
    ],
    "answer": "B",
    "analysis": "观察相邻图形可知，每一步均按顺时针方向旋转 90°。",
    "tags": [
      "位置变化"
    ],
    "source": "内置演示题库",
    "createdAt": "2026-08-27T00:00:00+08:00"
  }
]