sources:
  - id: cepoc
    title: CEPOC 剑桥英语机读完形填空题库（KET/PET/FCE）
    publisher: Cambridge ALTA, University of Cambridge
    type: dataset
    url: https://github.com/CambridgeALTA/cepoc
    license: cc-nc-education
    license_note: "研究/教育用途，非商业（见仓库 licence.txt）"
    fetch_method: git-clone
    status: fetched
    fetched_at: "2026-08-21"
    items:
      - id: cepoc-ket-json
        title: KET.json（6套68空）
        oss_key: edu-raw/exams/ket/questions/cepoc/KET.json
        sha256: null
        size: null
        media_type: application/json
        fetch_date: "2026-08-21"
        status: planned
        note: "latin1 编码；清洗为 qb-1.1 落 structured/exams/ket/questions/cepoc-a2-key.jsonl"
      - id: cepoc-b1-json
        title: B1 Preliminary.json（含 FCE 36套360空）
        oss_key: edu-raw/exams/pet/questions/cepoc/B1-Preliminary.json
        sha256: null
        size: null
        media_type: application/json
        fetch_date: "2026-08-21"
        status: planned
        note: "清洗为 qb-1.1 落 structured/exams/pet/questions/cepoc-b1-preliminary.jsonl"