{"ok":true,"question":{"id":181864,"question_uuid":"3ee2a1dd-7257-41ac-acf3-baecd3702b4a","job_id":11,"source_file":"青岛版/七上/杜辉Q_18951362233_25.pdf","source_page_start":5,"source_page_end":5,"source_bbox":"[30.0, 189.51, 368.71, 233.68]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"comprehensive","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"有一组数据依次为：−1,0, +2,0, −3,0, +4,0, −5,0, +6,0, … ．\", \"type\": \"text\"}, {\"type\": \"subquestion\", \"index\": 1, \"blocks\": [{\"text\": \"若这组数据共有100个，则共有多少个负数，多少个正数？\", \"type\": \"text\"}]}, {\"type\": \"subquestion\", \"index\": 2, \"blocks\": [{\"text\": \"第2000个数是什么？\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [30.0, 189.51, 368.71, 233.68], \"file\": \"青岛版/七上/杜辉Q_18951362233_25.pdf\", \"regions\": [{\"bbox\": [30.0, 189.51, 368.71, 233.68], \"page\": 5}], \"section\": \"match\", \"page_end\": 5, \"page_start\": 5, \"section_label\": \"智适化匹配练习   ★ 交互式系统学习\", 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