{"ok":true,"question":{"id":181537,"question_uuid":"7d76a0f6-5f2f-4ab9-9e27-a5e7559f9d18","job_id":10,"source_file":"冀教版/八下/薛豪Q_18952688822_300.pdf","source_page_start":3,"source_page_end":3,"source_bbox":"[30.0, 254.58, 227.21, 370.15]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"single_choice","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"下列函数中，是一次函数的是(     )\", \"type\": \"text\"}, {\"type\": \"option\", \"label\": \"A\", \"blocks\": [{\"text\": \"y =\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"1 _{x}\"}, {\"text\": \"+ 1\", \"type\": \"text\"}], \"source_bbox\": [30.0, 289.93, 74.68, 306.31], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"B\", \"blocks\": [{\"text\": \"y =\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"x^{2}\"}, {\"text\": \"- 1\", \"type\": \"text\"}], \"source_bbox\": [30.0, 313.5, 120.38, 329.95], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"C\", \"blocks\": [{\"text\": \"y = 2x\", \"type\": \"text\"}], \"source_bbox\": [30.0, 332.58, 100.1, 345.55], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"D\", \"blocks\": [{\"text\": \"y = √x + 2\", \"type\": \"text\"}], \"source_bbox\": [30.0, 356.34, 122.3, 370.15], \"source_page\": 3}], \"source\": {\"bbox\": [30.0, 254.58, 227.21, 370.15], \"file\": \"冀教版/八下/薛豪Q_18952688822_300.pdf\", \"regions\": [{\"bbox\": [30.0, 254.58, 227.21, 370.15], \"page\": 3}], \"section\": \"match\", \"page_end\": 3, \"page_start\": 3, \"section_label\": \"智适化匹配练习   ★ 交互式系统学习\", \"answer_regions\": [], \"answer_original\": \"\", \"solution_original\": \"\"}, \"version\": 1, \"grade_level\": \"JUNIOR\", \"number_label\": \"1\", \"subject_code\": \"math\", \"question_type\": \"single_choice\", \"content_sha256\": \"3a1cb2b00005f2b3a87447387dc3685b0d623b1fa33376eb3ea9f3e11a981fea\"}","body_html":"<div>下列函数中，是一次函数的是( )<br>A. y =\\(1 _{x}\\)+ 1<br>B. y =\\(x^{2}\\)- 1<br>C. y = 2x<br>D. y = √x + 2</div>","answer_html":"","ways_html":"","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":0.775,"error_message":"QA failed: VISION,ANSWER","published_question_id":null,"content_sha256":"3a1cb2b00005f2b3a87447387dc3685b0d623b1fa33376eb3ea9f3e11a981fea","created_at":"2026-11-10T07:20:37","updated_at":"2026-11-10T07:50:25","answer_missing":true,"formula_fallback":false,"_number":"1","_section":"match","_section_label":"智适化匹配练习   ★ 交互式系统学习"},"assets":[],"knowledge":[],"audits":[{"id":9391868,"import_question_id":181537,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"下列函数中，是一次函数的是( ) A. y = 1 _{x} + 1 B. y = x^{2} - 1 C. y = 2x D. y = √x + 2","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-11-10T07:48:12"},{"id":9391869,"import_question_id":181537,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"1 _{x}; 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