{"ok":true,"question":{"id":21128,"question_uuid":"60090144-ae6a-42b6-adf1-ecbbb209b74b","job_id":4,"source_file":"A中考/2026江苏中考期末数学试卷+答案835.pdf","source_page_start":4,"source_page_end":4,"source_bbox":"[45.0, 111.39, 535.72, 185.68]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"comprehensive","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"如图,AB是⊙O的直径, C是半圆上任意一点, 连接BC并延长到点D, 使得CD = CB, 连接AD, 点E是弧AC的中点.\", \"type\": \"text\"}, {\"kind\": \"embedded_image\", \"type\": \"figure\", \"width\": 708, \"height\": 809, \"sha256\": \"93c323298c674bcb50edddd1ee6d83ba1dac803c573a7628eb3cf0feb5522c19\", \"caption\": \"\", \"asset_key\": \"math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png\", \"public_url\": \"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png\", \"source_bbox\": [45.0, 186.44000244140625, 186.6999969482422, 367.8200073242187], \"source_page\": 4}, {\"type\": \"subquestion\", \"index\": 1, \"blocks\": [{\"text\": \"证明:△ABC ≅△ADC.\", \"type\": \"text\"}]}, {\"type\": \"subquestion\", \"index\": 2, \"blocks\": [{\"text\": \"①当∠E = _____°时,△ABC是直角三角形; ②当∠D = _____°时, 四边形OAEC是菱形．\", \"type\": \"text\"}]}, {\"type\": \"answer\", \"blocks\": [{\"text\": \"(1) 证明见上；(2) ① 45°；② 30°\", \"type\": \"text\"}]}, {\"type\": \"solution\", \"blocks\": [{\"text\": \"见‘简短依据’部分\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [45.0, 111.39, 535.72, 185.68], \"file\": \"A中考/2026江苏中考期末数学试卷+答案835.pdf\", \"regions\": [{\"bbox\": [45.0, 111.39, 535.72, 185.68], \"page\": 4}], \"section\": \"generic\", \"page_end\": 4, \"page_start\": 4, \"section_label\": \"\", \"answer_regions\": [], \"answer_original\": \"\", \"solution_original\": \"\"}, \"version\": 1, \"grade_level\": \"SENIOR\", \"number_label\": \"9\", \"subject_code\": \"math\", \"question_type\": \"comprehensive\", \"content_sha256\": \"47f3dd30bdda43db79fc898d04d66b7434bacf51c72de2d072eaf40236a57ccb\"}","body_html":"<div>如图,AB是⊙O的直径, C是半圆上任意一点, 连接BC并延长到点D, 使得CD = CB, 连接AD, 点E是弧AC的中点.<img class=\"question-figure\" src=\"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png\" style=\"width:188.9px!important;max-width:100%;height:auto\" alt=\"\" title=\"点击查看原图\"><br>（1）证明:△ABC ≅△ADC.<br>（2）①当∠E = _____°时,△ABC是直角三角形; ②当∠D = _____°时, 四边形OAEC是菱形．</div>","answer_html":"(1) 证明见上；(2) ① 45°；② 30°","ways_html":"见‘简短依据’部分","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":0.913,"error_message":"QA failed: ANSWER","published_question_id":null,"content_sha256":"47f3dd30bdda43db79fc898d04d66b7434bacf51c72de2d072eaf40236a57ccb","created_at":"2026-09-24T22:59:49","updated_at":"2026-09-24T23:22:18","answer_missing":false,"formula_fallback":false,"_number":"9","_section":"generic","_section_label":""},"assets":[{"id":4619,"asset_uuid":"bd80660922a3426c9e515ade8a8ddd14","job_id":4,"import_question_id":21128,"asset_type":"embedded_image","source_file":"2026江苏中考期末数学试卷+答案835.pdf","source_page":4,"source_bbox":"[45.0, 186.44, 186.7, 367.82]","sha256":"93c323298c674bcb50edddd1ee6d83ba1dac803c573a7628eb3cf0feb5522c19","local_path":"/www/wwwroot/tikupdfpng.mtwlkj.net_5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png","asset_key":"math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png","public_url":"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png","width":708,"height":809,"qa_status":"PENDING","created_at":"2026-09-24T23:08:57","safe_public_url":"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/60090144-ae6a-42b6-adf1-ecbbb209b74b/93c323298c67.png"}],"knowledge":[],"audits":[{"id":416081,"import_question_id":21128,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"如图,AB是⊙O的直径, C是半圆上任意一点, 连接BC并延长到点D, 使得CD = CB, 连接AD, 点E是弧AC的中点. [图] (1) 证明:△ABC ≅△ADC. (2) ①当∠E = _____°时,△ABC是直角三角形; ②当∠D = _____°时, 四边形OAEC是菱形．","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-24T23:10:14"},{"id":416082,"import_question_id":21128,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"","result_json":"{\"note\": \"无公式块\", \"checked\": 0}","created_at":"2026-09-24T23:10:14"},{"id":416083,"import_question_id":21128,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"如图,AB是⊙O的直径, C是半圆上任意一点, 连接BC并延长到点D, 使得CD = CB, 连接AD, 点E是弧AC的中点. [图] (1) 证明:△ABC ≅△ADC. 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