{"ok":true,"question":{"id":21156,"question_uuid":"98cdd72e-3a01-4495-b94a-f677ac4b8602","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案40.pdf","source_page_start":3,"source_page_end":3,"source_bbox":"[31.3, 362.23, 248.19, 470.61]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"fill_blank","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"如图，AC ⊥ BC,CD ⊥ AB，下列结论中， 正确的结论有( ) ①线段 的长度是点到AB 的距离\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"\\\\frac{CD}{AC}\"}, {\"text\": \"C ②线段 是点到BC 的距离 A ③在线段,, 中，线段 最短\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"\\\\frac{ACBCCD}{.1} \\\\frac{CD}{.3}\"}, {\"text\": \"A .0个 个.2个 个 B C D\", \"type\": \"text\"}, {\"kind\": \"embedded_image\", \"type\": \"figure\", \"width\": 679, \"height\": 425, \"sha256\": \"7f11fca8d0ca6a81219b7ba56d5445f54d14516eb71d5dc42544d65bf71d1b4d\", \"caption\": \"\", \"asset_key\": \"math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png\", \"public_url\": \"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png\", \"source_bbox\": [30.0, 484.0569763183594, 164.64999389648438, 557.8399658203125], \"source_page\": 3}, {\"type\": \"solution\", \"blocks\": [{\"text\": \"①线段CD的长度是点到AB的距离， C 故①正确； ②线段AC的长度是点到BC的距离， A 故②中说法是错误的； ③连接直线外一点与直线上各点的所有 线段中，垂线段最短，即在线段AC, BC,CD中， 线段CD最短，故③正确； C 故选：．\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [31.3, 362.23, 248.19, 470.61], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案40.pdf\", \"regions\": [{\"bbox\": [31.3, 362.23, 248.19, 470.61], \"page\": 3}], \"section\": \"example\", \"page_end\": 3, \"page_start\": 3, \"section_label\": \"跟我学 关键母题，常考题型各个击破！\", \"answer_regions\": [{\"bbox\": [31.303211212158203, 603.7843627929688, 280.1326599121094, 748.2413940429688], \"page\": 3}]}, \"version\": 1, \"grade_level\": \"SENIOR\", \"number_label\": \"1\", \"subject_code\": \"math\", \"question_type\": \"fill_blank\", \"content_sha256\": \"357bffa0aa4ba6ef4038e3b030f3292ad664c32dc14412db73af7291da3961e3\"}","body_html":"
如图，AC ⊥ BC,CD ⊥ AB，下列结论中， 正确的结论有( ) ①线段 的长度是点到AB 的距离\\(\\frac{CD}{AC}\\)C ②线段 是点到BC 的距离 A ③在线段,, 中，线段 最短\\(\\frac{ACBCCD}{.1} \\frac{CD}{.3}\\)A .0个 个.2个 个 B C D\"\"
","answer_html":"","ways_html":"①线段CD的长度是点到AB的距离， C 故①正确； ②线段AC的长度是点到BC的距离， A 故②中说法是错误的； ③连接直线外一点与直线上各点的所有 线段中，垂线段最短，即在线段AC, BC,CD中， 线段CD最短，故③正确； C 故选：．","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":null,"error_message":"处理异常: LLM call failed after retries: HTTPConnectionPool(host='127.0.0.1', port=8091): Read timed out. (read timeout=120) [endpoints: http://127.0.0.1:8092/v1 -> http://127.0.0.1:8091/v1]","published_question_id":null,"content_sha256":"357bffa0aa4ba6ef4038e3b030f3292ad664c32dc14412db73af7291da3961e3","created_at":"2026-09-24T23:18:52","updated_at":"2026-09-24T23:31:14","answer_missing":true,"formula_fallback":false,"_number":"1","_section":"example","_section_label":"跟我学 关键母题，常考题型各个击破！"},"assets":[{"id":4629,"asset_uuid":"ecb0ff4517b649d4b200057f1da01ef8","job_id":3,"import_question_id":21156,"asset_type":"embedded_image","source_file":"2026江苏七年级期末数学试卷+答案40.pdf","source_page":3,"source_bbox":"[30.0, 484.06, 164.65, 557.84]","sha256":"7f11fca8d0ca6a81219b7ba56d5445f54d14516eb71d5dc42544d65bf71d1b4d","local_path":"/www/wwwroot/tikupdfpng.mtwlkj.net_5129/qbank/math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png","asset_key":"math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png","public_url":"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png","width":679,"height":425,"qa_status":"PENDING","created_at":"2026-09-24T23:23:17","safe_public_url":"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/2b06312b-7e3f-494e-ae3e-21d10207fcf7/98cdd72e-3a01-4495-b94a-f677ac4b8602/7f11fca8d0ca.png"}],"knowledge":[],"audits":[{"id":416836,"import_question_id":21156,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"如图，AC ⊥ BC,CD ⊥ AB，下列结论中， 正确的结论有( ) ①线段 的长度是点到AB 的距离 \\frac{CD}{AC} C ②线段 是点到BC 的距离 A ③在线段,, 中，线段 最短 \\frac{ACBCCD}{.1} \\frac{CD}{.3} A .0个 个.2个 个 B C D [图]","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-24T23:27:14"},{"id":416837,"import_question_id":21156,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"\\frac{CD}{AC}; \\frac{ACBCCD}{.1} \\frac{CD}{.3}","result_json":"{\"risky\": 2, \"issues\": [], \"checked\": 2, \"invalid\": 0, \"visual_check\": \"delegated_to_question_vision\", \"invalid_details\": [], \"visually_verified\": 0}","created_at":"2026-09-24T23:27:14"},{"id":416838,"import_question_id":21156,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"如图，AC ⊥ BC,CD ⊥ AB，下列结论中， 正确的结论有( ) ①线段 的长度是点到AB 的距离 \\frac{CD}{AC} C ②线段 是点到BC 的距离 A ③在线段,, 中，线段 最短 \\frac{ACBCCD}{.1} \\frac{CD}{.3} A .0个 个.2个 个 B C D [图]","result_json":"{\"picks\": [], \"tree_code\": \"KT_SENIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-24T23:27:14"},{"id":416870,"import_question_id":21156,"audit_type":"VISION","auditor_name":"vision-auditor","status":"PASS","score":0.95,"input_snapshot":"题干：\n如图，AC ⊥ BC,CD ⊥ AB，下列结论中， 正确的结论有( ) ①线段 的长度是点到AB 的距离\\(\\frac{CD}{AC}\\)C ②线段 是点到BC 的距离 A ③在线段,, 中，线段 最短\\(\\frac{ACBCCD}{.1} \\frac{CD}{.3}\\)A .0个 个.2个 个 B C D\n答案：\n\n解析：\n①线段CD的长度是点到AB的距离， C 故①正确； ②线段AC的长度是点到BC的距离， A 故②中说法是错误的； ③连接直线外一点与直线上各点的所有 线段中，垂线段最短，即在线段AC, BC,CD中， 线段CD最短，故③正确； C 故选：．","result_json":"{\"ok\": true, \"hard\": false, \"issues\": [], \"confidence\": 0.95, \"suggestions\": [\"题干中的结论①、②、③表述可以更清晰，例如明确‘点到直线的距离’是指垂线段的长度，避免歧义。\"]}","created_at":"2026-09-24T23:28:24"}]}