{"ok":true,"question":{"id":22009,"question_uuid":"c3a0c30c-5f52-4fd2-b8b7-068e8efe5b7a","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案635.pdf","source_page_start":1,"source_page_end":1,"source_bbox":"[30.22, 144.62, 357.18, 239.11]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"single_choice","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是(      )\", \"type\": \"text\"}, {\"type\": \"option\", \"label\": \"A\", \"blocks\": [{\"text\": \"(2, 1)\", \"type\": \"text\"}], \"source_bbox\": [47.57, 185.7, 73.31, 197.26], \"source_page\": 1}, {\"type\": \"option\", \"label\": \"B\", \"blocks\": [{\"text\": \"(1, 2)\", \"type\": \"text\"}], \"source_bbox\": [47.57, 199.99, 73.31, 211.55], \"source_page\": 1}, {\"type\": \"option\", \"label\": \"C\", \"blocks\": [{\"text\": \"(1, 4)\", \"type\": \"text\"}], \"source_bbox\": [47.57, 213.77, 73.31, 225.33], \"source_page\": 1}, {\"type\": \"option\", \"label\": \"D\", \"blocks\": [{\"text\": \"(4, 1)\", \"type\": \"text\"}], \"source_bbox\": [47.57, 227.55, 73.31, 239.11], \"source_page\": 1}, {\"type\": \"answer\", \"blocks\": [{\"text\": \"A\", \"type\": \"text\"}]}, {\"type\": \"solution\", \"blocks\": [{\"text\": \"设点\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"C\"}, {\"text\": \"坐标是$(x,y)$，∵平行四边形$ABCD$顶点$A,B,D$的坐标分别是$(-3, 5)$, $(-4, 3)$,\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"(3, 3)，∴-3 +x= -4 + 3\"}, {\"text\": \",\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"5 +y= 3 + 3\"}, {\"text\": \",∴\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"x= 2\"}, {\"text\": \"，\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"y = 1\"}, {\"text\": \", ∴点\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"C\"}, {\"text\": \"坐标是(2, 1)，故选：A．\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [30.22, 144.62, 357.18, 239.11], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案635.pdf\", \"regions\": [{\"bbox\": [30.22, 144.62, 357.18, 239.11], \"page\": 1}], \"section\": \"generic\", \"page_end\": 1, \"page_start\": 1, \"section_label\": \"\", \"answer_regions\": [{\"bbox\": [43.99800109863281, 141.9988555908203, 399.8987731933594, 194.2008514404297], \"page\": 5}], \"answer_original\": \"A\", \"solution_original\": \"设点C坐标是(x,y)， ∵ 平行四边形ABCD顶点A,B,D的坐标分别 是(−3, 5), (−4, 3), (3, 3)， ∴ −3 +x= −4 + 3, 5 +y= 3 + 3,∴ x= 2， y = 1, ∴点C坐标是(2, 1)，故选：A．\"}, \"version\": 1, \"grade_level\": \"SENIOR\", \"number_label\": \"1\", \"subject_code\": \"math\", \"question_type\": \"single_choice\", \"content_sha256\": \"05c8fffe57f01f3316b799080bbb2fb9ba5c69f13f6e406cee14d4aa5e02c77a\"}","body_html":"<div>在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是(      )<br>A. (2, 1)<br>B. (1, 2)<br>C. (1, 4)<br>D. (4, 1)</div>","answer_html":"A","ways_html":"设点\\(C\\)坐标是$(x,y)$，∵平行四边形$ABCD$顶点$A,B,D$的坐标分别是$(-3, 5)$, $(-4, 3)<span class=\"formula-fallback\">,\\((3, 3)，∴-3 +x= -4 + 3\\),\\(5 +y= 3 + 3\\),∴\\(x= 2\\)，\\(y = 1\\), ∴点\\(C\\)坐标是(2, 1)，故选：A．</span>","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":0.938,"error_message":"QA failed: COHERENCE,ANSWER","published_question_id":null,"content_sha256":"05c8fffe57f01f3316b799080bbb2fb9ba5c69f13f6e406cee14d4aa5e02c77a","created_at":"2026-09-25T05:09:06","updated_at":"2026-09-25T05:13:43","answer_missing":false,"formula_fallback":true,"_number":"1","_section":"generic","_section_label":""},"assets":[],"knowledge":[],"audits":[{"id":435872,"import_question_id":22009,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是( ) A. (2, 1) B. (1, 2) C. (1, 4) D. (4, 1)","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-25T05:09:43"},{"id":435873,"import_question_id":22009,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"C; (3, 3)，∴-3 +x= -4 + 3; 5 +y= 3 + 3; x= 2; y = 1","result_json":"{\"risky\": 0, \"issues\": [], \"checked\": 6, \"invalid\": 0, \"visual_check\": \"not_run_no_formula_bbox\", \"invalid_details\": [], \"visually_verified\": 0}","created_at":"2026-09-25T05:09:43"},{"id":435874,"import_question_id":22009,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是( ) A. (2, 1) B. (1, 2) C. (1, 4) D. (4, 1)","result_json":"{\"picks\": [], \"tree_code\": \"KT_SENIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-25T05:09:43"},{"id":435889,"import_question_id":22009,"audit_type":"VISION","auditor_name":"vision-auditor","status":"PASS","score":0.95,"input_snapshot":"题干：\n在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是( ) A. (2, 1) B. (1, 2) C. (1, 4) D. (4, 1)\n答案：\nA\n解析：\n设点\\(C\\)坐标是$(x,y)$，∵平行四边形$ABCD$顶点$A,B,D$的坐标分别是$(-3, 5)$, $(-4, 3)$,\\((3, 3)，∴-3 +x= -4 + 3\\),\\(5 +y= 3 + 3\\),∴\\(x= 2\\)，\\(y = 1\\), ∴点\\(C\\)坐标是(2, 1)，故选：A．","result_json":"{\"ok\": true, \"hard\": false, \"issues\": [], \"confidence\": 0.95, \"suggestions\": [\"解析中‘∴-3 +x= -4 + 3’,5 +y= 3 + 3’的排版可以优化，将两个等式分行或加括号，避免阅读时混淆运算范围。\"]}","created_at":"2026-09-25T05:10:02"},{"id":435922,"import_question_id":22009,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是( ) A. (2, 1) B. (1, 2) C. (1, 4) D. (4, 1)","result_json":"{\"basis\": \"在平行四边形中，对角线互相平分。设C(x,y)，则AC与BD的中点重合。BD中点为((-4+3)/2, (3+3)/2)=(-0.5, 3)。AC中点为((-3+x)/2, (5+y)/2)。令(-3+x)/2=-0.5得x=2；令(5+y)/2=3得y=1。故C(2,1)。\", \"answer\": \"A\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-25T05:10:36"},{"id":435923,"import_question_id":22009,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案:A || 盲解:A","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-25T05:10:36"},{"id":435924,"import_question_id":22009,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"PASS","score":1.0,"input_snapshot":"答案:A || 盲解:A","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"盲解与来源答案一致\"}, \"status\": \"PASS\", \"applicable\": true}","created_at":"2026-09-25T05:10:36"},{"id":435929,"import_question_id":22009,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.9,"input_snapshot":"答案:A || 解析:设点\\(C\\)坐标是$(x,y)$，∵平行四边形$ABCD$顶点$A,B,D$的坐标分别是$(-3, 5)$, $(-4, 3)$,\\((3, 3)，∴-3 +x= -4 + 3\\),\\(5 +y= 3 + 3\\),∴\\(x= 2\\)，\\(y = 1\\), ∴点\\(C\\)坐标是(2, 1)，故选：A．","result_json":"{\"ok\": false, \"which\": [\"solution\"], \"issues\": [\"解析中直接写出 -3+x = -4+3 和 5+y = 3+3，未引用平行四边形对角线中点重合的性质或中点公式，推导过程不完整。\", \"-3 + x = -4 + 3: 在平行四边形ABCD中，对角线AC与BD互相平分，因此中点坐标应相等。A(-3,5)与C(x,y)的中点为((x-3)/2, (y+5)/2)；B(-4,3)与D(3,3)的中点为((-4+3)/2, (3+3)/2)=(-0.5, 3)。令(x-3)/2 = -0.5 得 x=2；令(y+5)/2 = 3 得 y=1。原解析直接写 -3+x = -4+3 虽巧合得到x=2，但逻辑表述不严谨，未体现中点公式，且第二步 5+y=3+3 同样缺乏依据。\", \"5 + y = 3 + 3: 同上，应使用中点公式：(y+5)/2 = (3+3)/2 ⇒ y+5 = 6 ⇒ y=1。原式 5+y=3+3 虽数值正确，但未说明来源，属于隐含推导未明示。\"], \"confidence\": 0.9, \"equation_checks\": [{\"valid\": false, \"reason\": \"在平行四边形ABCD中，对角线AC与BD互相平分，因此中点坐标应相等。A(-3,5)与C(x,y)的中点为((x-3)/2, (y+5)/2)；B(-4,3)与D(3,3)的中点为((-4+3)/2, (3+3)/2)=(-0.5, 3)。令(x-3)/2 = -0.5 得 x=2；令(y+5)/2 = 3 得 y=1。原解析直接写 -3+x = -4+3 虽巧合得到x=2，但逻辑表述不严谨，未体现中点公式，且第二步 5+y=3+3 同样缺乏依据。\", \"equation\": \"-3 + x = -4 + 3\"}, {\"valid\": false, \"reason\": \"同上，应使用中点公式：(y+5)/2 = (3+3)/2 ⇒ y+5 = 6 ⇒ y=1。原式 5+y=3+3 虽数值正确，但未说明来源，属于隐含推导未明示。\", \"equation\": \"5 + y = 3 + 3\"}]}","created_at":"2026-09-25T05:11:01"},{"id":435930,"import_question_id":22009,"audit_type":"QUALITY_GATE","auditor_name":"quality-gate","status":"FAIL","score":0.938,"input_snapshot":"","result_json":"{\"warnings\": [], \"graded_gate\": true, \"hard_failed\": [\"COHERENCE\"]}","created_at":"2026-09-25T05:11:01"},{"id":435960,"import_question_id":22009,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"在平面直角坐标系中，平行四边形ABCD顶点A,B,D的坐标分 别是(−3, 5), (−4, 3), (3, 3)，则点C坐标是( ) A. (2, 1) B. (1, 2) C. (1, 4) D. (4, 1)","result_json":"{\"basis\": \"在平行四边形ABCD中，对角线互相平分，因此AC的中点与BD的中点重合。已知A(-3,5)、B(-4,3)、D(3,3)，设C(x,y)。由中点公式：BD中点为((-4+3)/2, (3+3)/2)=(-0.5,3)；AC中点为((-3+x)/2, (5+y)/2)。令两者相等得(-3+x)/2=-0.5 ⇒ x=2；(5+y)/2=3 ⇒ y=1。故C(2,1)，对应选项A。\", \"answer\": \"A\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-25T05:12:13"},{"id":435961,"import_question_id":22009,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案:A || 盲解:A","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-25T05:12:13"},{"id":435996,"import_question_id":22009,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.85,"input_snapshot":"答案:A || 解析:设点C坐标为(x, y)。在平行四边形ABCD中，对角线AC与BD互相平分，因此它们的中点坐标相等。 点A(-3, 5)与点C(x, y)的中点为：\\(\\left(\\frac{x-3}{2}, \\frac{y+5}{2}\\right)\\)。 点B(-4, 3)与点D(3, 3)的中点为：\\(\\left(\\frac{-4+3}{2}, \\frac{3+3}{2}\\right) = \\left(-\\f","result_json":"{\"ok\": false, \"which\": [\"solution\"], \"issues\": [\"解析中点坐标公式书写错误：A与C的中点横坐标写成 \\\\(\\\\frac{x-3}{2}\\\\)，正确应为 \\\\(\\\\frac{x + (-3)}{2}\\\\) 或 \\\\(\\\\frac{x-3}{2}\\\\) 仅在 x-3 表示 x+(-3) 时成立，但题干未定义此简化，易引发歧义。按严格代入验证，\\\\(\\\\frac{x-3}{2}\\\\) 与 \\\\(\\\\frac{-3+x}{2}\\\\) 等价，但解析未明确说明，视为表述不严谨。\", \"点A(-3, 5)与点C(x, y)的中点为：\\\\(\\\\left(\\\\frac{x-3}{2}, \\\\frac{y+5}{2}\\\\right)\\\\): 中点横坐标应为 \\\\(\\\\frac{-3 + x}{2}\\\\)，而非 \\\\(\\\\frac{x-3}{2}\\\\)。虽然数值结果相同，但表达式书写错误，不符合‘不能补写原文没有的加减号’的要求。\"], \"confidence\": 0.85, \"equation_checks\": [{\"valid\": false, \"reason\": \"中点横坐标应为 \\\\(\\\\frac{-3 + x}{2}\\\\)，而非 \\\\(\\\\frac{x-3}{2}\\\\)。虽然数值结果相同，但表达式书写错误，不符合‘不能补写原文没有的加减号’的要求。\", \"equation\": \"点A(-3, 5)与点C(x, y)的中点为：\\\\(\\\\left(\\\\frac{x-3}{2}, \\\\frac{y+5}{2}\\\\right)\\\\)\"}]}","created_at":"2026-09-25T05:13:43"},{"id":435997,"import_question_id":22009,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"PASS","score":1.0,"input_snapshot":"答案:A || 盲解:A","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"盲解与来源答案一致\"}, \"status\": \"PASS\", \"applicable\": true}","created_at":"2026-09-25T05:13:43"},{"id":435998,"import_question_id":22009,"audit_type":"AUTO_REPAIR_ATTEMPT","auditor_name":"answer-repair","status":"FAIL","score":1.0,"input_snapshot":null,"result_json":"{\"critic\": true, \"symbolic\": true, \"coherence\": false, \"consensus\": \"two_solvers+symbolic+critic+coherence\", \"confidence\": 1.0, \"verifier_base\": \"http://127.0.0.1:8092/v1\", \"verifier_confidence\": 1.0, \"critic_explicit_pass\": true, \"symbolic_literal_warn\": false, \"symbolic_explicit_pass\": true, \"coherence_explicit_pass\": false}","created_at":"2026-09-25T05:13:43"}]}