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2026.05.09贵阳市二模试卷与压轴题解析

  • 2026-09-19 17:11:57
2026.05.09贵阳市二模试卷与压轴题解析
分析：有指有对，参数无法分离，放弃端点效应，寻找同构；同构前观察指数上的次数带参并且无法取下，那么只需要向他的形式看齐即可。
所以选B
C明显错误：因为在BC上任选一点作母线L的平行线都无法产生点D
选AB
大题有解析，包括试卷我一起放在后面：
试卷部分：
解析部分：
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2026.5师大附中八下期中数学试卷

基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000519s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000929s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000426s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000423s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000676s ]
  6. SELECT * FROM `set` [ RunTime:0.000297s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000809s ]
  8. SELECT * FROM `article` WHERE `id` = 490486 LIMIT 1 [ RunTime:0.000395s ]
  9. UPDATE `article` SET `lasttime` = 1789835089 WHERE `id` = 490486 [ RunTime:0.001457s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000366s ]
  11. SELECT * FROM `article` WHERE `id` < 490486 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000490s ]
  12. SELECT * FROM `article` WHERE `id` > 490486 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000450s ]
  13. SELECT * FROM `article` WHERE `id` < 490486 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000672s ]
  14. SELECT * FROM `article` WHERE `id` < 490486 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000824s ]
  15. SELECT * FROM `article` WHERE `id` < 490486 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000906s ]
0.086430s