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【专项突破】中考化学20项小专题复习(课件+精讲+专练)

  • 2026-04-16 06:25:36
【专项突破】中考化学20项小专题复习(课件+精讲+专练)

中考化学一轮复习精讲精练-共20个专题（全国通用版）

每个知识点都包括考点精讲ppt（复习知识与方法）与专题精练（练习题），前者更侧重于复习知识方法，后者侧重练习。可按照自己需求使用~原卷版不含答案，解析版含答案。本资料为金优化学粉丝专属资源，非授权禁止转载！

资料展示

精讲总结

精练解析

来源：初高学科充电站

资料可能存在瑕疵和错误，小编无法一一校对，请慎重选择使用。

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  1. CONNECT:[ UseTime:0.001115s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001757s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000790s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000695s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001393s ]
  6. SELECT * FROM `set` [ RunTime:0.000627s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001024s ]
  8. SELECT * FROM `article` WHERE `id` = 463119 LIMIT 1 [ RunTime:0.000525s ]
  9. UPDATE `article` SET `lasttime` = 1776632536 WHERE `id` = 463119 [ RunTime:0.009060s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000269s ]
  11. SELECT * FROM `article` WHERE `id` < 463119 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004327s ]
  12. SELECT * FROM `article` WHERE `id` > 463119 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000444s ]
  13. SELECT * FROM `article` WHERE `id` < 463119 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002162s ]
  14. SELECT * FROM `article` WHERE `id` < 463119 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000667s ]
  15. SELECT * FROM `article` WHERE `id` < 463119 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001347s ]
0.109998s