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初高中化学衔接课件

  • 2026-07-22 20:10:36
初高中化学衔接课件

初高中化学衔接课件

初高中化学衔接第一课

本节课要解决的三个关键问题

1. 高中化学学什么？和初中化学有哪些区别

2. 高中化学需要用到哪些初中必备知识？

3. 高中化学怎么学？有什么学习规律和方法技巧？

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  1. CONNECT:[ UseTime:0.001057s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001528s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000707s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000636s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001253s ]
  6. SELECT * FROM `set` [ RunTime:0.000570s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001353s ]
  8. SELECT * FROM `article` WHERE `id` = 519178 LIMIT 1 [ RunTime:0.000951s ]
  9. UPDATE `article` SET `lasttime` = 1785214087 WHERE `id` = 519178 [ RunTime:0.019614s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000566s ]
  11. SELECT * FROM `article` WHERE `id` < 519178 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001159s ]
  12. SELECT * FROM `article` WHERE `id` > 519178 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001378s ]
  13. SELECT * FROM `article` WHERE `id` < 519178 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001839s ]
  14. SELECT * FROM `article` WHERE `id` < 519178 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001707s ]
  15. SELECT * FROM `article` WHERE `id` < 519178 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004323s ]
0.194439s