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人教版【高一】化学开学第一课课件,老师太强了,直接可以用!

  • 2026-08-24 09:57:07
人教版【高一】化学开学第一课课件,老师太强了,直接可以用!

主要提纲内容为：

一、Who-什么是化学

二、Why-为什么学化学

三、What-化学学什么

四、How-怎么学化学

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  1. CONNECT:[ UseTime:0.000948s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001398s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000739s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000741s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001472s ]
  6. SELECT * FROM `set` [ RunTime:0.000648s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001453s ]
  8. SELECT * FROM `article` WHERE `id` = 525946 LIMIT 1 [ RunTime:0.021889s ]
  9. UPDATE `article` SET `lasttime` = 1787577670 WHERE `id` = 525946 [ RunTime:0.003679s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.007019s ]
  11. SELECT * FROM `article` WHERE `id` < 525946 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002088s ]
  12. SELECT * FROM `article` WHERE `id` > 525946 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001638s ]
  13. SELECT * FROM `article` WHERE `id` < 525946 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003195s ]
  14. SELECT * FROM `article` WHERE `id` < 525946 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.060499s ]
  15. SELECT * FROM `article` WHERE `id` < 525946 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002411s ]
0.287175s