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【核心素养】九上化学2.2.0《氧气》课件PPT+教学设计+同步分层练习(含答案和教学反思)

  • 2026-08-24 16:17:34
【核心素养】九上化学2.2.0《氧气》课件PPT+教学设计+同步分层练习(含答案和教学反思)

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  1. CONNECT:[ UseTime:0.001255s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001747s ]
  3. SELECT * FROM `fenlei` WHERE  `fid` = 0 [ RunTime:0.000735s ]
  4. SELECT * FROM `fenlei` WHERE  `fid` = 63 [ RunTime:0.000708s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001346s ]
  6. SELECT * FROM `set` [ RunTime:0.000624s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001433s ]
  8. SELECT * FROM `article` WHERE  `id` = 525776 LIMIT 1 [ RunTime:0.000996s ]
  9. UPDATE `article`  SET `lasttime` = 1787581148  WHERE  `id` = 525776 [ RunTime:0.112971s ]
  10. SELECT * FROM `fenlei` WHERE  `id` = 66 LIMIT 1 [ RunTime:0.000839s ]
  11. SELECT * FROM `article` WHERE  `id` < 525776 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001288s ]
  12. SELECT * FROM `article` WHERE  `id` > 525776 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.010534s ]
  13. SELECT * FROM `article` WHERE  `id` < 525776 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001601s ]
  14. SELECT * FROM `article` WHERE  `id` < 525776 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001902s ]
  15. SELECT * FROM `article` WHERE  `id` < 525776 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005637s ]
    16.                 

            

                        

                
    
                                    

            

                    

    

    

        
    





    
0.266786s