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八上物理2.2运动的描述|教科版新教材重难点备课

  • 2026-09-28 03:08:27
八上物理2.2运动的描述|教科版新教材重难点备课
这套教科版新教材2.2专属课件，配套PPT+希沃双版本，适配全校授课设备，无需二次修改直接开课。每节嵌入精选中考真题，贴合参照物选取、运动静止相对性判断、生活场景辨析、同步运动应用高频考点。

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  1. CONNECT:[ UseTime:0.000603s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000761s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000342s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000319s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000620s ]
  6. SELECT * FROM `set` [ RunTime:0.000344s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000621s ]
  8. SELECT * FROM `article` WHERE `id` = 473153 LIMIT 1 [ RunTime:0.000362s ]
  9. UPDATE `article` SET `lasttime` = 1790552414 WHERE `id` = 473153 [ RunTime:0.001180s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000304s ]
  11. SELECT * FROM `article` WHERE `id` < 473153 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000428s ]
  12. SELECT * FROM `article` WHERE `id` > 473153 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000404s ]
  13. SELECT * FROM `article` WHERE `id` < 473153 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000626s ]
  14. SELECT * FROM `article` WHERE `id` < 473153 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000565s ]
  15. SELECT * FROM `article` WHERE `id` < 473153 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000614s ]
0.108273s