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2026 年深圳市中考物理、化学实验操作模拟考试示范视频

  • 2026-04-07 22:58:11
2026 年深圳市中考物理、化学实验操作模拟考试示范视频

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物理A组试题

探究凸透镜成像的规律

物理 B 组试题

探究滑动摩擦力大小与压力大小的关系

物理 C 组试题

测量串联电路中的电流

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物理实验用品准备

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化学A组试题

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化学B组试题

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  1. CONNECT:[ UseTime:0.000637s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000821s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000320s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000257s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000514s ]
  6. SELECT * FROM `set` [ RunTime:0.000201s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000504s ]
  8. SELECT * FROM `article` WHERE `id` = 538521 LIMIT 1 [ RunTime:0.002893s ]
  9. UPDATE `article` SET `lasttime` = 1775995323 WHERE `id` = 538521 [ RunTime:0.001664s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000282s ]
  11. SELECT * FROM `article` WHERE `id` < 538521 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001827s ]
  12. SELECT * FROM `article` WHERE `id` > 538521 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000450s ]
  13. SELECT * FROM `article` WHERE `id` < 538521 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002664s ]
  14. SELECT * FROM `article` WHERE `id` < 538521 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007243s ]
  15. SELECT * FROM `article` WHERE `id` < 538521 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000931s ]
0.088748s