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2026-2027学年八年级物理上册期中知识清单·机械运动 声现象(教师版·共16页完整可打印)

  • 2026-11-05 19:39:12
2026-2027学年八年级物理上册期中知识清单·机械运动 声现象(教师版·共16页完整可打印)

这份2026-2027学年八年级物理上册期中知识清单·机械运动 声现象，含完整答案与讲解。建议先通读梳理知识框架，把要点背熟，再遮住解析重做例题检验；期中前系统过一遍课本内容，用它最省时间。

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  1. CONNECT:[ UseTime:0.000511s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000817s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000416s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000370s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000569s ]
  6. SELECT * FROM `set` [ RunTime:0.000283s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000787s ]
  8. SELECT * FROM `article` WHERE `id` = 573440 LIMIT 1 [ RunTime:0.000374s ]
  9. UPDATE `article` SET `lasttime` = 1793994247 WHERE `id` = 573440 [ RunTime:0.001267s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000368s ]
  11. SELECT * FROM `article` WHERE `id` < 573440 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000435s ]
  12. SELECT * FROM `article` WHERE `id` > 573440 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000358s ]
  13. SELECT * FROM `article` WHERE `id` < 573440 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000489s ]
  14. SELECT * FROM `article` WHERE `id` < 573440 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000484s ]
  15. SELECT * FROM `article` WHERE `id` < 573440 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000609s ]
0.084792s