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【试卷评讲】八下春 小关怀(一)

  • 2026-04-21 10:42:37
【试卷评讲】八下春 小关怀(一)
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你生来本应为高山并非草芥

[背景说明]：

本次小关怀主要涉及以下知识模块：物质的物理属性、力的初步、力与运动。

题目选取以中档题为主，目的在于检验孩子们前六周的学习情况。

不少学生分数偏低可能有以下客观原因：

①八下难度相比八上有质的飞跃，整体分数呈下降趋势，且两级分化凸显，这是每年都必然会出现的现象；

②部分学校教学进度较慢，学生对于八、九章的题型练习量不足；

更多是一些主观原因：受力分析模型不够熟练；受力分析步骤和方法不规范；缺乏力与运动关系分析的系统性思维···

测试并非目的，而是为了更好得发现学习中存在的问题，以便改进。

希望每个孩子结合自己的测试情况，及时总结反思，优化学习动作，巩固薄弱的知识模块，让自己变得更强

加油，冲起来~🏍
[视频讲解]：

（视频讲解时长22min33s）（建议wifi下观看，横屏效果更佳~）

[每道题对应的时间轴]：

2分45秒：选择题；  

12分20秒：填空题；  
15分20秒：画图题；
17分30秒：第13题；
19分30秒：第14题；

 有不懂的问题欢迎私聊我~

往期回顾

【八下 · 巩固练习讲解】🐟🐟🐟：

👉八下春 质量密度实验专题

👉八下春 重力弹力专题

👉八下春 力与运动专题

👉八下春 摩擦力专题

👉八下春 受力分析专题

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  140. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000867s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001569s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000745s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000732s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001739s ]
  6. SELECT * FROM `set` [ RunTime:0.000625s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001641s ]
  8. SELECT * FROM `article` WHERE `id` = 481282 LIMIT 1 [ RunTime:0.001245s ]
  9. UPDATE `article` SET `lasttime` = 1776787828 WHERE `id` = 481282 [ RunTime:0.001487s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000702s ]
  11. SELECT * FROM `article` WHERE `id` < 481282 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001193s ]
  12. SELECT * FROM `article` WHERE `id` > 481282 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001248s ]
  13. SELECT * FROM `article` WHERE `id` < 481282 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001973s ]
  14. SELECT * FROM `article` WHERE `id` < 481282 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002807s ]
  15. SELECT * FROM `article` WHERE `id` < 481282 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002820s ]
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