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四上《长城》第二课时 AI 赋能课件 | 以 “奇迹” 为线索,拆解围绕中心写!

  • 2026-11-08 16:24:00
四上《长城》第二课时 AI 赋能课件 | 以 “奇迹” 为线索,拆解围绕中心写!
本课课前 AI 实景导入，带学生沉浸式穿越万里长城，直观感受工程的浩大与震撼。课堂顺着文本脉络层层深挖，聚焦文本核心细节：厚重的条石、整齐的城砖、精巧的垛子、绵延无尽的城墙。学生读懂建筑精妙后，再回望作者的写作初衷：作者没有单纯写景，而是通过写工程之大、工序之难、人力之巨，用景物细节反衬古人的坚韧匠心。
第二课时课件共20页
读懂文本内容后，学生深度复盘：作者之所以多角度描摹长城，之所以细致刻画修筑细节，不是单纯写景，而是以景载情、以物传魂。壮丽山河承载千年文脉，浩大工程彰显民族风骨，所有文字层层铺垫、步步升华，最终汇聚成全文核心主旨，完美诠释 “伟大奇迹” 的中心含义。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

绚丽多姿的民俗风情课件,学生超爱

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000422s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000867s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000371s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000362s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000518s ]
  6. SELECT * FROM `set` [ RunTime:0.000286s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000701s ]
  8. SELECT * FROM `article` WHERE `id` = 537597 LIMIT 1 [ RunTime:0.000375s ]
  9. UPDATE `article` SET `lasttime` = 1794137787 WHERE `id` = 537597 [ RunTime:0.001414s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000329s ]
  11. SELECT * FROM `article` WHERE `id` < 537597 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000431s ]
  12. SELECT * FROM `article` WHERE `id` > 537597 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000360s ]
  13. SELECT * FROM `article` WHERE `id` < 537597 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000531s ]
  14. SELECT * FROM `article` WHERE `id` < 537597 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000583s ]
  15. SELECT * FROM `article` WHERE `id` < 537597 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000631s ]
0.083711s