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逆向思维调教AI:我是如何从“不想要的课件”里,找到真正想要的教学设计的

  • 2026-04-08 13:25:50
逆向思维调教AI:我是如何从“不想要的课件”里,找到真正想要的教学设计的

我尝试用4亿下载量的APP做教学课件,结果……

作为一名中学地理教师,最近我开始尝试用AI工具辅助制作教学课件。昨天第一次使用千问AI,效果却不尽如人意。

比如,让它生成一节关于“海水运动”的课件,虽然框架完整,却存在几个明显问题:

① 课件字体普遍偏小,完全没考虑真实课堂上后排学生的观看体验;

② 内容以文字和简单配图为主,缺乏匹配“海水运动”这一概念的动态图示——没有洋流动态图、没有海浪剖面示意、也没有潮汐形成动画。整体看起来,更像一份电子版讲义,而不是为课堂教学设计的可视化辅助工具。

不过,文章发出后,有热心读者给我推荐了另一个更适合做PPT的AI——百度文库APP里的“一键生成PPT”功能。

试用时发现,这个功能需要付费,新用户可以花2元体验7天但要注意:支付宝支付后会自动签约续费。于是我特意先通过支付宝取消自动续费,才继续使用。

为了对比,我用与昨天类似的指令,让百度文库生成同一节“海水的运动”课件。结果发现:

① PPT页码从17页增加到31页,内容更丰富;

② 增加了更多与主题相关的地理图片;

③ 整体逻辑更完整、贴合教学实际,更便于课堂使用。

接着,我尝试用百度文库制作湘教版地理必修一第四章《地球上的水》的复习课件,并经历了四次指令优化:

第一次指令:

“请根据湘教版地理必修一第四章水循环、海水的性质和运动等核心内容,设计一份复习PPT,要求只列关键知识点标题,不写具体内容,让学生通过回忆来复习。”

生成的PPT中出现了厄尔尼诺、海水透明度、pH值与营养盐等超出高一期末考试范围或难度偏高的内容,而一些核心考点却未突出,我不太满意。

第二次指令:

“制作一份湘教版地理必修一第四章的复习课件,需包含‘水循环’‘海水的性质’‘海水的运动’和‘水资源’等主要知识点,并配上图表和例题。”

这次内容更聚焦了,围绕水循环的过程与意义、海水的三大性质、三大运动及水资源相关内容展开,但依然包含了海水的酸碱度、透明度、颜色以及“学生评价与反馈”“改进方向与建议”等非必要板块。

第三次指令:

我先让AI生成第四章的复习纲要,再基于此生成PPT。

从目录对比来看,第三个PPT更贴近期末复习的认知体系,但所列内容仍与我的预期有差距。

第四次指令:

我先在百度文库“付费精选”中找到一份他人分享的《地球上的水》知识点总结,再让AI结合这份总结生成PPT。

这次生成的PPT明显更接近我心中理想的样子——基于人类已有知识框架,再由AI进行可视化编排,比前三次纯粹由AI自主发挥的结果更贴合教学实际。

不过,它依然不是我最终想要的复习课件。后来,我在百度文库中找到一份其他教师制作的复习课件,那份更符合我对复习课件的期望。

经过这一轮尝试,虽然AI最终仍未完美满足我的需求,但在与它反复“对话”的过程中,我逐渐清晰了自己到底想要什么样的课件。我也意识到:只有把指令表达得越具体、越准确、越清晰,AI才越可能产出我们真正需要的内容。

这就像查理·芒格常说的“逆向思维”:如果你想要成功,就得先知道怎样会失败,然后避免那些导致失败的行为。在与AI协作的过程中,明确“不要什么”,往往能更快地接近“想要什么”。

往期运用AI制作课件尝试:

两分钟生成17页PPT!AI做课件真能取代老师?亲测后我发现……

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  1. CONNECT:[ UseTime:0.000373s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000610s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000272s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000282s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000484s ]
  6. SELECT * FROM `set` [ RunTime:0.000199s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000600s ]
  8. SELECT * FROM `article` WHERE `id` = 461262 LIMIT 1 [ RunTime:0.000649s ]
  9. UPDATE `article` SET `lasttime` = 1777048471 WHERE `id` = 461262 [ RunTime:0.000634s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000283s ]
  11. SELECT * FROM `article` WHERE `id` < 461262 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000397s ]
  12. SELECT * FROM `article` WHERE `id` > 461262 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000427s ]
  13. SELECT * FROM `article` WHERE `id` < 461262 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000743s ]
  14. SELECT * FROM `article` WHERE `id` < 461262 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001266s ]
  15. SELECT * FROM `article` WHERE `id` < 461262 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000914s ]
0.076302s