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初中物理、化学备课资源,教师免费用

  • 2026-03-19 19:16:27
初中物理、化学备课资源,教师免费用

在教学的过程中，

【备课】一直是困扰了老师们的

一大难题，完全自己做，劳心劳力，

效果还不一定好。

上网找资料呢，搜罗半天，

找到一堆花花绿绿的课件

总不能让人满意！

难倒就真的没有好的备课资料了吗

就真的忍心让老师片刻不得休闲吗

↓↓↓来看看这个↓↓↓

以上选自化学大师精讲课

以上选自物理大师精讲课

大师系列精讲课到底是啥呢？

↓↓查看完整视频 ↓↓

化学大师精讲：空气

物理大师精讲：物质三态的微观区别

如何才能获取精讲课资源呢？

长按识别下方二维码

教师免费领

大师教学研讨群限时开放中

1.入群即送精品实验课件

2.每日教学资源分享

3.每日教育资讯

4.不定期赠送会员、礼品活动

5.与全国优秀教师交流互动

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添加大师君微信号，

微信发送消息“我要入群”

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上海各区高中资源深度分析:哪个区的学生压力最大?

F554 精品优质课资源 初中化学 第八单元 第八单元 海洋化学的利用《第三节 碳酸氢钠和碳酸钠--海水制“碱”》课件PPT+教学设计Word

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  1. CONNECT:[ UseTime:0.001217s ] mysql:host=127.0.0.1;port=3306;dbname=c_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001631s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000715s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000652s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001398s ]
  6. SELECT * FROM `set` [ RunTime:0.000533s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001280s ]
  8. SELECT * FROM `article` WHERE `id` = 458732 LIMIT 1 [ RunTime:0.000843s ]
  9. UPDATE `article` SET `lasttime` = 1774789459 WHERE `id` = 458732 [ RunTime:0.029769s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000677s ]
  11. SELECT * FROM `article` WHERE `id` < 458732 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001013s ]
  12. SELECT * FROM `article` WHERE `id` > 458732 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001064s ]
  13. SELECT * FROM `article` WHERE `id` < 458732 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001860s ]
  14. SELECT * FROM `article` WHERE `id` < 458732 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001837s ]
  15. SELECT * FROM `article` WHERE `id` < 458732 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002055s ]
0.210907s