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小学综合实践活动课《认识粮食作物》课件+教学设计+课件里视频素材

  • 2026-09-26 23:38:58
小学综合实践活动课《认识粮食作物》课件+教学设计+课件里视频素材
教材分析    
《认识粮食作物》这一主题活动来自学生对粮食作物的认识，以及主食是由什么作物种植得来的。发现生活中存在的浪费食物的行为，能够发现这些不良行为，作为小学生我们能够做什么来宣传珍稀粮食的好习惯。这对小学生节约粮食教育有很大帮助！
学习目标    
1.通过学习，了解主食的分类；
2.通过学习，了解一些主食的来源途径；
3.争做爱护粮食，不浪费粮食的好学生。
重点    认识各种粮食作物
难点    以身作则，珍稀粮食

有课件＋教学设计

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  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000752s ]
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  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000695s ]
  8. SELECT * FROM `article` WHERE `id` = 508217 LIMIT 1 [ RunTime:0.000345s ]
  9. UPDATE `article` SET `lasttime` = 1790705189 WHERE `id` = 508217 [ RunTime:0.001107s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000350s ]
  11. SELECT * FROM `article` WHERE `id` < 508217 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000438s ]
  12. SELECT * FROM `article` WHERE `id` > 508217 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000374s ]
  13. SELECT * FROM `article` WHERE `id` < 508217 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000563s ]
  14. SELECT * FROM `article` WHERE `id` < 508217 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000533s ]
  15. SELECT * FROM `article` WHERE `id` < 508217 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000541s ]
0.098725s