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优质课件21 ▏选必2 第2课 《新航路开辟后的食物物种交流》

  • 2026-03-29 11:04:55
优质课件21 ▏选必2 第2课 《新航路开辟后的食物物种交流》

今天推送历史选必2第1单元第2课《新航路开辟后的食物物种交流》的课件，供大家交流研讨，请大家批评指正。如无授权，请勿上传至其他平台或公开出版使用。

优质课件 21

每周一个课件   共赴成长之约

  优质课件展示 

一、漂洋过海

二、寻根溯源

三、全球餐桌

END

供稿：潘辉丽

编辑：潘辉丽

初审：赖万胜

终审：林春宇

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 。

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  1. CONNECT:[ UseTime:0.000569s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000861s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.013633s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001176s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000541s ]
  6. SELECT * FROM `set` [ RunTime:0.000195s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000577s ]
  8. SELECT * FROM `article` WHERE `id` = 467219 LIMIT 1 [ RunTime:0.005654s ]
  9. UPDATE `article` SET `lasttime` = 1775529797 WHERE `id` = 467219 [ RunTime:0.015912s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001939s ]
  11. SELECT * FROM `article` WHERE `id` < 467219 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000740s ]
  12. SELECT * FROM `article` WHERE `id` > 467219 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003042s ]
  13. SELECT * FROM `article` WHERE `id` < 467219 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009051s ]
  14. SELECT * FROM `article` WHERE `id` < 467219 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004141s ]
  15. SELECT * FROM `article` WHERE `id` < 467219 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.018751s ]
0.145769s