《古诗两首_(0001).pdf》由会员分享，可在线阅读，更多相关《古诗两首_(0001).pdf（5页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、1/5 4 古诗两首【教案目标】1会认 10 个生字。会写 6 个字。2正确、流利、有感情地朗读课文，背诵课文，体会诗人对秋天的赞美之情。3培养学生喜欢背诵古诗的兴趣。【课时安排】两课时【教案准备】教师准备：媒体、生字卡片、写字本学生准备：1.自学生字，能基本读通古诗。2.复习课文以外的古诗。【教案过程】第一课时【课时要点】1.学习生字、新词。2.能正确朗读古诗赠刘景文并能背诵。一、激趣导入1.古诗是我国的文化精华，谁能背几首给大家听？生交流2.古诗为我们呈现美的意境，让我们有美的享受。我们今天再来学习两首古诗。媒体出示：古诗两首齐读课题3.（媒体出示：赠刘景文插图）看后交流：你看到了什么？想
2、到了什么？预设 1：我看到荷花都枯萎了，我知道这是秋末时节。预设 2：我看到菊花有些凋零了。预设 3：我看到橘子熟了，像一个个小灯笼挂在枝头。2/5（初步感知诗意：深秋时节，荷尽菊残，然而“橙黄橘绿”。）说明：古诗是小学语文教材中一类特殊的课文，从语言文字上看，它用的是古汉语；从表现形式上看，它含蓄、凝炼、节奏强、跳跃大；从叙写的内容上看，它离我们的时代较久远。因此，在古诗教案中，教师要在创设自由、和谐、民主、开放的学习环境基础上，引导学生自主探究、感悟诗境。从图入手，便于图文结合，感悟诗意，且能调动学生的积极性。4.今天学习的古诗，就描绘了这样一幅画面。媒体出示：赠刘景文5.师简介作者。苏轼
3、，字子瞻，号东坡居士。是北宋著名的文学家，政治家，书画家，与唐代的韩愈、柳宗元、宋代的欧阳修、苏洵、苏辙、王安石和曾巩并称唐宋散文八大家。二、初读课文1.小组学习。媒体出示：学习要求1.自己读，借助拼音，读准字音。2.把不认识的字圈出来。3.和小组成员一起想办法记住生字。2.谁愿意给大家读读这首诗？媒体出示：赠刘景文苏轼荷尽已无擎雨盖，文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
4、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
5、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
6、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
7、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
8、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
9、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J43/5 菊残犹有傲霜枝
10、。一年好景君需记，正是橙黄橘绿时。3.正音：“赠”、“擎”、“橙”：都是后鼻音“赠”、“残”：平舌音“橙”：翘舌音4.“赠”、“擎”、“橙”这几个字稍难读些，同桌互相当小老师，认真听对方读古诗，如果他完全读对了，就为他鼓掌，如果他有不对的地方就帮帮他。5.请一组同桌读、齐读。6.过渡：现在大家都会读这首诗了，如果把生字宝宝从课文中请出来，你还能准确地认出他们吗？（1）媒体出示：赠 刘 擎 菊 残 犹 君 须 橙 橘抢读。（2）交流识字方法。（采取多种方式识记）（如：小老师教认字：姓刘的同学就可以教大家认识“刘”；利用偏旁的表意功能识记“菊、橙、橘”；编顺口溜：“自言自语记”；生活中的广告标语识
11、记“残”字）（3）组词媒体出示：赠（）擎（）优（）憎（）敬（）犹（）须（）橙（）残（）需（）橘（）找（）三、研读课文1.自由读诗，说说你懂了什么？哪个字的意思不明白？文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8
12、HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M
13、4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8
14、HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M
15、4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8
16、HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M
17、4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J44/5（1）第一句的意思是说荷花已经凋谢了，连荷叶都枯萎了。媒体出示：荷花的图片擎：举，向上托。（擎雨盖：喻指荷叶）尽：没有了，在诗中指荷花凋谢了。你看，荷叶就像雨伞一样，诗中把它称为：擎雨盖（
18、2）第二句的意思是说只有那开败了菊花的花枝还不怕寒冷。残：是说菊花已经开败了。（3）第三句的意思是说一年最好的景致你要记住。君须记：你一定要记住。（4）第四句的意思是一年最好的景致就是橙子金黄、橘子青绿的时节。3.师范读，学生想象诗歌所描绘的画面。4.诗人在我们的眼前展现了一幅秋末的美丽图画，并用优美的诗句描写了秋末时节美丽的景色自由读，指名读。5.说说你喜欢哪句，并试着背下来。6.练习有感情地背诵。说明：读读背背，重在培养语感。低年级的学生以感性认识为主，因此在指导朗读时，采用带表情范读，学生听后直观感悟应该用什么的语气读，然后让学生模仿表情与语气朗读来体会文感，培养语感。四、复习巩固1.媒
19、体出示：赠刘景文苏轼荷尽已无，菊残犹有。一年好景，正是时。文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
20、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
21、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
22、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
23、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO
24、9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U
25、1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J45/5 挑战背诵，齐背。2.指导写字（1）刘：第五笔的起笔和第二笔的收笔齐平。左边稍宽。记 枝：左窄右宽（2）师范写，生练习写。五、拓展作业1.完成课后“我会写”。2.有感情地朗读古诗赠刘景文，并背诵。3.积累描写秋天的四字词语。板书设计：赠刘景文苏轼荷尽菊残橙黄橘绿一年好景文档编码:CV3V3U1H
26、4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G
27、5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H
28、4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G
29、5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H
30、4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G
31、5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4文档编码:CV3V3U1H4F8 HG7U8L3M5Z2 ZO9G5T5M4J4