人教版八下-Unit 7 what's the highest mountain in the world -Section A Grammar focus 4a—4c-ppt课件-(含教案+音频+素材)-部级优课-(编号：b20a9).zip

Section A Grammar focus4a-4c Nameageheight Lu Han27178cm Zhang Junning32183cm Who is younger? Who is taller? Lu Han is younger than Zhang Junning. Zhang Junning is taller than Lu Han. Nameageweight Na Zha2550kg Xu Lingyue2550kg Who is older? Who is heavier? Na Zha is as old as Xu Lingyue. Na Zha is as heavy as Xu Lingyue. Nameageheight Wu Qian25166cm Lin Siyi23166cm Chen Shu40168cm Who is the tallest? Who is the youngest? Who is the oldest? Chen Shu is the tallest. Lin Siyi is the youngest. Chen Shu is the oldest. Task1 The best memory The highest mountain Qomolangma The deepest salt lake- The Caspian Sea The biggest desert- The Sahara The longest river-The Nile The Amazon River-the second longest river in the world The Yangtze River- the longest river in China The biggest ocean- the Pacific Ocean 太平洋太平洋 China over 5000 years oldthe USA Not even 300yeas old Japan 377,972.28 square kilometers Canada 998.467 million square kilometers Whats the highest mountain? Qomolangma Its higher than any other mountain in the world. Which is the deepest salt lake? The Caspian Sea. The Caspian Sea is the deepest of all the salt lakes. The Amazon River. Which is the second longest river in the world? The Yangtze River Which is the longest river in China ? Whats the biggest ocean? The Pacific Ocean. 太平洋太平洋 Fill in the blanks with the correct forms of the words in the box. 1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River. 2. Qomolangma is 8,844.43 meters_. Its one of the most_ places for serious mountain climbers. 3. No ocean in the world is as _ as the Pacific Ocean. 4. Although Japan is _ than Canada, it is_smaller. big much popular long old high longest longer high popular big older much Task2 Write two comparisons about two topics. Two rivers: _ and _ Task3 the Yangtze River the Amazon River the Yangtze RiverThe Amazon River 6,300km6,480km 2.The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China. 1. The Yangtze River is almost as long as the Amazon River. Two cities: _ and _ Chongqing Beijing 3017.00万人 2171.00万人万人 1.The population of Beijing is not _ _ _ that of Chongqing. 2. The population of Beijing is than that of Chongqing. smaller as large as 1. . 2. . Two animals: tigers and elephants 1. _. 2. _. Two persons : Re Ba and Na Zha 50kg 169cm 50kg 172cm Write five questions using comparisons. Then ask your partner your questions. 1. _ 2. _ 3. _ 4. _ 5. _ Who is the fattest in our group? Group Work Task4 Who is the shortest in our group? Who has the longest hair in our group? Who is the thinnest in our group? 1. Who is the tallest in our group? Who is the shortest in our group? Who is the tallest in our group? Who has the longest hair in our group? Who is the shortest in our group? Who is the tallest in our group? Who has the longest hair in our group? Who is the shortest in our group? Who is the thinnest in our group? In our group, is the tallest. is the shortest. is the heaviest. is as as . is taller than . hair is longer than . is than . 2. Give a report like this: Exit Ticket Please write down : 1.Three things you have learnt today. 2.Two things you want to know more about. 3. One thing you dont quite understand. In my family, is the tallest. is the shortest. is the heaviest. is asas . is taller than . is than . Write a short passage about your family using comparisons. Unit7Whats the highest mountain in the world? Section A （Grammar Focus4a-4c） 【我的目标我的目标】 1.掌握本节课的单词 ocean the Pacific Ocean 2.复习及巩固形容词原级，比较级和最高级的用法，熟练地运用形容词的比较 级和最高级, 能运用形容词的同级比较、比较级、最高级针对具体事实进行 比较 3.完成 4a ,4b,4c 中的任务 【我参与我参与】 一、我自学一、我自学 1. 预习单词： ocean the Pacific Ocean 二、我探究二、我探究 教师将学生分成 5 个小组进行 PK, 通过完成以下任务，决出“最优秀”小组。 1. Task 1 ：The best memory 根据图片回答老师问题 In this part, youll enjoy some beautiful pictures, after that you must answer my questions according to the pictures. T：Who is younger? Who is taller? S1: . T: Who is older? Who is heavier? S2: . T: Who is the tallest? Who is the youngest? Who is the oldest? S3: . 2. Task 2：完成 4a fill in the blanks with the correct forms of the words in the box big much popular long old high The Amazon River is one of the rivers in the world. Its a little than the Yangtze River. Qomolangma is 8,844.43 meters . Its one of the most places for serious mountain climbers. No ocean in the world is as as the Pacific Ocean. Although Japan is older than Canada, it is much . 3. Task 3：完成 4b Write two comparisons about two topics. 分别对两个城市和两种动物进行比较，要求根据具体事实进行表述。 例： Two rivers: the Yangtze River and the Amazon River the Yangtze River The Amazon River 6,300km 6,480km The Yangtze River is almost as long as the Amazon River. The Amazon is longer than the Yangtze , but the Yangtze is the longest river in China. Two cities: Beijing and Chongqing BeijingChongqing 3017.00 万人2171.00 万人 根据表格数据填入恰当的单词: The population of Beijing is not that of Chongqing. The population of Beijing is than that of Chongqing. Two animals: tigers and elephants PPT 呈现老虎和大象的图片，进行口头对比 . . Two persons: Re Ba and Na Zha Re BaNa Zha 50kg,165cm50kg,172cm PPT 呈现明星图片，模仿老师写的句子，进行书面对比： 教师板书：(1)Re Ba is as heavy as Na Zha. (2)Re Ba is shorter than Na Zha. (3) . (4) . (5) . 4. Task 4：小组活动完成 4c Write five questions using comparisons. Then ask your partner your questions. 用最高级写出五个问题，然后小组讨论所写问题，并将讨论后的结果写下来,小组选出代 向全班做汇报。 PPT 呈现例句： 例: Who is the tallest in our group? Who is the fattest in our group? Who is the shortest in our group? Who has the longest hair in our group? Who is the thinnest in our group? 小组选出代表向全班做如下的汇报： In our group, is the tallest. is the shortest. is the heaviest. is as as . is taller than . hair is longer than . is than . 三、我的收获三、我的收获 （一） Three things you have learnt today . （二）Two things you want to know more about. . （三）One thing you dont quite understand. 四、家庭作业四、家庭作业 Write a short passage about your family using comparisons. e.g. In my family, is the tallest, is the shortest, is the heaviest. is asas , is taller than ., is than . 【我反思我反思】 一一.我的记住我的记住 二二.我的体会我的体会 课课 题题 Unit 7 Whats the highest mountain in the world ? Section A Grammar Focus-4c 教材教材 分析分析 本节课是复习课，主要内容是在学习了形容词比较级的基础上，通过谈论有关地理 和自然的话题，进一步掌握比较级和最高级不同的句式表达，并能在实际生活中加 以运用。 学情学情 分析分析 通过初中一年半的英语学习，大多数学生已经掌握形容词和副词的比较级和最高级 的用法，但由于我们是农村学校，学生发展参差不齐，少数学生因为基础不够好， 学习很吃力，因此学生两级分化严重，所以每节授课内容不宜过多，也不宜过深， 要循序渐进，由易到难，利用多种教学手段充分调动学生的学习兴趣。本节课新单 词只有 2 个，通过预习完全可以掌握，为课堂做好准备。 学学 习习 目目 标标 1. 知识目标：掌握本节课的单词 ocean the Pacific Ocean 复习及巩固形容词原级，比较级和最高级的用法 完成 4a ,4b,4c 中的任务 2. 能力目标：能熟练地运用形容词的比较级和最高级，能运用形容词的同级比较、 比较级、最高级针对具体事实进行比较 3. 情感目标：了解我国和世界的一些“自然地理之最”。 学习学习 重点重点 难点难点 教学重点：形容词的比较级和最高级 教学难点：能运用形容词的同级、比较级、最高级针对具体事实进行比较。 教教 学学 过过 程程 一一. .导入导入（2 2 分钟）分钟） 1.让学生欣赏当前流行电视剧择天记中的人物图片，并将图 中人物进行比较，激发学生的兴趣,；然后根据图片人物回答问 题，引导学生口头复习比较级和最高级。 2. 出示 PPT。 T：Who is younger? Who is taller? Ss：Lu Han is younger than Zhang Junning . Zhang Junning is taller than Lu Han T: Who is older? Who is heavier? Ss: Na Zha is as old as Xu Linyue. Na Zha is as heavy as Xu Linyue. T: Who is the tallest? Who is the youngest? Who is the oldest? Ss：Chen Shu is the tallest. Lin Siyi is the youngest. Chen Shu is the oldest. 二、呈现二、呈现 教师将学生分成教师将学生分成 5 个小组进行个小组进行 PK, 通过完成以下任务，决通过完成以下任务，决 出出“最优秀最优秀”小组。小组。 1. Task 1: The best memory（4 分钟）分钟） . T: In this part, youll enjoy some beautiful pictures, after that you must answer my questions according to the pictures. 教师播放与本节课相关地理知识的视频，并在视频中穿插文字： The highest mountain-Qomolangma The deepest salt lake-The Caspian Sea 用 PPT 为学生提 供有效信息，根 据图片的引领， 让学生在语境和 意境中自然地利 用比较级和最高 级的句子回答老 师提问，简单地 口头操练，增加 学生学习的信心， 为后续教学打好 基础。 这个环节通过观 看视频，给学生 一个直观的视觉 冲击，一是为了 调动学生已有的 知识储备，通过 教教 学学 过过 程程 The biggest desert-The Sahara The longest river-The Nile The Amazon River-the second longest river in the world The Yangtze River-the longest river in China The biggest ocean-the Pacific Ocean 太平洋 China-over 5000 years old the USA-Not even 300yeas old 学生观看视频，和教师一起跟随视频中的英文小声朗读 . 教师针对视频中的部分内容提问, 并为回答正确的小组加分 T: Whats the highest mountain in the world? S1: Qomolangma. 学生回答后，教师呈现句子：Its higher than any other mountain in the world. T: Which is the deepest salt lake? S2: the Caspian Sean. 学生回答后，教师呈现句子：The Caspian Sea is the deepest of all the salt lakes. T:Which is the second longest river in the world? S3: The Amazon River. T:Which is the longest river in China ? S4: The Yangtze River T：Whats the biggest ocean ? S5：The Pacific Ocean. 2. Task 2 Finish 4a :fill in the blanks with the correct forms of the words in the box（2 分钟）分钟） big much popular long old high The Amazon River is one of the longest rivers in the world. Its a little longer than the Yangtze River. Qomolangma is 8,844.43 meters high. Its one of the most popular places for serious mountain climbers. No ocean in the world is as big as the Pacific Ocean. Although Japan is older than Canada, it is much smaller. 教师采用提问形式校队答案，为答案正确的小组加分,并要求集 体读句子。 S1: Longest, longer S2: high, popular S3: big S4: older, much 3. Task3 Finish 4b: Write two comparisons about two topics. （11 分钟）分钟） 教师引导学生分别对两个城市和两种动物进行比较，要求学生教师引导学生分别对两个城市和两种动物进行比较，要求学生 根据具体事实进行表述。根据具体事实进行表述。 教师给出例句：关于两条河流长度的对比教师给出例句：关于两条河流长度的对比 Two rivers: the Yangtze River and the Amazon River the Yangtze River The Amazon River 一系列的提问， 让学生回忆 Section A 所学些 过的知识，二是 向学生呈现新单 词 ocean ，the Pacific Ocean 以 及 Grammar Focus 的内容，同 时向学生展示 4a 部分出现的相关 地理知识，为接 下来的教学任务 做铺垫。 在口头操练的基 础上,学生独立完 成 4a 的填空，教 师要有意识地引 导学生关注形容 词级的变化，采 取抽问的形式校 队答案，集体朗 读句子，从口头 表达过渡到笔头 上的落实。为之为之 后完成后完成 4b -利用利用 比较级对比比较级对比 2 个个 事物做铺垫。事物做铺垫。 教 学 过 程 6,300km 6,480km The Yangtze River is almost as long as the Amazon River. The Amazon is longer than the Yangtze , but the Yangtze is the longest river in China. PPTPPT 呈现两个城市人口的数据，呈现两个城市人口的数据，采取填空的形式，采取填空的形式，要求学生要求学生 口头对比口头对比 Two cities: Beijing and Chongqing BeijingChongqing 3017.00 万人2171.00 万人 The population of Beijing is not as large as that of Chongqing. The population of Beijing is smaller than that of Chongqing. S1：as long as S2: smaller PPTPPT 呈现老虎和大象的图片，呈现老虎和大象的图片，不提供任何的数据，要求学生不提供任何的数据，要求学生 口头对比口头对比 Two animals: tigers and elephants . . S1: S2: S3: PPTPPT 呈现学生喜爱的明星迪丽热巴和古力娜扎的图片：呈现学生喜爱的明星迪丽热巴和古力娜扎的图片： Two persons: Re Ba and Na Zha Re BaNa Zha 50kg,165cm50kg,172cm T：You can compare two persons like this” 教师板书：(1)Re Ba is as heavy as Na Zha. (2)Re Ba is shorter than Na Zha. (3) . (4) . (5) . 教师邀请学生进 行口头填空练习， 让学生通过对直 观数据的对比， 完成相应地练习， 加深他们对比较 级句式的理解， 让学生了解如何 使用不同的句式 进行比较。 教师邀请学生进 行口头表述完整 的句子，教师对 所表述的内容进 行追问，提升活 动的有效性。让 学生自由发挥， 口头对比老虎和 大象，为接下来 笔头练习对比人 物做铺垫。 这个环节是对比 较级句式的巩固 和运用，学生从 口头表述到笔头 练习，从固定对 比到自由发挥由 浅入深，由易到 难，一步一步为 学生搭建平台， 让学生逐步实现 教 学 过 程 S1: as heavy as S2: shorter S3: S4: S5: 4. Task4 Finish 4c（15 分钟）分钟） Group Work : Write five questions using comparisons. Then ask your partner your questions. 要求学生用最高级写出五个问题，然后小组讨论所写问要求学生用最高级写出五个问题，然后小组讨论所写问 题题 并将讨论后的结果写下来，小组选出代表向全班做汇报。并将讨论后的结果写下来，小组选出代表向全班做汇报。 PPT 呈现例句供学生参考：呈现例句供学生参考： Who is the tallest in our group? Who is the fattest in our group? Who is the shortest in our group? Who has the longest hair in our group? Who is the thinnest in our group? 小组选出代表向全班做如下的汇报小组选出代表向全班做如下的汇报： In our group, is the tallest. is the shortest. is the heaviest. is as as . is taller than . hair is longer than . is than . Group1: Group2: Group3: 教师对小组表现进行总结 5. 学生总结学生总结: PPT 呈现学生思考的问题：呈现学生思考的问题：（5 分钟）分钟） (1)Three things you have learnt today. (2)Two things you want to know more about. (3)One thing you dont quite understand. T: Everyone has an exit ticket, please write your ideas about the three sentences on the ticket, then hand in , you can have a rest. S1: S2: S3: S4: 运用和巩固语言 目标。 把 4c 设计成小组 活动，搭建活动 平台让学生组内 进行问答，自由 运用语言，巩固 形容词比较级， 最高级的正确使 用，培养小组合 作精神；同时教 师根据实际表现 给予各小组不同 程度的表扬，使 得学生们掌握目 标知识并能在学 习和生活中正确 灵活地运用所学 知识，从而达到 本节课的教学目 标。 以发出场卷的形 式进行总结，大 大提高学生的兴 趣，让他们最大 限度地反思本节 课所学的知识， 让学生养成归纳 总结以及反思的 好习惯 教师利用黑板上的表格对各小组表现进行总结，选出“最佳小组” ，并对落后小组进行鼓励。在黑板上写下鼓励的话： Dont give up Please keep on Youll be better Youll be the best. 全班齐读 6.Homework（1 分钟）分钟） Write a short passage about your family using comparisons. e.g. In my family, is the tallest. is the shortest. is the heaviest. is asas . is taller than . is than . 及时评价和鼓励 学生们，让他们 树立良好正确的 价值观。这将在 以后的学习生活 中帮助他们健康 成长，快乐学习。 让学生们再次通 过运用来巩固本 节课知识 板板 书书 设设 计计 Unit 7 Whats the highest mountain in the world? Section A Grammar Focus4c (1)Re Ba is as heavy as Na Zha. Dont give up (2)Re Ba is shorter than Na Zha. Please keep on (3) . Youll be better (4) . Youll be the best (5) . G1G2G3G4G5