Unit 4 Section A 3a-3c 课件 2026-2027学年人教版英语八年级上册

该初中英语课件聚焦形容词、副词最高级的构成及用法，通过歌词填空的Warming-up活动和动物特征比较的Lead-in环节，从比较级自然过渡到最高级，搭建由具体实例到抽象规则的学习支架，帮助学生构建知识脉络。 其亮点在于情境化教学与文化渗透，借助真实语境（如动物速度数据）提升语言能力，结合银杏、熊猫等中国动植物主题培养文化意识。任务型练习（如3c段落填空、Production报告）引导学生分析比较，发展思维品质。教师可利用系统练习与评价工具优化教学，学生能在实践中掌握语法并增强跨文化表达能力。

Amazing Plants and Animals Unit 4 Section A 3a-3c TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 01 02 03 通过观察和分析 3a 中含形容词、副词最高级的例句,深入理解最高级的构成形式及定冠词 “the” 的搭配规则,明确最高级在描述 “最……” 特征时的语义功能。(学习理解) 掌握并准确运用形容词、副词最高级及相关句式,在具体语境中根据单词音节数灵活选择 “- est” 或 “most” 的构成形式,提升最高级运用的准确性和熟练度。(应用实践) 通过本课时学习,我们能够: Learning objectives 通过分析银杏的特征(如年代、外观、常见度等),将信息转化为连贯的最高级表达,在小组中交流对银杏的认知,展示对最高级语法的实际运用能力。(迁移创新) TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 2 If I fail, if I succeed At least I lived as I believe No matter what they take from me They can't take away my dignity Because_ love of All is happening to me I found _ love of all inside of me _love of all is easy to achieve Learning to love yourself Is _ love of all the greatest the greatest the greatest the greatest Warming-up Listen and fill in the blanks The sheep is large. The cow is _. The horse is the_. larger largest Lead-in Look and say 4 The panda is heavy. The elephant is _. The blue whale is the _. heavier heaviest 100,000 - 120,000 kg Lead-in Look and say 2500 - 3500 kg 90 - 110 kg 5 The fox runs fast. The tiger runs _. The cheetah runs the _. faster fastest 103km/h 60km/h 50km/h Lead-in Look and say 6 The peony is useful and interesting. The lotus flower is _. The bamboo is the _. more useful and interesting most useful and interesting Lead-in Look and say 7 We use _ to compare three or more things or people. We usually can see _ in a superlative sentence. superlatives 用于三者或三者以上的人或事物之间的比较,用of/ in/among 说明比较范围 Read 3a and answer 一.形容词 / 副词最高级的用法 When do we use superlatives? Presentation What are the ways to form a superlative adjective or adverb? Write down the original form (原形). large-the largest, heavy-the heaviest, big-the biggest, fast-the fastest, useful-the most useful, interesting-the most interesting Read and write down the original form Presentation 单词类型 构成方法 例词 单音节词和部分双音节词 一般情况在词尾+est long longest short shortest 以不发音的e结尾的,直接+st nice nicest large largest 重读闭音节词且词尾只 有一个辅音字母, 双写末尾辅音,再加-est big biggest hot hottest 以 “辅音字母+y”结尾的双音节词, 变y为i, 再加-est busy busiest friendly friendliest 多音节词和部分双音节词 词前加most quickly most quickly interesting most interesting 二.形容词 / 副词最高级构成规则——规则变化 Presentation Observe and conclude TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 原型 比较级 最高级 short fast tall small close big fat busy slowly expensive bigger the biggest shorter the shortest faster the fastest taller the tallest smaller the smallest closer the colsest busier the busiest more slowly the most slowly more expensive the most expensive fatter the fattest 口诀助记 最高级,很容易,一般词尾加est。 词尾若有哑音e, 直接就加st。 重读闭音节, 单辅音字母要双写。 辅音字母若加y, 记得把y变为i。 多音节,此前加上most。 Practice 原级 比较级 最高级 good/ well better best bad/ badly worse worst many/much more most little less least far farther/further farthest/furthest Observe and conclude 二.形容词 / 副词最高级构成规则——不规则变化 Presentation adj/adv 原级 adj/adv 最高级 cute large high fast big fat far adj/adv 原级 adj/adv 最高级 popular beautiful common colorful carefully good bad the cutest the largest the highest the fastest the biggest the fattest the farthest / the furthest the most popular the most beautiful the most common the most colorful the most carefully the best the worst Write down the superlaive forms(最高级) Practice TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 I.主+be动词+the 形容词最高级+in/ of/ among 比较范围 1.蓝鲸是世界上最重的动物。 The blue whale _ in the world. 2.竹子是中国最有用的植物。 The bamboo _ in China. 3.这个故事是所有故事中最有趣的故事。 This story _ among all stories. 4. 他是三个学生中最受欢迎的学生。 He _ of the three. is the heaviest animal is the most useful plant is the most interesting story is the most popular student II.主+实义动词+(the) 副词最高级+in/ of/ among 比较范围 1.猎豹是所有陆地动物中跑得最快的动物。 The cheetah _ among all land animals. 2.那只鸟是所有鸟中飞得最高的鸟。 That bird _ among all birds. 3. Emma是学校里唱得最好的学生。 Emma _ in the school. 4.Eric是班级里跳得最好的学生。 Eric _in class. runs the fastest flies the highest sings the best dances the best 形最高级前一般要加定冠词the; 副词最高级前定冠词the可省略。 III.A, B, C,哪一个最……? Which/ Who+动词(be动词/实义动词)+the+最高级, A, B or C? 1.哪个城市最大,北京、南京还是上海? Which city is _, Beijing, Nanjing or Shanghai? 2.哪个动物最可爱,小狗、小猫还是猴子? Which animal is _,dogs, cats or monkeys? 3.谁跳得最高, Bob, Tom还是Eric? Who _, Bob, Tom or Eric? 4.谁跑得最快, Alice, Lily 还是Lisa? Who _, Alice, Lily or Lisa? the biggest the cutest jumps the highest runs the fastest IV.最……之一 (be) one of +the+最高级+名词复数 1.苔藓是最古老的植物之一。 Moss is _. 2.英语是中学最重要的科目之一。 English is one of _ in middle school. 3.它是这本书中最有趣的故事之一。 It’s one of _ in the book. 4.王老师是我们学校最受欢迎的老师之一。 Miss Wang is _in our school. the most interesting stories the most important subjects one of the most popular teachers one of the oldest plants V. ……是第……最…… the+序数词+形容词最高级+可数名词单数 1.中国是世界上第三大国家。 China is _ in the world. 2.长江是中国第一长的河。 The Yangtze River is_ river in China. 3.Linda是学校里第二高的女孩。 Linda is _ at school. the third largest country the first longest the second tallest 最高级后面常与in, of连用。 一定区域、空间比较用in; 同一类事物进行比较用of. 1.Jack在世界上跳得最高。 Jack _ in the world. 2.Linda是班级里最外向的学生。 Linda is _ student in class. 3.Tom是三个人里最矮的。 Tom is _ the three. 4. 红杉树是四种植物中最漂亮的。 The redwood tree is _ of the four plants. jumps highest the most outgoing the shortest of the most beautiful plant 比较级表示最高级:在同一范围内进行比较 比其他任何......都......: 比较级+than any other 名词单数; ......比其他......都......: 比较级+ than the other 名词复数. 他是班级里最高的学生。 He is _ in our class. He is _in our class. He is _ in our class. the tallest student taller than any other student taller than the other students 比较级表示最高级:在不同范围内进行比较 比任何……都……:比较级+than+any+名词单数 1.中国比非洲的任何国家都大。 China is _ in Africa. 2.长江比英国的任何河流都长。 Yangtze River is _in England. larger than any country longer than any river 注意事项:形容词最高级前要加the, 但如果其前面有形容词性物主代词或名词所有格修饰时,则不再用定冠词the. 1.这是Tom的最好的朋友。 This is _. 2.那是她的最漂亮的裙子。 That is _. 3.这些是我们最美味的食物。 These are _. her most beautiful dress Tom’s best friend our most delicious food 1. Among(在……中,三者或三者以上) all animals, I love pandas the best. I think they are _(cute) animals in the world. 2. Which do you think is _(beautiful), the rose, the peony(牡丹), or the lotus flower (荷花)? 3. Look at that butterfly! It has _ (colourful) wings.(翅膀) 4. Which animal jumps _ (high), the lion, the monkey, or the tree frog? 5. The elephant birds were _ (large) and _ (heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg. the largest the most beautiful Complete the sentences with the superlative forms of the words in brackets. 3b the most colourful the highest the cutest the heaviest ancient beautiful common good popular 古代的 普遍的 受欢迎的 The ginkgo tree (银杏树) is one of _ living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of (……的象征) hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is _. Thousands of (成千上万的) tourists come to see it each year, especially in mid-October, as it is _time to see it. The ginkgo tree is one of _ trees in streets, parks, and gardens across China. When autumn comes, one of _activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart. the most beautiful the most ancient the best the most common the most popular Complete the passage with the superlative forms of the words in the box. 3c peony bamboo lotus panda Compare and choose one of the Chinese plants or animals and share more facts and reasons by using the superlative form. Useful sentence pattern: 1. The ginkgo tree is one of … living …on earth. 2. Chinese people like …, as it is a symbol of … 3. Among … , … perhaps is the … 4. I believe/ think …is …in China. checklist Use the superlative form correctly Have general introduction and at least one feature Have nice pronunciation and speak fluently Word bank: useful, beautiful, popular, ancient, lucky, pure(纯净的), strong(顽强的), noble(高贵的), grand(壮丽的)… Work in groups Production 26 常用句型 比较级表达最高级含义 注意 The cheetah runs the fastest among all land animals. Who is the best English teacher, Mr. Zhang, Miss Li or Miss Wang? Which city do you like best, Beijing, Shanghai or Guangzhou? Bamboo is one of the most popular subjects in Chinese paintings. the+最高级+in/of短语 Which/Who+谓语+最高级,A,B or C? one of+the+最高级+复数名词 用法 表示三者或三者以上(人或事物)的比较 形容词和副词的最高级 The Yellow River is the second longest river in China. the+序数词+最高级+单数名词 变化规则 Summary 27 比较级+than any other+单数名词 比较级+than the other+复数名词 He is taller than any other boy in his class. He is taller than the other boys in his class. 形容词最高级前有形容词性物主代词或名词所有格等修饰语时, 则不用the。副词最高级前the可省略。 最高级常与介词 in , of 和among 等表示比较范围的短语连用。 in + 范围,of + 同一类的具体成员/事物 常用句型 比较级表达最高级含义 注意 用法 形容词和副词的最高级 Summary 变化规则 28 1. 珠穆朗玛峰是世界上最高的山峰。 Mount Qomolangma is _ _mountain in the world. 2. Tom is the tallest student in his class.(同义句转换) Tom is _ _any other _ in his class. 3. 你最喜欢哪个城市,北京、上海还是广州? Which city do you like _, Beijing, Shanghai _ Guangzhou? 4. 皮影戏是中国最传统的艺术形式之一。 Shadow play is _ _ _ _ _ art forms in China. 5. “深度求索”是当前最流行的话题之一。 DeepSeek is _ _ _ _ _ topics these days. 6. 加拿大是世界上面积第二大的国家。 Canada is _ _ _ country in the world in area. the highest taller than boy best or one of the most traditional one of the most popular the second largest 完成句子 Practice The Yangtze River is_ river in the world. (第三长河) Jane always _ in our class. (到校最早) Lin Sen is _ in the class because he never gets to school on time. (最懒的学生之一) Edison was _ in the world. (最伟大的发明家之一) 5. Linda is quieter than _in her class. (比她班上其他女孩更安静) one of the laziest students one of the greatest inventors the third longest arrives at school earliest the other girls / any other girl Practice 完成句子 TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 课本文本变视频 TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 Topic: An introduction to _ Origin (起源) Ginkgo trees first appeared over _, making them one of _ on earth. Importance It is a symbol of _. A famous tree The old ginkgo tree in the Zhongnan Mountains in _ is the most beautiful. The best time to see it is _. Common place As one of the most common trees, people can see ginkgo trees in _, _, and _ across China. Popular activity When autumn comes, people usually _ under ginkgo trees. They believe the bright yellow leaves can bring _. the ginkgo tree 200 million years ago the most ancient living trees hope and long life Shaanxi Province mid-October streets parks gardens take a walk joy to their heart Read 3c again and complete the table Practice 32 is one of plants / animals in the world. It is and has . People love , as people think it is one of and it is a symbol of . Many people believe that in is . Thousands of tourists come to see it each year, especially in , as it is time to see it. It’s one of in our daily life. Once of activities is to . Compare and choose one of the Chinese plants and share more facts and reasons by using the superlative form. Production Make a report Must to do: Review the usages and forms of superlatives. Choose to do: Search more details about plants with Chinese culture and share with others by using the superlative forms. Homework TeacherWu英语工作室 原创设计 小红书:TeacherWu英语工作室 抖音:TeacherWu英语工作室 微信:TeacherWu678 34 1.跳得最高 2.多达三米高 3.重达860千克 4.希望和长寿的象征 5.数以千计的游客 6.散步 7.把快乐带到他们心里 jump the highest up to three meters tall weigh up to 860 kg a symbol of hope and long life thousands of tourists take a walk bring joy to their heart Summary Key phrases 按要求写出正确的单词、词组或句子。 陆地 (名词) _ 2. 非洲的 (形容词) _ 3. 牡丹(名词) _ 4. 莲花(名词) _ 5. 蝴蝶(名词) _ 6. 称重 (动词) _ 7. 接近(短语)_ 8. 相信(动词)_ 9. 陆地最大的动物是非洲象。 _ 10. 它可能是世界上最有趣的植物。 _ 11. 它能称重到860千克。_ land African peony lotus butterfly weigh up to believe The biggest land animal in the world is the African elephant. It can weigh up to 860 kg. It is perhaps the most interesting plant in the world Exercise(默写) 1. The Sahara is _ desert in the world. A. large B. larger C. largest D. the largest 2. Shanghai is one of _ cities in China. A. the most busy B. the busiest C. busier D. busyest 3. Which animal runs _, the tiger, the lion or the cheetah? A. fast B. faster C. fastest D. the fastest 4. This is _ interesting story I have ever heard. A. most B. the most C. more D. the more 5. Mount Qomolangma is _ mountain in the world. A. high B. higher C. the highest D. highest Exercise 1. Xi’an is one of _(beautiful) cities in China. 2. Who gets up _(early) of you all in the dormitory, Tony? 3. Chen jumped _(far) of all and got the first place at last. 4. Who is _(popular) singer, John, Andy or Iris? 5. The second _(tall) boy in our school is my best friend. 用所给形容词或副词的适当形式填空。 the most beautiful (the) farthest/furthest the most popular tallest (the) earliest Exercise 上海是中国最繁华的城市之一。(提示:“one of...” 结构, busy ) 2. 在所有运动中,汤姆篮球打得最好。(提示play basketball, well, sport ) 3. 猫、狗和兔子,哪种动物最可爱?(提示:animal, lovely ) Shanghai is one of the busiest cities in China. Among all sports, Tom plays basketball the best. Which animal is the loveliest, cat, dog or rabbit? 4. 长江是世界第三长河流。(提示:the Yangtze River) The Yangtze River is the third longest river in the world. 5. 熊猫是世界上最受欢迎的动物之一。 Pandas are one of the most popular animals in the world. Exercise 1. The cheetah runs the fastest among all land animals. 猎豹是所有陆地动物中跑得最快的。 land n. 陆地;土地 on land 在陆地上 by land 乘坐陆路交通 e.g. The African elephant is the largest animal on land. 非洲象是陆地上最大的动物。 We use the land to grow rice and vegetables. 我们用这块土地种植水稻和蔬菜。 Language points 【语境应用】完成句子 1) 飞机什么时候降落在机场? When did the plane _? 2) 在海上待了几周后,能在陆地上真好。 It's good to be _ after several weeks at sea. 3) 这只鸟离开了船,最终落在了一所房子上。 The bird left the ship and _ a house in the end. 4) 对他来说,驾驶那架飞机着陆并不难。 It was not difficult for him to _. land at the airport on land landed on land that plane Language points 2. Some could stand up to three metres tall and weight up to 860 kg. 有些站起来可达三米高,体重可达 860 千克。 weigh v. 有……重 weight vt. 称重量 e.g. She weighs 60 kilos. 她体重为 60 公斤。 e.g. Chicks were weighed and measured daily. 小鸡每天称重和测量。 weight n. 重量;体重 weigh的名词形式 (不可数名词) 常用短语:lose weight 减肥 Language points take a walk 散步与go for a walk同义 Let’s take a walk / go for a walk after dinner. 3. When autumn comes, one of the most popular activities is to take a walk under ginkgo trees. 秋天来临时,最受欢迎的活动之一就是在银杏树下散步。 【语境应用】晚饭后咱们散散步吧。 e.g. Would you like to take a walk with me? =Would you like to go for a walk with me? 你愿意和我一起去散步吗? Language points Lavf58.46.101 $