Unit 4 Section A（Grammar Focus）（同步实用课件）-2025-2026学年八年级英语上册同步精美课件（人教版2024）

该初中英语课件聚焦形容词和副词比较级与最高级，围绕Unit4“Amazing Plants and Animals?”主题，通过动物知识问答导入，从具体情境（如距离、票价比较）过渡到规则变化（直接+er/est等）、句型结构（如“one of+最高级+复数名词”）及语篇应用（3a-3c阅读填空），搭建“情境感知-规则归纳-语用输出”的学习支架。 其亮点在于融合真实语境（如CGV影城票价比较、银杏树语篇）与互动活动（“真心话大冒险”问答），通过规则分类归纳（如重读闭音节双写规则）和句型转换练习，培养学生语言运用能力与逻辑思维品质。学生能在情境中掌握语法并迁移应用，教师可借助系统练习与语篇材料提升教学效率。

Unit4 Amazing Plants and Animals? Section A 3a-3c close to closest to closer to It is the closest to home. It is close to home. It is closer to home. 2 km 1.5 km 800 m Let's look and say. the most popular more popular popular It is more popular . It is popular. It is the most popular . big bigger biggest It has the biggest screen. Let's look and say. It has a big screen. It has a bigger screen. comfortable more comfortable the most comfortable It has the most comfortable seats. It has comfortable seats. It has more comfortable seats. ￥20 ￥24.8 ￥25 cheap cheaper cheapest It has cheaper tickets. It has cheap tickets. It has the cheapest tickets. good better best It has a better sound. It has a good sound. It has the best sound. 1. Which animal is the largest and heaviest in the world, an African elephant, a cheetah or a blue whale? Lead in The blue whale is the largest and heaviest in the world. 2. Which animal runs the fastest on land, a cheetah, a deer or a horse? The cheetah runs the fastest--it can reach speeds of up to 70b miles per hour! The African elephant is the largest land animal. Do you want to know more about animals? Let's go to 3a Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother The blue whale is the largest and the heaviest animal in the world. The biggest land animal in the world is the African elephant. The cheetah runs the fastest among all land animals. I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. 3a. Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? 形容词、副词最高级的定义 1 To compare three or more people, places or things. To show the extremes. 形容词、副词的最高级用于________________的人或事物之间的比较，常用_________来说明比较的范围。 形容词最高级前要加_________， 副词最高级前的the_______。 定义 特点 三个或三个以上 of / in短语 定冠词the 可省略 比较级、最高级规则变化 1. 比较级一般直接+er tall short(矮的) long short(短的) fast slow high low(低的) young old rich poor hard(硬的、努力的) soft(软的) dark (暗的) light(亮的，轻的) taller 最高级一般直接+est the tallest shorter the shortest longer the longest shorter the shortest faster the fastest slower the slowest higher the highest lower the lowest younger the youngest older the oldest richer the richest poorer the poorest harder the hardest softer the softest darker the darkest lighter the lightest 比较级、最高级规则变化 1. 比较级:一般直接+er strong weak(弱的) cool cold warm clean thick(厚的) cheap(便宜的) clever smart few soon shy weaker the weakest cooler the coolest colder the coldest warmer the warmest cleaner the cleanest thicker the thickest shyer the shyest cheaper the cheapest 最高级:一般直接+est stronger the strongest cleverer the cleverest smarter the smartest fewer the fewest sooner the soonest 3.比较级：重读闭音节双写+er, 最高级：重读闭音节双写+est 2. 比较级：以e结尾+r， 最高级：以e结尾+st large huge(极/巨大的) late nice fine wide(宽的) safe(安全的) close (近的) wise(明智的) brave (勇敢的) larger the largest huger the hugest later the latest nicer the nicest finer the finest wider the widest safer the safest closer the closest wiser the wisest braver the bravest 大红湿热胖瘦苗条伤心的 big red wet hot fat thin slim sad bigger the biggest redder the reddest wetter the wettest hotter the hottest fatter the fattest thinner the thinnest sadder the saddest slimmer the slimmest 4. 比较级：辅音+y结尾，改y加ier; 最高级：辅音+y结尾，改y加i+est easy early happy heavy lazy busy funny lucky crazy(疯狂的) pretty ugly silly angry hungry friendly lovely healthy easier , the easiest earlier , the earliest happier, the happiest heavier, the heaviest lazier, the laziest busier, the busiest funnier, the funniest luckier, the luckiest crazier, the craziest prettier, the prettiest uglier, the ugliest sillier, the silliest angrier, the angriest friendlier, the friendliest hungrier, the hungriest lovelier, the loveliest healthier, the healthiest 5.比较级：多音节+more， 最高级：多音节+most 严肃/重的 外向的 舒适的 舒适地 仔细的/小心的 仔细地/小心地 serious, the most serious outgoing, the most outgoing comfortable, the most comfortable comfortably, the most comfortably careful, the most careful carefully, the most carefully loud loudly quiet quietly quick quickly slow slowly louder, the loudest more loudly, (the) most loudly quieter, the quickest more quietly, (the) most quickly quicker, the quietest more quickly, (the) most quietly slower, the slowest more slowly, (the) most slowly 原级 比较级 最高级 good/well better the best bad/badly/ill worse the worst many/much more the most little less the least far farther(表示距离：“更远”) the farthest further(表示程度：“更进一步”) the further old older(新旧或年龄) the oldest elder(兄弟姐妹长幼关系) the eldest 形容词和副词的最高级的用法 句型1： in /of/among 短语(比较的范围) the 最高级 主+be+_____+形容词_______[+_________________________]__ 实义动词 主+ _________+ (the) adv最高级[+in /of/among 短语(比较的范围)] in+范围 of +同类特定群体 among + 同类事物 / 人 她是她班上最聪明的学生。 She is the smartest student in her class. “in her class” 指在班级这个组织范围内。 他是他们当中最高的。 He is the tallest of them. “of them” 明确在 “他们” 这几个人中进行比较。 猎豹在陆地动物中是跑得最快的。 The cheetah is the fastest among land animals. “among land animals” 表示在众多陆地动物中比较。 in+范围 of +同类特定群体 among + 同类事物 / 人 长江是中国最长的河流。 The Yangtze River is ________ _________ river in China. 2.莉莉在我们班跳舞最好。 Lily dances __________ _________ in our class. 3.这本书是图书馆里最有趣的。 This book is ____ _____ __________ book in the library. 4.那只鸟在树林里飞得最高。 That bird flies ________ _________ in the woods. the longest the best the most interesting the highest Who is the tallest, Tom , Mike , or Jack? which/who+ be + the + 形容词最高级，A, B or C? which/who+ v +( the )+ 副词最高级，A, B or C? Which season do you like (the) best, spring, summer , or autumn? 谁最高，汤姆，迈克还是杰克？ 你最喜欢哪一个季节，春季、夏季还是秋季？ 苹果、香蕉和橙子，哪一种水果最健康？ 句型2： Which fruit is _____________, an apple, a banana or an orange? the healthiest A: Who is the … student/teacher in our class? Who...the ... in our class? Which...? B: I think / As for me / In my opinion,… I know. funny boring loud bad serious smart friendly tall quiet good outgoing busy creative thin popular fast hard-working... 真心话大冒险 句型3： “one of the + 形容词最高级 + 可数名词复数 + 范围” “最…… 的…… 之一”，强调在一个范围内， one of + the + 形容词最高级 + 可数名词复数做主语，谓语（单数形式）“…… 是…… 中最…… 的…… 之一” 猴子是最聪明的动物之一。 Monkeys are one of _____________________animals. 2.北京是中国最古老的城市之一。 Beijing is one of _____________________ cities in China. 3.熊猫是最受人们喜爱的动物之一。 Pandas are one of __________________________ loved by people. 4.珠穆朗玛峰是世界上最高的山峰之一。 Mount Qomolangma is ________________ mountains in the world. the cleverest animals the oldest cities the most popular animals one of the highest 中国最美味的食物之一是饺子。 One of _________________ foods in China_____ dumplings. 2.世界上最高的建筑之一是哈利法塔。 One of ___________________ in the world _____ the Burj Khalifa. 3. One of _______________ (beautiful) cities in Europe ____ Paris. 4. One of _____________ (long) rivers in the world _____ the Nile. the most delicious is the tallest buildings is the most beautiful is the longest is 句型4： the + 序数词（second/third…) + 最高级 + 名词 + 表示范围的短语 “……是第(二/三)……最……” 黄河是中国的第二大长河。 The Yellow River is the second longest river in China. 海南是中国的第二大岛。 Hainan is the second largest island in China. The Yangtze River is the _________ (long) river in China, and the Yellow River is the _________ (two) _________ (long) one. 2. This building is the ________ (three) _______ (tall) structure in our city. 3. That movie is the ______ (five) _______________ (interesting) film I have seen this year. 4. The elephant is the _______ (four) _________ (heavy) animal in the zoo. longest second longest third tallest fifth most interesting fourth heaviest Wondermother 句型5：比较级表达最高级 主语+be/v.+ 比较级than any other +n.单数+比较范围 “......比其他任何一个都......” 主语+be/v. +比较级than the other+ n.复数+比较范围 “......比其他......都......” 他比班上其他任何一个学生都要高。 He is taller than any other student in our class. 他比班上其他学生都要高。 He is taler than the other students in our class. 句型转换 Shanghai is larger than the other cities in China. → Shanghai is larger than ______ ______ ______ in China. 2.The Pacific Ocean is the largest ocean in the world. ① The Pacific Ocean is larger than ______ ______ ______ in the world. ② The Pacific Ocean is larger than ______ ______ ______ in the world. any other city any other ocean the other oceans Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother 3b. Complete the sentences with the superlative forms of the words in brackets. (P35 on textbook) 1. Among 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, or the lotus flower? 3. Look at that butterfly! It has __________________(colourful) wings. 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 cutest the most beautiful the most colourful (the) highest the largest heaviest /ˈpiːəni/ 牡丹 /ˈləʊtəs/ n. 莲花 /weɪ/ v. 重量为 高达；达到 Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother Let’s know more about Ginko trees! The Ginko Tree! It is a symbol of hope and long life! 希望与长寿的象征 Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother 3c. Complete the passage with the superlative forms of the words in the box. (P35 on textbook) ancient beautiful common good popular The ginkgo tree 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 hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is ____________________. This tree is over 1,400 years old. Thousands of 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 ancient the most beautiful the best the most common the most popular 1. What is the topic of the text? 2. How long ago did ginkgo trees first appear? 3. Why do Chinese people love the ginkgo tree? 4. Where can you see ginkgo trees in China? 5. How do the yellow leaves make people feel? The ginkgo is one of the most ancient living trees on earth. It appeared over 200 million years ago. Because it is a symbol of hope and long life. In streets, parks, and gardens across China. They can make people feel happy. 重点短语 1. 最有用的 2.最可爱的 3. 最色彩斑斓的 4. 最重的 5. 成千上万的 6. 高达 7. 重达 8. 带来欢乐 9.散步 the most useful the cutest the most colourful the heaviest thousands of stand up to weigh up to bring joy to take a walk 1. The biggest land animal in the world is the African elephant.世界上最大的陆地动物是非洲象。 Language points ① n. 陆地；土地 on land 在陆地上 by land 经陆路 ② v. 降落；着陆 take off 起飞 您是通过陆路还是海路去的 。 Did you go there _________ or by sea? by land 一只蝴蝶落在了她的肩膀上。 A butterfly ______________ her shoulder. landed on 2. The biggest land animal in the world is the African elephant.世界上最大的陆地动物是非洲象。 ① African n. 非洲人 （可数名词）→ Africa n.非洲 复数：Africans ② Asia 亚洲 Asian 亚洲的；亚洲人 Africa 非洲 African 非洲的；非洲人 Europe 欧洲 European 欧洲的；欧洲人 我们学校有五个非洲人 。 There are ________________in our school. five Africans 3. Some could stand up to three metres tall and weigh up to 860 kg. 有些可以站立到 3 米高，重达 860 公斤。 ① “直到、达到（某一时间、数量、程度等）” ② 表示“由……决定、取决于” 她熬夜到午夜做项目。 She stayed ________________working on the project. up to midnight 什么时候开始由你决定。 It's_______________ to decide when to start. up to you 4. Some could stand up to three metres tall and weigh up to 860 kg. 有些可以站立到 3 米高，重达 860 公斤。 ① weigh v. 有……重；称重量; n. 重量；分量 ② put on weight 增加体重 lose weight 减重 weigh up to+数词 重达…… weigh about+数词 重约…… weigh over+数词 超过……重 The cheetah weighs about 50 kilograms. 及时练习 这头大象重 5 吨。 The elephant _______ 5 tons. 2.你应该称一下这个西瓜。 You should _______ the watermelon. 3.What's the _______ of the dog? It _______ 10 kilograms weighs weigh weight weighs 1. The Yellow River is the second （long） river in China. 2. Tony does sports every day， and he is the （strong） boy in his class. 3. Bolt runs than anyone else. He is the runner. （fast） 4. Frank thinks that the physics test this week was the ⁠ （difficult） of all the tests. 5. Qomolangma， one of the （high） mountains in the world， is on the border of China. longest　 strongest　 faster　 fastest　 most difficult　 highest　 一、 用括号内所给单词的适当形式填空。 1. I want to plant many （玫瑰） in the yard. 2. Look！ So many （蝴蝶） are flying around the flowers. 3. Beating their w in the air， the birds flew away. 4. A blue whale w about 150 tons. It’s the heaviest animal in the world. roses　 butterflies　 ings　 eighs　 二、 根据首字母或汉语提示完成单词。 用括号内形容词或副词的适当形式填空: This horse is very ________ (strong), but that horse is much _________ (strong) than this one. It’s so late, so I drive the car ___________(slowly) than usual. 3. He went ______________(far) than the other students. 4. The street is as _______(long) as that one, but it is_____(wide) than that one. 5. His drawing isn’t so _______(good) as yours. 6. This piano is ______________(expensive) than the other two. It is __________________(expensive) of the three. 7. Which is ________________(difficult), English, physic or biology? strong stronger farther/further long more expensive the most difficult more slowly good wider the most expensive Revision. 写出下列单词的比较级和最高级。 1. new 2. fresh 3. loud 4. loudly 5. quiet 6. quietly 7. cheap 8. cheaply 9. friendly 10.eraly 11. large 12. late 13. comfortable 14. comfortably 15. careful newer the newest fresher the freshest louder the loudest more loudly the most loudly quieter the quietest more quietly the most quietly cheaper the cheapest more cheaply the most cheaply friendlier the friendliest earlier the earliest larger the largest later the latest more comfortable the most comfortable more comfortably the most comfortably more careful the most carefully $