Unit 4SectionA 1a-1d 课件 2026-2027学年人教版英语八年级上册

Unit 4 Amazing plants and animals 第一课时 Section A 1a-1d ln this unit, you will talk about some amazing plants and animals. use superlatives to compare more than two things. discuss the connection between plants, animals, and our lives. explore why plants and animals are important to us. What makes plants and animals amazing? BIG Question Learning Objectives 最高级 v. 比较 n. 联系 Look and share: 1. What do you see in the photo? 2. What do you think of when you see the photo? I can see two bees and some flowers. The bees are collecting nectar(花蜜). It makes me think of : the beauty of nature sweet honey the bees' hard work ? BIG Question What makes plants and animals amazing? Nature is really amazing! 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 01 情景导入 Scenario Introduction Pre-listening What's your favorite animal or plant? 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 5 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 02 学习理解 Learning to understand moss /m s/ 苔藓 redwood tree / redw d/ 红杉树 bamboo /b m bu:/ 竹子 ginkgo tree / k / 银杏树 lotus flower / l t s/ 荷花 peony / pi ni/ 牡丹 amazing plants cheetah / t i t / 猎豹 butterfly / b t fla / blue whale /we l/ 蓝鲸 deer /d r/ bee /bi:/ ant / nt/ amazing animals 1aa Look at the plants and animals. Use the words in the box to talk about them. beautiful big fast heavy large long old small tall short moss: blue whale: cheetah: redwood tree: Let’s talk. beautiful big fast heavy large long old small tall short moss 苔藓 苔藓植物是一群小型的高等植物,没有真根和维管组织的分化,多生于阴湿环境中。 small old beautiful big fast heavy large long old small tall short beautiful big fast heavy large long old small tall short Let’s talk. big heavy blue whale 蓝鲸 蓝鲸被认为是已知的地球上生存过的体积最大的动物,长可达33米,重达181吨。 large big heavy blue whale 蓝鲸 蓝鲸被认为是已知的地球上生存过的体积最大的动物,长可达33米,重达181吨。 beautiful big fast heavy large long old small tall short Let’s talk. redwood tree 红杉 红杉高达50米,胸径1米,是一种高大挺拔、寿命很长、木质坚韧且多生长在湿润地区的常绿针叶树。 tall large big old beautiful big fast heavy large long old small tall short Let’s talk. cheetah 猎豹 猎豹是一种体型修长、奔跑速度极快、主要栖息在非洲草原且以捕食小型动物为生的猫科动物。 fast long beautiful big bigger This elephant is the biggest of all. What do you think of these animals? They are big animals. tall taller The bamboo is the tallest of the three. What do you think of these plants? They are tall plants. dawn Redwood 水杉 ginkgo银杏树 moss苔藓 They are old plants The Redwood is old. The ginkgo tree is older. The moss is the oldest. The tiger is large. The lion is larger than the tiger. The elephant is the largest of the three. What do you think of these animals? They are large animals. blue whale It’s also the heaviest animal. What's the largest animal in the world? The blue whale is the largest and heaviest animal in the world. They are fast animals. runs fast runs faster The cheetah runs the fastest. The cheetah runs the fastest in the world. Make a summary. The moss is the oldest plant on earth. The blue whale is the largest and heaviest animal on earth. The redwood tree is the tallest tree in the world. The Cheetah runs the fastest and is the most beautiful animal in the world. fast-faster-the fastest old-older-the oldest large-larger-the largest heavy-heavier- the heaviest beautiful-more beautiful-the most beautiful When comparing three or more things, we can use the superlative form of adjectives. 最高级 Don’t forget “the” in a sentence. Pre-listening Yaming It shows nature’s amazing facts事实! Find the tallest tree, fastest animal, oldest living thing in the world! Let’s see what I learned! Recently, I’m reading a book for a test on/about animals and plants. 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 03 应用实践 听说活动 Application Practice 1b Listen to the conversations and number the plants and animals in 1a in the order you hear them. While-listening moss: blue whale: redwood tree: cheetah: 1 2 3 4 23 1c Listen again. Match the words with the plants and animals in 1a. Some have two answers. A. heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest moss: blue whale: redwood tree: cheetah: A. heaviest B. largest C. most beautiful F. tallest D. oldest E. fastest 24 Emma: Hi,Yaming.What are you doing? Yaming: Hi,Emma.I'm starting a on animals and plants. Emma: Sounds fun.Let's take it together. Yaming: OK.First question.What's the animal in the world? Emma: It's the ,right? Yaming: Right.It's also the animal on earth.Next question.Which animal runs the? Emma: Oh wait!I just read about it.The cheetah runs the fastest. Yaming: Right again!And I think it's theanimal in the world. Emma: I completely agree with you. 1b Listen again and fill in the blanks test largest blue whale heaviest fastest most beautiful Yaming: Now let's answer the questions about plants.What is plant in the world? Emma: Hmm,I'm not sure.Do you have any idea? Yaming: Well,I think moss is one of plants.It appeared on earth around 470 million years ago.Oh, look here.I'm correct! Emma: Interesting! Let's go on! Yaming: Which kind of tree is in the world? Emma: The redwood tree,right? Yaming: Yes!I hope I can see some day. Conversation2 the oldest the oldest the tallest Emma: Hi, Yaming. What are you doing? Yaming: Hi, Emma. I’m starting a test on animals and plants. Emma: Sounds fun. Let’s take it together. Yaming: OK. First question. What’s in the world? Emma: It’s the blue whale, right? Yaming: Right. It’s also animal on earth. Next question. Which animal ? Emma: Oh wait! I just read about it. The cheetah runs the fastest. Yaming: Right again! And I think it’s animal in the world. Emma: I completely agree with you. the largest animal the heaviest runs the fastest the most beautiful Conversation 1 What’s the largest animal in the world? It’s also the heaviest animal on earth. Which animal runs the fastest? And I think it’s the most beautiful animal in the world. superlatives 最高级 /k m pli tli/ 完全地;彻底地 What’s amazing about Blue whale and Cheetah? Blue whale is the largest and heaviest animal on earth. Cheetah runs the fastest and is the most beautiful animal in the world. Yaming: Now let’s answer the questions about palnts. What is plant in the world? Emma: Hmm, I’m not sure. Do you have any idea? Yaming: Well, I think moss is plants. It appeared on earth around 470 million years ago Oh, look here. I’m correct! Emma: Interesting! Let’s go on! Yaming: Which kind of tree is in the world? Emma: The redwood tree, right? Yaming: Yes! I hope I can see some someday. the oldest one of the oldest the tallest Conversation 2 What’s the oldest plant in the world? I think moss is the oldest plant. Which kind of tree is the tallest in the world? / p (r)/ 出现 What’s amazing about moss and redwood tree? Redwood tree is the tallest tree in the world. Moss is one of the oldest plants on earth. How can we ask about them? What’s the largest animal in the world? The blue whale is the largest animal in the world. It’s also the heaviest animal on earth. Which animal runs the fastest? The cheetah runs the fastest. Yaming thinks it is the most beautiful animal in the world. What’s the oldest plant in the world? Moss is one of the oldest plants on earth. It appeared on earth around 470 million years ago. Which kind of tree is the tallest in the world? The redwood tree is the tallest in the world. Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother Conversation 1 Conversation 2 Listen and repeat. Wondermother Wonder mother Wonder mother Wonder mother Wonder mother Wonder mother Wondermother Wondermother Wondermother What makes them amazing? Why is it the tallest? tallest fastest cheetah redwood tree Why does it run fastest? Why is it the heaviest and largest? Why is it the oldest? heaviest, largest oldest moss blue whale It grows larger and larger to store energy for long trips, to stay warm and be safe. It runs fast to catch food and to run away from danger. It is very strong. It can live in difficult places. It shows the history of life. It grows taller and taller to reach the sunlight. Its fire-resistant bark 耐火的树皮protects them from damage. Are they amazing because they are being the most in the world? No! It's the features特征 that helps the animals or plants live生活 and survive生存! This is the real magic of nature大自然的真实魔法! The amazing plants and animals make the world more beautiful. We love them. We protect them! Moss is the oldest plant on earth. Redwood tree is the tallest tree in the world. The blue whale is the largest and heaviest animal on earth. The cheetah runs the fastest and is the most beautiful animal in the world. 观察下列句子并试着归纳最高级的结构公式。 1. 最高级用于 者或以上 的人/物比较,表示“最……”的概念。 2. 结构公式:A +be +the +形最高级+比较的范围 A +实义动词 +the +副词最高级+比较的范围 三 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 04 迁移创新 Migration Innovation moss blue whale redwood tree cheetah What’s the (形容词最高级) animal in the world? It’s . Ask and answer questions about the plants and animals in 1a.(2种答法) 1d A. heaviest B. largest C. most beautiful D. oldest E. fastest F. Tallest is (形容词最高级) animal in the world. 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 05 考点大全 Language points Language points Point 1 最高级表示“最……”,表示三者或三者以上(人或物)进行比较,其中一个在某一方面超过其他几个。后面长带有of、in、among的短语等来说明比较的范围。 一般情况下,形容词和副词的最高级的规则变化是在词尾加-est或在其前加most构成,不规则变化则要牢记。 形容词最高级前一般要加定冠词the,副词最高级前的the可以省去。 形容词/副词的最高级(superlatives) small 最高级的构成 smaller smallest 1.一般情况下,单音节或双音节的形容词/副词最高级直接在词尾加-est 规则 变化 2.以重读闭音节结尾,末尾只有一个辅音字母结 尾的词,双写最后一个辅音字母,再加-est bigger biggest big 3.以辅音字母+y结尾,变y为i加-est happy happier happiest 4.多音节和部分双音节形容词/副词,需在原级前加 most 构成最高级。 beautiful more beautiful most beautiful 原级 比较级 最高级 good / well better bad / badly worse many / much more little less far farther / further 形容词和副词的最高级的构成 (不规则变化) best worst most least farthest / furthest 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: 06 课堂小测 Exercise 1. China is the (big) Asian country and it has a long history. 2. Let’s go to Danny’s. The food there is the in town. (cheap) 3. Tom lives the (close) to school of all my classmates. 4. In my town, of all the movie theaters, the Movie World is (popular). 5. The teacher tells us that we should hope for the best and prepare for the (bad). 6. Many people think Chinese is the (hard) language in the world. 7. I think Wu Qilong is one of the most popular (actor). I’m his fan. 8. Grace does her homework (careful) in our class. 一、用单词的适当形式填空。 biggest cheapest closest the most popular worst hardest actors (the ) most carefully 1. 世界上最大的动物是什么? What’s in the world? 2. 她完全赞同本周末去野餐这个主意。 She with the idea of going on a picnic this weekend. 3. 我希望有一天能看到一些红杉树。 I I can see some trees . the largest animal completely agrees hope redwood someday 二、根据汉语意思完成句子,每空一词。 Homework 1. 基础层:抄写本课核心单词及形容词原级和最高级形式, 并造句。 2. 提高层:选择一种你感兴趣的中国濒危动植物,查找资料, 用3-5句英文介绍它。 3. 拓展层:制作一张关于濒危动植物的海报,写3-4个句子介绍 它的特征以及我们为什么要保护它。 学习目标 通过听读对话,获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息,完成表格填写;识别并区分对话中一般过去时(描述过去)和现在完成时(描述变化结果)的形式和意义;运用“used to But now”的对比结构,概括家乡变化的主要内容。 01 运用一般过去时和现在完成时,描述Li Rui家乡的变化(如“It used to take half a day, but now it takes only an hour”);分析听力对话中人物的情感态度(如Bob的惊叹、Li Rui的自豪),判断变化对人们生活的积极影响;在角色扮演中模仿对话的语调和表达方式,运用目标语言进行交流。 02 评价家乡变化带来的利弊,表达自己的观点和感受(如“What do you think is the most important change?”);运用所学语言,在真实或模拟的情境中讨论自己家乡近十年的变化,并表达情感态度。 03 通过本节课学习,学生能够: Thanks for watching! kmkm1170 kmkm1170 101664.0 $