Unit 4 单元写作讲练 【精品课】 2026-2027学年八年级英语上册同步精品课件（新教材人教版）

单元话题写作讲练 Unit4 Amazing Plants and Animals 能迁移文本的写作逻辑，尝试描述自己喜爱的一种动物（如熊猫、大象等），做到信息准确、表达流畅。（迁移创新） By the end of the lesson, students will be able to: Learning Objectives 通过阅读文本，提取蓝鲸的关键信息（体重、栖息地、食物、寿命、生态重要性），理解文本对动物特征的描述逻辑。（学习理解） 能以第一人称改写文本段落，正确运用“体重、栖息地、食物”等信息进行表达；能根据文本内容补全关于蓝鲸的短文，掌握动物主题写作的基本结构。（应用实践） 本单元教材写作情境为“用第一人称写一篇有关鲸鱼的文章，主要介绍 鲸鱼的基本信息、生活习性和在生态系统中的作用等”，属于“人与自然”主 题范畴中“自然生态”这一主题群，涉及子主题“热爱与敬畏自然，与自然和 谐共生”。常见的写作任务是介绍野生动物的基本信息、生存现状、在生态 系统中的作用以及相关的保护措施等。体裁多为说明文或书信等应用文。 In this unit, we have known about some things in the nature. Can you list them? blue whales redwood trees bamboo butterflies moss ginkgo trees elephant birds cheetahs bees What do you know about them? Can you put them into 2 groups? Review 互动 Quiz about animals Which animal runs the fastest among all land animals? A. The cheetah. B. The lion. C. The horse. Quiz about animals What animal has the longest neck? A. The ostrich. B. The giraffe. C. The camel. Quiz about animals What is the biggest land animal in the world? A. The African elephant. B. The Asian elephant. C. The hippo. Quiz about animals What is the largest fish in the world? A. The whale shark. B. The great white shark. C. The goldfish. Quiz about animals Which bird can fly the fastest? A. The sparrow. B. The eagle. C. The peregrine falcon. Quiz about animals What is the largest and heaviest animal in the world? A. The giant panda. B. The lion. C. The blue whale. Lead in How much do you know about blue whales? 2 Pre-reading Introduction What do you know about the blue whale? marine mammal biggest animal endangered species Place: deep ocean Food: krill（磷虾） ... 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans ①The largest and heaviest animal on earth. ②Eat some of the tiniest animals in the ocean. Fun facts: the “est” about the blue whale. 蓝鲸之“最” tiny [ˈtaɪni] 小的 ③One of the most beautiful things to see 3 While-reading Read the text and complete the table. 3a How many paragraphs are there in this article? Two 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans The Blue Whale The blue whale is the_______(large) and_______(heavy) animal on earth.It can weigh as _______(much) as 200 tons.Many people like watching blue whales _______(swim),and they think it is one of the __________(beautiful) things to see.Blue whales live in all oceans except the Arctic Ocean.They eat a lot,but they eat some of the_______(tiny)animals in the ocean.A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years.When a blue whale _____(die) at sea,it becomes food for many kinds of animals_________(live) in and around the sea.This food _______(last) for over a year and it helps_______(create) a lively and healthy ecosystem.Blue whales play an importantrole in our world,so we must protect them. Think about the correct forms of the words in the bracket while reading The Blue Whale The blue whale is the_______(large) and_______(heavy) animal on earth.It can weigh as _______(much) as 200 tons.Many people like watching blue whales _______(swim),and they think it is one of the __________(beautiful) things to see.Blue whales live in all oceans except the Arctic Ocean.They eat a lot,but they eat some of the_______(tiny)animals in the ocean.A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years.When a blue whale _____(die) at sea,it becomes food for many kinds of animals_________(live) in and around the sea.This food _______(last) for over a year and it helps_______(create) a lively and healthy ecosystem.Blue whales play an importantrole in our world,so we must protect them. Read and think about the correct forms of the words in the bracket largest heaviest much swim see/watch sb +do most beautiful tiniest dies living 非谓语动词 除了 一般现在时态 lasts to create 达到 as+adj/adv原形+as 大西洋 What's the type of the text？ A.Expository (说明) B.Argumentative （议论） C.Narrative （叙事） Skimming Answer the questions The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. The Blue Whale How many paragraphs are there in the short passage? What is each paragraph about? Two Facts about whales Importance Skimming 1 2 The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. The Blue Whale 懒人笔记资料库制作,资料已申请版权,请认准懒人工作室购买,请勿侵权,请勿私自传播,谢谢!!! 公众号:懒人笔记资料库 wx助理号:lanrenbiji456/13540328504 What aspects does the poster cover? size weight Scanning Read and find The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. habitat The Blue Whale ability x What aspects does the poster cover? size weight Scanning Read and find The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. habitat food life span importance whale fall The Blue Whale ability Blue whale facts Weight Where they live Food How long they live Role in ecosystem It can weigh as much as 200 tons. In all oceans except the Arctic Ocean. Some of the tiniest animals in the ocean, around four tons of them a day. Up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea, lasting for over a year and helping to create a lively and healthy ecosystem. size weight ability habitat food life span importance protection Time to write Paragraph 1 Paragraph 2 I am the largest and heaviest animal on earth. I can weigh as much as 200 tons. I’m really big and heavy. I can be up to 200 tons in weight. Many people like watching me swim, and they think it is one of the most beautiful things to see. I can swim very gracefully(优雅地). People enjoy seeing me swim in the ocean. I live in all oceans except the Arctic Ocean. You can find me in most oceans around the world, but not the Arctic Ocean. I make my home in many oceans except the Arctic. I eat some of the tiniest animals in the ocean. A blue whale like me can eat around four tons of these a day. I have a big appetite! I eat tiny ocean animals, and I can eat about four tons of them every day. I can live up to 90 years. My life can be as long as 90 years. I can live for up to 90 years. When I die at sea, I become food for .... This helps to .... I play an important role in our world. When my life ends in the sea, I become food for many sea animals. I help .... I’m very important in nature. So we must protect blue whales like me. It’s important to protect me and my family. People should protect me to keep the ocean ecosystem healthy. size weight ability habitat food life span importance protection Paragraph 1 Paragraph 2 How to make your passage more attractive to readers? Interest readers Use questions to interest readers. Choose a picture to catch readers’ eyes. Add more information to show how amazing the blue whale is and the problems it is facing. Add a title title Time to write 1. “Do you know who I am? I’m the largest animal on Earth—a blue whale!” 2. “What’s the biggest animal you can think of? It’s me, a blue whale!” 3. “Have you seen a blue whale before? Let me tell you about myself.” 1. “I’m a Blue Whale” 2. “My Life as a Blue Whale” 3. “Billy the Blue Whale” 4. “A Blue Whale’s Story” 5. “About Me: A Blue Whale” 4 Post-reading(Writing) Complete your passage about the blue whale based on the text in 3a. 3c 写作指导 文本体裁 话题分析 要求写完成段落的改写，主要改写内容为3a第二段的内容，涉及到蓝鲸的寿命和对生态环境的重要性等内容。 本文将第三人称的段落内容，改写为第一人称的段落内容。分析原文章属于介绍类文章，改写后，还是自身特性介绍，因此是说明文。 人称时态 以第一人称为主；以一般现在时为主。 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans （Unit 4 Section B 3c P39） 审题指导 1.文体： ________ 2.人称： __________ 3.时态: ____________ 4.写作要点：① _______________________；② _______________；③ _______________________ 说明文 第一人称 一般现在时 “我”（蓝鲸）的基本信息 “我”的生活习性 “我”在生态系统中的作用 思路点拨 教材写作品读 Hello,everyone!My name is Billy the Blue Whale. I ①am connected with the ocean deeply. I’m the largest and heaviest animal on earth,and I can weigh ②as much as 200 tons. I’m heavy,but I love swimming. 教材原句 ①【Section B 1b】At this moment you realize people,plants,and animals are all connected.（be connected with 与……有 关联） ②【Section B 2d】…larger ones can grow as big as a human hand. （as…as…像……一样……） Oceans ③are home to me,but I live in all oceans except the Arctic Ocean. My favourite food is the tiniest animals in the ocean. I can eat around four tons of them a day ④in order to get enough energy. ③【Section B 1f】They are home to many birds.（be home to…是……的家 乡） ④【Section B 1b】In order to store honey,they create honeycombs. （in order to 为了；以便） 续表 I can ⑤live up to 90 years. When I die at sea,my body ⑥plays a part in creating a lively and healthy ecosystem.⑦For this reason,I hope humans can protect us. ⑤【Section B 3a】Blue whales can live up to 900 years.（live up to 达到；符 合） ⑥【Section B 1b】Bees play an important part in the ecosystem of our planet.（play a part in sth.参与某事） ⑦【Section B 1b】For this reason,many scientists believe…（for this reason 出于 这个原因） 续表 开头句 1.Now let me tell you something about pandas.（用share…with升格） _______________________________________________ I’d love to share something about pandas with you. 2.竹子是中国画中最受欢迎的题材之一。（教材Section A 2a） 翻译： ___________________________________________________________ Bamboo is one of the most popular subjects in Chinese paintings. 中间句 1.Some could stand up to three metres tall and weigh up to 860 kg. （教材Section A 3b） 仿写：一些古树能长到高达20米，寿命可达 500 年。 _________________________________________________________________ ___________ Some ancient trees could stand up to twenty metres tall and live up to 500 years. 2.They become very popular. Many people around the world go to the zoo to see them.（用so…that…升格） _________________________________________________________________ ______________ 升格后仿写：人们砍伐了如此多的树木，以至于大熊猫找不到足够的食物， 也没有足够的生存空间。 _________________________________________________________________ _________________________________ They become so popular that many people around the world go to the zoo to see them. People cut down so many trees that pandas can’t find enough food and don’t have enough space to live in. 3.Pandas are important to ecosystem and culture.（用play an important role 升格） ______________________________________________________ Pandas play an important role in the ecosystem and culture. 结尾句 1.蜜蜂需要我们的帮助，并且有很多我们能做的。（教材Section B 1b） 翻译： _____________________________________________ Bees need our help,and there is a lot we can do. 2.每个人都应当把它们当作我们的朋友，并保护它们的家园，这是很有必要的。 翻译： ___________________________________________________________ __________________ It is necessary that everyone should treat them as our friends and protect their homes. 【名言积累】 1.The forest is the oxygen factory.森林是氧气的制造工厂。 2.Where there is green,there is life.哪里有绿色，哪里就有生命。 Writing Tip 3: Make details clear. 原句：When I die at sea, I become food for many kinds of animals... 改后：When I die at sea, I don’t just disappear—I become a “big buffet” for sea animals! Fish, crabs, and even tiny shrimps come to eat from my body, and this food lasts for over a year. Tip 4: add a warm ending. 原句：We play an important role in the world, so people must protect us. 改后：①We blue whales love the ocean, and we help keep it healthy. Will you help protect us and our ocean home? Thank you! ②I hope we can live happily in the ocean forever. Please help protect me and my friends! Writing Read the whole passage, how to make it better? Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on earth. My weight is as much as 200 tons. I’m heavy, but I love swimming in the ocean. Many people like watching me swim, and they think I am one of the most beautiful things to see. I live in all oceans except the Arctic Ocean. I can eat around four tons of them a day. I can live up to 90 years. When I die at sea, I become food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. We play an important role in the world, so people must protect us. Writing Tip 1: Use lively language. 原句：My weight is as much as 200 tons. 修改建议：Add “Guess what?” or “Can you believe?” 改后：Guess what? My weight is as much as 200 tons—that’s like 30 adult elephants standing on a scale(称)! 原句：I can eat around four tons of them a day. 修改建议：Say “tiny ocean animals” instead of “them”, and add a fun example. 改后：I eat tiny ocean animals, and I can munch(咀嚼) about four tons of them every day—can you imagine how much that is? It’s like eating 2,000 big watermelons! Writing Tip 2: Make sentences connect smoothly. 原句：I’m heavy, but I love swimming in the ocean. Many people like watching me swim, and they think I am one of the most beautiful things to see. 改后：I’m super heavy, but don’t let that fool you—I’m actually a great swimmer! When I glide(滑行) through the ocean, many people come to watch me, and they say I look like a big, gentle cloud moving in the water. 原句：I live in all oceans except the Arctic Ocean. I can eat around four tons of them a day. 改后：I live in all oceans except the cold Arctic Ocean—there’s too much ice for me! By the way, do you know what I eat in these warm oceans? Tiny little animals, and I can eat about four tons of them every day! Sample Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on earth. Guess what? My weight is as much as 200 tons—that’s like 30 adult elephants standing on a scale! I’m super heavy, but don’t let that fool you—I’m actually a great swimmer! When I glide through the ocean, many people come to watch me, and they say I look like a big, gentle cloud moving in the water. I live in all oceans except the cold Arctic Ocean—there’s too much ice for me! By the way, do you know what I eat in these warm oceans? I eat tiny ocean animals, and I can munch about four tons of them every day—can you imagine how much that is? It’s like eating 2,000 big watermelons! I can live up to 90 years. When I die at sea, I don’t just disappear—I become a “big buffet” for sea animals! Fish, crabs, and even tiny shrimps come to eat from my body, and this food lasts for over a year. It helps to create a lively and healthy ecosystem. We blue whales love the ocean, and we help keep it healthy. Will you help protect us and our ocean home? Thank you! Share and evaluate your writing with the checklist. Checklist Items(评价项目) Stars 1. Correct facts. 2. Written in the first person “I”. 3. Interesting and friendly language. 4. No mistakes in grammar. 5. Good handwriting. OK Good Great 本周末有一批外国游客要来动物园参观大熊猫。假如你是他们的导游， 请你根据下面的内容提示写一篇不少于 80 词的发言稿，向这些游客简要 地介绍一下大熊猫。 内容包括： 1.大熊猫的外貌及性格特征是什么？ 2.它们以什么为食？ 3.它们的生存现状如何？保护它们的措施有哪些？ 参考词汇：feed on以……为食；the number of……的数量 审题指导 1.文体： ________ 2.人称： __________ 3.时态: ____________ 4.写作要点：① ________________________；② __________________________ __；③ ________________________ 应用文 第三人称 一般现在时 大熊猫的特征及生活习性 大熊猫的生存现状及原因 保护大熊猫的意义及措施 思路点拨 （温馨提示：请先完成下面的写作提纲） Pandas are…and they look… They mainly live in… Pandas feed on… Pandas are ourfriends. But now… People cut down many trees… so pandas can’t… Pandas play an important role in… our government is trying out…such as… 小试身手 _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ Ladies and gentlemen, Welcome to China!I’m happy to be your guide today. I’d love to share something about pandas with you. Pandas are black and white,and they look very lovely. Pandas feed on bamboo. They mainly live in some forests in Sichuan and other places. Pandas are our friends. But now,the number of pandas is dropping. People cut down so many trees that pandas can’t find enough food and don’t have enough space to live in. Pandas play an important role in the _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ecosystem and culture. For this reason,our government is trying out many ways in order to save them,such as teaching people the importance of saving pandas and planting more bamboo. Thanks for listening! Lavf59.10.100 $