Unit 4 单元写作讲练-【精品课】2025-2026学年八年级英语上册同步精品课件（人教版2024）

该初中英语课件围绕蓝鲸主题，涵盖其体重、栖息地、食物等基本信息及相关语法（形容词最高级、as...as结构）和写作技能（第一人称改写、说明文写作）。通过视频导入、Pre-reading问题激活背景，结合表格整理、语法提示等支架，实现从阅读输入到写作输出的知识衔接。 其亮点在于融合语言能力（词汇语法练习、读写结合）与思维品质（信息归纳、表格对比），如语法填空训练词形变化，第一人称改写提升表达能力。提供写作提纲、教材素材积累，助力学生迁移应用（如大熊猫写作），既培养学生语言运用与自主学习能力，也为教师提供系统教学支持，提高课堂效率。

Unit 4 Amazing Plants and Animals Section B How are plants and animals connected with us? Reading & Writing 3a-3c 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。 2 Watch the video 1 Lead-in Think and say What does this video talk about? 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 4 Watch the video 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 6 How do you like the blue whale? What makes it so “special”? 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 9 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. 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 Part 3. Imagine you are a blue whale. Use the first person to rewrite the first paragraph. 3b Hello everyone! My name is Billy the Blue Whale. I am ____________________________ _________________________________________________________________________ I’m heavy, but I love ________________________________________________________ _________________________________________________________________________. I live in __________________________________________________________________. My favourite food is _________________________________________________________ I can eat __________________________________________________________________. the largest and heaviest animal on earth. My weight is as much as 200 tons. swimming in the ocean. Many people like watching me swim, and they think I am one of the most beautiful things to see all oceans except the Arctic Ocean. some of the tiniest animals in the ocean. around four tons of them a day. 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 14 （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 15 思路点拨 16 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……） 17 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 18 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 19 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. 20 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. 21 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. 22 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. 23 【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。 24 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 25 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 26 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… 27 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 28 _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 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! Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $