Unit4 SectionB (3a-3c) Writing 课件2025-2026学年人教版（2024）八年级英语上册

该初中英语课件围绕蓝鲸主题展开写作教学，涵盖蓝鲸科学事实（体重、栖息地等）及说明文改写，通过图片猜动物、视频学习导入，结合表格提取信息、结构分析搭建支架，衔接第一人称改写任务。 其亮点在于融合语言能力（第一人称改写训练）、思维品质（角色扮演与视角思考）及学习能力（反思与探究），如3b改写指导要点、反思表自我评估，学生提升语言转换与逻辑思维，教师可借助系统流程高效教学。

Amazing Plants and Animals UNIT 4 Section B (3a-3c) Writing 1. learn some facts about the blue whale. 2.know how to use the first person to rewrite a passage. 3.learn the features of exposition and try to write logically. 4.realize the importance of protecting the blue whale. New Words ocean n. 大海；海洋 except prep. 除……之外；除了 tiny adj. 极小的；微小的 The vast ocean was silent, except for the tiny sound of a distant seagull. 广阔的海洋一片寂静，除了一只遥远海鸥微弱的叫声。 live up to 达到；符合 lively adj. 精力充沛的；生机勃勃的 the Arctic Ocean 北冰洋 The lively seal must live up to the challenges of surviving in the icy Arctic Ocean. 这只活泼的海豹必须不辜负在冰冷的北冰洋中生存的挑战。 Look and share Do you know who I am? a blue whale Watch and learn It tells us many facts about the blue whale What’s the type of the article? A. It is a narration(记叙文) B. It is an exposition(说明文) C. It is an argumentation(议论文) D. It is a practical writing(应用文) Pre-writing 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 8 地位 体重和喜爱 基础介绍（范围、食物、寿命）及贡献 呼吁保护 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. 在地球上 多达，达到…… 之多 /ˈəʊʃn/ n. 大海；海洋 /ɪkˈsept/ prep. 除……之外；除了 tiny /ˈtaɪni/ adj. 极小的；微小的 live up to 达到；符合 lively /ˈlaɪvli/ adj. 精力充沛的；生机勃勃的 扮演一个重要的角色 Read and learn 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. Around four tons of them a day. Up to 90 years. It plays an important role in our world. Read the text and complete the table. 3a 人称: 由第三人称变成第一人称 内容要点: 要点不能省略或者遗漏。 语言: 个别句子需要变化结构 weight living area food amount of food eaten hobbies Imagine you are a blue whale. Use the first person to rewrite the first paragraph. 3b What should we mainly pay attention to when rewriting the article? 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. I can weigh as much as 200 tons./ My weight is as much as 200 tons. Imagine you are a blue whale. Use the first person to rewrite the first paragraph. 3b Hi, blue whale! What’s your name? My name is Billy. Where are you from? I’m from the deep oceans. Are you from the Arctic Ocean? No, I’m from the Pacific Ocean. The Arctic Ocean is not suitable for us the live in. Oh, I see. What do you usually eat? … Think about what it might be like to be a blue whale. Where do they live? How does that affect them? What might they like and dislike? What might be important to them? What personality might they have? How might they speak if they could? What emotions might they have? 人称：第一人称叙事 时态：一般现在时为主 语言风格：生动活泼 文体：自身特性介绍，说明文。 可在事实基础上进行创意发挥 Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on earth! I weigh over 100 tons. I’m heavy, but I love to swim. I live in the ocean and I love it here. But I don’t go to the Arctic because it’s too cold! I can eat some of the tiniest animals in the ocean. I can eat several tons of them every day. Complete your passage about the blue whale based on the text in 3a. Did you know I can live up to 90 years? That’s about as long as humans! When my life ends in the ocean, my body becomes a super important buffet for animals living in and around the sea. By helping so many animals survive, I keep the ocean happy and healthy. That’s why humans need to protect my whale family. 评价内容 评 价 标 准 框架结构(Structure) 能够详略得当地安排段落 具体内容(Content) 能够具体、清晰地用已知数据描述蓝鲸 语言表达(Language) 能够使用简明的、准确的、活泼的语言表达 书写质量(Handwriting) 书写规范、字母大小写、标点符号、涂改规范等 Exchange your post with your partner and finish the checklist. Language Points Blue whales live in all oceans except the Arctic Ocean. 蓝鲸生活在除北冰洋意外的所有海洋中。 except prep. 除……之外；除了 except +sth/that 从句 除了…… except for ... 除……之外，侧重于对整体的细节修正 e.g. Everyone is here except Tom. 除了Tom，所有人都在这儿。 The composition is very good except for some spelling mistakes. 这篇文章非常好，除了有一些拼写错误。 =The composition is very good except that there are some spelling mistakes. except 除……之外没有…… except for 除……之外 but 除……之外 besides 除……之外还有…… except, except for, but, besides 着重强调在同类人或物中除去一个或几个人或物，表示一种排除关系，有 “减法”之意。 表示对整体主要部分的肯定和对局部的否定，起部分修正作用。 和except的用法基本相同，但着重强调整句的内容，习惯上用于no, nothing, anything等词之后。 在整体中加入一部分，表示一种“累加”关系，有 “加上”之意。 We are all here ___________ Tom. He is a good man _______________ his bad temper. She could do nothing ___________ cry. _____________ milk, we need vegetables. 【语境应用】根据句意完成句子。 1) 除Tom之外，我们都在这里了。 2) 除了脾气有点差之外，他是一个好人。 3) 她除了哭什么都做不了。 4) 除了牛奶，我们还需要蔬菜。 except/but except for but Besides 2. Blue whales can live up to 90 years. 蓝鲸的寿命可达 90 年 。 live up to 达到；符合（期望等）；活到（某年龄等） e.g. He always lives up to his parents’ hope.他总是不辜负父母的希望。 【拓展】同义词 reach 达到（某一数量、程度、年龄等 ）；在表示活到某一年龄时，可与 “live up to” 替换。 Some trees can reach a height of 30 meters. 有些树能长到 30 米高 。 Some people can reach 90 years old. 有些人能活到 90 岁 。 3. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. 当一头蓝鲸在海洋中死去时，它会成为生活在海洋里及海洋周边的多种动物的食物。 e.g. The boy standing there is my brother. 站在那儿的男孩是我弟弟。（可转换为 ） The boy who/that is standing there is my brother. living in and around the sea 整体是现在分词短语作后置定语，修饰前面的animals。相当于定语从句 which/that live in and around the sea。 How well can you do these things? Very well OK Needs work 能够通过阅读提取与蓝鲸相关的关键科学信息（包括体型特征、栖息地、食性、寿命及生态作用），并用表格进行系统整理； 能够以第一人称视角讲科普说明文改写成拟人化的蓝鲸自述，准确转化文中的科学事实； 能够主动学习和了解有关蓝鲸以及海洋生态系统的相关科学知识，理解蓝鲸在海洋生态系统中的重要作用，提高自身的海洋生态保护意识。 Must-do 必做 1.Finish and polish your composition for 3c and submit it in next class. Choose to do 选做 1. Search more information on the Internet about blue whales and think about ways we can do to protect them. Homework Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 Blues 58656.0 $