Unit 4 课时6 Section B 3a-3c（教学课件）英语新教材人教版八年级上册

该初中英语课件围绕“蓝鲸”核心主题，通过视频导入引出“地球上最大哺乳动物”话题，结合Pre-reading问题激活已知，再引导学生阅读文本提取体重、栖息地等科学事实并完成表格，搭建从信息输入到写作输出的学习支架。 其亮点在于融合语言能力、思维品质与文化意识培养，如视频与文本结合提升语言理解与提取能力，第一人称改写任务训练思维转换与表达，鲸落讨论增强海洋保护的社会责任感。采用任务型教学与评价表，助力学生提升语言运用与逻辑思维，为教师提供清晰教学路径与实践工具。

Unit 4 Amazing plants and animals 第6课时 Section B 3a-3c 课型：写作课 Learning Objectives In this lesson, you will: 【学习理解】 Extract key scientific facts about blue whales and organize them systematically in a table. 【应用实践】 Rewrite the expository text into a first-person self-introduction, accurately converting scientific facts. 【迁移创新】 Learn about marine ecosystems and blue whales' role; enhance awareness of ocean protection. Watch the video What does this video talk about? Lead-in 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 4 Watch the video Introduction What do you know about the blue whale? marine mammal biggest animal endangered species Place: deep ocean Food: krill（磷虾） ... Pre-reading 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 6 Read the text and complete the table. 3a 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. 在地球上 多达，达到……之多 n. 大海；海洋 prep. 除……之外；除了 adj. 极小的；微小的 3a Read the text and complete the table. 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. live up to活到……岁；达到……的寿命 adj. 精力充沛的；生机勃勃的 扮演一个重要的角色 Blue whale facts Weight Where they live Food How long they live Importance in nature as much as 200 tons in all oceans except the Arctic Ocean some of the tiniest animals in the ocean up to 90 years When a blue whale dies, it becomes food for many animals and it helps to create a lively and healthy ecosystem. When a whale dies and sinks, it becomes a whale fall – like an underwater buffet(自助餐) for deep-sea creatures! Think and Share How do you feel about the whale fall? What can you learn from the whale fall? Amazing, magic, unbelievable, sad but hopeful... Whales eat tons of food when alive, but their bodies feed the deep sea after death. That’s nature’s perfect balance! Imagine you are a blue whale. Use the first person to rewrite the first paragraph. Hello everyone! My name is Billy the Blue Whale. I am ______ ___________________________________________________ _________I'm heavy, but I _____________________________ ___________________________________________________ ________________I live in_____________________________ I can eat ___________________________________________. the largest and heaviest animal on earth. I can weigh up to 200 tons. love swimming in the ocean freely. all oceans except the Arctic Ocean. around four tons of food a day. Humans often say watching me swim is one of the most beautiful sights in the ocean. 3b Complete your passage about the blue whale based on the text in 3a. 写作指导 文本体裁 话题分析 要求完成段落的改写，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。 3c What should we mainly pay attention to when rewriting an article? 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 preference（喜好） Observe and think How to use the first person to rewrite the second paragraph? points lifespan role /function importance Write your article according to the information mentioned above. Pay attention to your spelling and structure. Be careful! Checklist Self-evaluation Peer-evaluation Teacher-evaluation Clear structure Topic sentence More relative information Right linking words Right grammar Right spelling Great Good Try harder Now, you can exchange your writings with your partner to check each other’s writing. 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. I play an important role in our world, so you must protect me. Example Language Points 1. 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（某一年龄、岁数等） 例如： He always lives up to his parents' expectations. 他总是不辜负父母的期望。 【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 。 Language Points 2. 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。 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。相当于一个定语从句 which/that live in and around the sea。 例如： The boy standing there is my brother. 站在那儿的男孩是我弟弟 standing there修饰 the boy，可转换为 The boy who/that is standing there is my brother. Why should we protect animals and plants? Because they are our friends and they help keep the balance of nature. 一、完成句子 1.他一直努力达到父母的期望。 He is always trying his best to _____ ____ _____ his parents' expectations(期盼). 2. 二十四节气在中国文化中起重要作用。 The 24 solar terms _____ ____ _________ _________ _____ Chinese culture. 3.假如鸟吃了有病的或死的鱼，它们可能会相继死去。 If the birds eat the sick or dead fish, they may ________ ________. live up to play an important part/role in die off Exercise 4.这个有趣的部分才持续了半个小时。时间真短啊! This interesting part only ________ ________ half an hour. ________ ________ it was! 5.有了灯泡，人们可以在夜里做和白天一样多的事情。 With light bulbs, people can do _____ ______ ______ in the evenings ________ they can in the daytime. lasted for How short as many things as Exercise I am a blue whale. I am the largest and 1. _______ (heavy) animal on earth. I can weigh as 2. _______ (much) as 200 tons. Many people like watching me 3. _______ (swim), and they think I am one of the 4. _____________ (beautiful) things to see. I live in all oceans except the Arctic Ocean. I eat a lot, but I eat some of the 5. _______ (tiny) animals in the ocean. I can eat around four tons of these a day. I can live up 6. _____ 90 years. When I 7. _______ (die) at sea, I become food for many kinds of animals 8. ______ (live) in and around the sea. This food lasts for over a year and it helps create a lively and 9. ______ (health) ecosystem. I play 10. _____ important role in your world, so you must protect me. heaviest much swim most beautiful tiniest to dies living healthy an Thanks for listening! Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $