Unit 4 Amazing Plants and Animals Section B(3a-Reflecting)-【一本】2025-2026学年新教材八年级英语上册教学课件（人教版2024）

初中英语 八年级上册　RJ版 练 新 题， 提 素 养 新教材 · 新课件 · 新服务 Unit 4 Amazing Plants and Animals Section B How are plants and animals connected with us? Reading & Writing 3a-3c+Project 4a-4d+Reflecting 学习目标 1. 能够了解蓝鲸，通过分析了解到改写的注意点； 2. 能够通过各种写作活动，锻炼自己的写作能力； 3. 能够了解并谈论动植物和人类的连接及在生态系统中的重要性； 4. 了解了解生物蓝鲸对于生态系统的重要性，从而进一步了解动植物对于生态系统的重要性。 Reading & Writing 3a-3c Section B 01 Watch the video 1 Lead-in Think and say What does this video talk about? 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans 6 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 8 3 While-reading Part 1. 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 Importance in nature 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. Part 2. Read and learn 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 /ˈəʊʃn/ n. 大海；海洋 /ɪkˈsept/ prep. 除……之外；除了 tiny /ˈtaɪni/ adj. 极小的；微小的 Part 2. Read and learn 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 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 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 ________________________________________________________ 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. around four tons of them a day 4 Post-reading(Writing) Part 1. 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 Observe and think 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 amount of food eaten preference How to use the first person to rewrite the second paragraph? points lifespan role /function importance Be careful! Write your article according to the information mentioned above. Pay attention to your spelling and structure. Checklist Self-evaluation Peer-evaluation Teacher-evaluation Clear structure Topic sentence More relative information Right linking words Right grammar Right spelling Good handwriting Great Good Try harder Now, you can exchange your writings with your partners to check each other’s writing. Come on! Who wants to share your writing? Don't be shy! Just have a try! 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 helps to create a lively and healthy ecosystem. I play an important role in our world, so you must protect me. For example second paragraph 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. Project 4a-4d Section B 02 Work in groups. Choose or create the title of your poster. 4a Collect pictures and find out information about the plant or animal that you chose. 4b 1. What is its name? Its name is sunflower. 2. Where does it live / grow? It mainly grows in sunny fields, meadows and farmlands in temperate and tropical regions. It needs plenty of sunlight to thrive. 3. Why did you choose it? I chose it because its bright yellow petals always face the sun, which gives people a feeling of warmth and vitality. It also symbolizes optimism and positive-ness. 4. What are some interesting facts about it? Some interesting facts about sunflowers: First, the head of a sunflower is actually made up of thousands of tiny flowers. Second, sunflowers can track the movement of the sun across the sky during the day, a phenomenon called heliotropism. Third, sunflower seeds are not only a popular snack but also an important source of oil. Make your poster. 4c Present your poster in class. Then vote for the best one. 4d The Best Group The Best Group What can magical animals bring to us? They can spark our imagination and make us realize the wonders of nature. Section B 03 Reflecting 1. What amazing plants and animals did you learn about in the unit? 2. When do you use the superlative forms of adjectives and adverbs? 3. Can you describe some amazing plants or animals in the world? 4. How are we connected with plants and animals? Reflecting Summary Section B 04 Summary New words Project ocean; except; tiny; lively Make a poster about a plant or an animal Use the first person to rewrite the second paragraph (1) 人称: 由第三人称变成第一人称 (2) 语言: 个别句子需要变化结构 (3) 内容要点: 要点不能省略或者遗漏。 Reading & Writing Expressions live up to Section B 05 Homework Homework 1. Finish and polish your composition for 3c and submit it in next class. 2. Recite the key words and sentences of this lesson. 3. Finish Exercise Unit 4 第5课时. 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