Unit 8 A green world (Welcome to the unit) 课件 2025-2026学年译林版八年级英语下册

该初中英语课件围绕“A green world”主题，聚焦污染类型、影响、成因及减排方法。课堂导入通过Lead-in环节的回收标志图片直观引入，以“Think green→Go green→Be green”为脉络，结合表格梳理、对话示例等学习支架，帮助学生构建知识体系。 其亮点在于任务驱动式设计，融合语言能力（对话练习与句型运用）、思维品质（Further thinking分析家乡污染问题）和文化意识（“OnlyOneEarth”标语增强环保责任感）。通过污染类型对比表格、对话模板及海报制作作业，学生提升语言运用与环保实践能力，教师可依托结构化资源高效教学。

Unit 8 A green world (Welcome to the unit) 页面统一为16:9宽幅画面比例尺寸；PPT统一格式为PPT或PPTX。 英文 1.课名：字体以Times New Roman为主，字号一般使用32—36号，特别强调可以用40号； 2.（Period 1）：字体使用Arial，字号为28； 3.正文一般用24—28号，特别强调可用32号。 注意标点的规范（例如：中文省略号为……，可用Shift+数字键6打出中文省略号，英文省略号为…） 1 Lead-in A green world Think green Go green Be green Types of pollution soil pollution The soil is polluted. air pollution The air is polluted. water pollution The water is polluted. pollute our natural environment much noise around noise pollution pollute our sound environment Types of pollution Influence of pollution soil pollution air pollution water pollution noise pollution grow bad food kill tiny soil life pollute water be bad for health cause smog harm nature poison drinking water kill water animals harm the food chain hurt our ears cause stress scare animals Brainstorming 7 Cutting down cars Smoke from factories Wastewater Ways to reduce pollution Type Causes Influence Solutions Air pollution Burning of unclean fuels Smoke from factories Be bad for health Cause smog Harm nature Water pollution Chemicals poured into rivers and lakes Waste water Poison drinking water Kill water animals Harm the food chain Listen to the tape and find the solutions. Share a ride, take the bus or ride a bike Plant more trees Use more eco-friendly cleaning products Travel green Ways to reduce pollution Discuss and find more ways to reduce pollution. Type Solutions in daily lives Air pollution Water pollution Soil pollution Noise pollution Travel green Plant more trees Use more eco-friendly cleaning products Stop burning things Save water e.g. take shorter showers Never throw rubbish or cooking oil into rivers Recycle and separate waste Deal with used batteries properly Use reusable bags Turn down the music or TV Don’t shout in public Choose quiet activities at night Ways to reduce pollution Make up a dialogue to talk about reducing pollution. A: What can we do to reduce ...? B: It’s a good idea to ... A: I agree. I think we can also... B: Yes. And what can we do to reduce...? A: We can... B: Excellent! To give advice: Why don’t we do …？ How/What about doing ...? It’s a good choice to do... One idea is to do... We had better do... What we can do is to do... Ways to reduce pollution Make up a dialogue to talk about reducing pollution. A: What can we do to reduce soil pollution? B: It’s a good choice to recycle and separate waste. A: I agree. What about using reusable bags? B: Great. And what can we do to reduce noise pollution? A: We had better choose quiet activities at night instead of being too loud to make too much noise. B: Excellent! Your everyday choices make a difference! Further thinking Which type of pollution is the biggest problem in your hometown? Please explain. A possible version: In my hometown, air pollution is the biggest problem. Many factories give out black smoke. Also, there are too many cars on the roads. Their exhaust makes the air dirty. On foggy days, we can’t see far and my throat feels bad. Every action counts. Save our planet. Homework Must do Talk about the causes and influence of different types of pollution and the ways to reduce it, using the language we learn today. Choose to do Make a poster to call on people to protect the earth. 15 EVCapture5.0.1软件录制 Lavf58.46.101 本视频由湖南一唯信息科技开发的EV录屏软件录制，www.ieway.cn Blues 89444.18 Blues 52061.32 $