Unit 8 课时1 Welcome to the unit（课件）英语新教材译林版八年级下册

该初中英语课件围绕“环保”主题，聚焦常见环境问题及应对措施，通过世界环境日图片提问、视频观看导入，引导学生观察污染现象并分析成因，搭建“问题-原因-措施”的学习支架，衔接后续污染类型（空气、土壤等）及应对措施的系统学习。 其亮点在于以任务驱动融合语言能力与思维品质培养，如提供对话示例引导学生创编环保对话，提升语言表达；结合生活实际讨论减少污染措施（如分类垃圾、公共场所不大声喧哗），增强社会责任感（文化意识）。结构清晰，助力学生掌握环保词汇句型，培养环保行动意识，便于教师高效教学。

In the universe are billions of galaxies. in our galaxies, billions of plants. but there is only one earth. For most of our history, humans lived in hommony with nature. but we have shattered that baLance. exploiting our planet for products and wealth, creating a climate coastal py, driving species distinction . and putting our land, sea and air. The wave of life is fame. If IT feels we, as the spaces will fail . to the size is clear and time is running out. we must go . from harming our planet to healing IT. We must protect what we have and bring back what we lost to advance to a more sustainable future where everyone, everyone can thrive. Humanity has come together before to prevent environmental pacifies. We have helped repair the ozone that we've restored. millions of hectares of land and marino systems protecting thousands of species. And we've ban dangerous pollutants. saving countless ous lives. Let those Victors be the torches that the more action. And in the world in which we are once again at peace with . in the universe are billions of galaxies, and our galaxy are billions of colts. But there . is . only . one只有一个地球。有留恋你，我在这。 Unit 8 A Green World 译林版八年级下册 Welcome to the unit Learning Aims 识别常见环境问题及对应举措，读懂学生环保行动主题对话并提取核心信息。掌握对话中的环保词汇和相关的句型用法。（学习理解） 01 运用所学词汇和句型，模仿示例对话结构，创编简短的学生环保行动对话。结合生活实际，用英语列举至少 3 条个人可践行的环保行为并说明理由。（应用实践） 02 思考个人环保行动的社会意义，在生活中践行环保举措并尝试用英语记录。（迁移创新） 03 Contents Lead-in 1 Presentation 2 Practice 3 Exercises 4 Homework 5 01. Lead-in Lead-in What can you see in this picture? What is the logo about? World Environment Day What do you know about World Environment Day? Let’s enjoy a video. Lead-in Lead-in Why do we set up World Environment Day? air pollution soil pollution noise pollution water pollution What are the causes of these kinds of pollution? 02. Presentation Presentation air pollution What are the causes of these kinds of pollution? factory smoke car exhaust(废气) burning coal and oil forest fires Presentation soil pollution What are the causes of these kinds of pollution? factory waste too many farm chemicals rubbish heavy metals Presentation noise pollution What are the causes of these kinds of pollution? traffic noise factory machines building work noise loud music and parties Presentation water pollution What are the causes of these kinds of pollution? dirty water from factories dirty water from homes farm chemicals oil leaks(泄露) Presentation How can we help reduce pollution? Presentation Presentation Air pollution Water pollution 1. ___________to school with others. 2. Take_______. 3. ______________. 4. Use less_____________. 1. Use _______________ cleaning products. Share a ride the bus Plant more trees air conditioning more eco-friendly 03. Practice Practice Discussion: How can we help reduce soil pollution and noise pollution? sort garbage correctly put old batteries in harmful waste bins plant trees and grass in school never litter when playing outdoors don’t shout loudly in public places use headphones when listening to music tell friends not to play noisy toys make posters to tell others noise is harmful Practice Let’s make new dialogues 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! 04. Exercises Exercise 1. Dr James often explains the ______ (化学的) questions to us patiently. 2. The world-famous engineer is busy designing a new type of ______ (环保的) bicycle. 3. The plane will have larger wings and burn less ______ (燃料). 4. It is believed that we'll plant more trees to stop the ______ from losing. 5. To avoid hitting the ______ , he ran into the wall and his arm was badly hurt. 05. Homework Homework 1. 朗读对话，尝试用英文表达你对于减少污染的看法。 2. 背默四会词，并完成相应练习。 3. 预习Reading部分 Thank you EVCapture5.0.1软件录制 Lavf58.33.100 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 $