Unit 13 Section A (2a-2d)（讲解课件）-【优翼·学练优】2025-2026学年九年级英语下册同步备课（人教版）

该初中英语课件围绕Unit 13环保主题，涵盖coal、plastic等核心词汇及“The air has become really polluted...”等重点句型，通过视频导入和自由讨论激活学生经验，搭建“感知污染问题-理解对话内容-应用环保方法”的学习支架，衔接听力、阅读与角色扮演活动。 其亮点在于融合语言能力与思维品质培养，如听力辨析污染类型、角色扮演对话提升语言运用，Think-Pair-Share活动引导分析环保措施。语言点用表格对比cost等易混词，结合视频模仿发音强化学习能力。学生能提升环保意识与语言技能，教师可直接使用多样化活动提升教学效率。

优翼英语教学课件（RJ） Go for it! 九年级（下） 1 Section A (2a-2d) Unit 13 We’re trying to save the earth! Learning Goals Key words & phrases: coal,ugly, advantage, cost,wooden, plastic, takeaway,bin. Key sentences: 1. The air has become really polluted around here. 2. Our actions can make a difference and lead to a better future! To think about ways of protecting the environment. Words & Expressions coal ugly advantage cost n. 煤；煤块 adj. 丑陋的；难看的 n. 优点；有利条件 v. 花费 n. 花费；价钱 Let's read Words & Expressions wooden plastic take away bin adj. 木制的；木头的 adj. 塑料的 n. 塑料；塑胶 n. 外卖食物 n. 垃圾箱 Let's watch a video ! Warming-up Free talk How do you feel after watching the video? What can we do to heal the world in our daily life? Presentation 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution While-listening 2b Listen again and complete the sentences. 1. The air is badly polluted because there are _____________ on the road these days. 2. Factories that burn coal also ___________ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People ________________ things every day. 4. People are also littering in ________________ like parks. This is turning beautiful places into ugly ones. more cars pollute are throwing away public places While-listening Listen and read. Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems you’ve seen? Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore. Susan: Yes, and I used to see the stars clearly. Interviewer: What do you think has caused this problem? Susan: Well, there are more cars on the road these days. Let's read While-listening Jason: And factories that burn coal also pollute the air with a lot of black smoke. Interviewer: What other problems do you see? Susan: I guess there’s too much rubbish and waste in the streets. Jason: Yes! Every day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags. coal n. 煤；煤块 wooden adj. 木制的；木头的 plastic adj. 塑料的 n. 塑料；塑胶 Susan: They’re also littering in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones. Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we can do to help. ugly adj. 丑陋的；难看的 Post-listening 2c Use the information in 2a and 2b to role-play conversations between Jason and Susan. The air has become really polluted around here. I’m getting very worried. Yes, I used to be able to see stars in the sky. The problem is that ... We should walk, ride a bike, take the bus or subway instead of driving. What are your ideas for solving the problem of air pollution? instead of 代替；而不是 We should plant more trees. What are your ideas for solving the problem of air pollution ? Use your own chopsticks when you buy takeaway food. takeaway n. 外卖食物 What are your ideas for solving the problem of waste pollution? We should bring a bag when we go shopping. We shouldn’t use plastic bags and throw them everywhere. What are your ideas for solving the problem of waste pollution? We should throw rubbish in the（right）bins. bin n. 垃圾箱 What are your ideas for solving the problem of waste pollution ? 2d Role-play the conversation. While-reading Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost anything! Interviewer: Great ideas! What about waste pollution? While-reading Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home. Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make a difference and lead to a better future! Post-reading Read the conversation in 2d and fill in the chart below. Pollution Ways to solve the problem Air pollution Waste pollution Ride a bike, take the bus or subway instead of driving. Bring a bag to go shopping. Don’t take wooden chopsticks or plastic forks when you buy takeaway food. Throw rubbish in the bins. Post-reading What did you learn from the conversation? What other things can we do to protect our environment? Think-Pair-Share Let's watch a video ! Try to imitate the pronunciation and intonation. Language Points 1. There are other advantages of bike riding. (教材P98 2d) advantage /ədˈvɑːntɪdʒ/, /ədˈvæntɪdʒ/ n. 优点；有利条件 advantage作名词，其反义词为disadvantage“缺点；不利条件”。 take advantage of... 意为“利用……”。 Before making your decision, you should consider the advantages and disadvantages. When possible, take advantage of this time to enjoy the nice weather. 2. It’s good for health and it doesn’t cost anything! (教材P98 2d) cost /kɒst/, /kɔːst/ v. 花费 cost在此处作动词，其过去式和过去分词均为cost。 The watch cost me 200 yuan. 【拓展】cost还可作名词，意为“花费；价钱”。 Could you tell me the cost of the trip? 【易混辨析】cost, spend, take与pay 例词 主语 宾语 常用结构 cost 物 金钱 sth. cost(s) (sb.) some money 某物花费(某人)多少钱 spend 人 时间或金钱 sb. spend(s) some time/ money on sth.某人花费时间/金钱在某事/物上 sb. spend(s) some time/ money doing sth. 某人花费时间/金钱做某事 take 常用it作形式主语 时间 it takes sb. some time to do sth.做某事花费某人多长时间 pay 人 金钱 sb. pay(s) some money for sth.某人为某物付费 Exercises 一、单项选择 1.— There are a lot of ______ of bike riding. — I agree. It’s good for the environment and it saves money. A. instructions B. instruments C. advantages D. products 2.My teacher has given me useful suggestions and I want to thank him from the _______ of my heart. A. bottom B. condition C. way D. surface A C 二、根据汉语提示完成句子 1.为了孩子们的发展，应该减少他们周末的学习课程。(cut) For children’s development, their courses on weekends should ____ ____ ______. 2.我们的行动会产生很大的影响。 Our action will ______ ____ ____ _________. 3. 他们打算骑自行车，而不是开车。 They’re going to ride a bike _______ _____ driving a car. 4. 每个人都应该在环保方面发挥作用。 Everyone should____ __ _____ ___the environmental protection. make a big difference instead of be cut down play a part in Homework Preview the passage in 3a. Do the exercises in students’ book. Thank you! 本文件著作权为创作公司所有, 仅限于教师教学及其他非商业性和非盈利性用途。如发现盗用、转卖、网络传播等侵权行为, 本公司将依法追究其相应法律责任。 部分素材选自网络, 如有争议, 请联系删改。 声 明 $