Unit 1 Section A 1a–2d 课件 2026-2027学年人教版英语九年级上册

该初中英语课件围绕“家乡变化及环境治理”核心主题，通过塞罕坝今昔对比图片、视频及Li Rui家乡照片导入，引导学生观察“过去-现在”差异，搭建从感知变化到描述变化的学习支架，衔接听力理解与口语表达。 其亮点在于融合文化意识与语言能力，以塞罕坝获联合国奖项案例渗透家国情怀，通过Past vs. Present对比表格、听力抓关键词提升信息获取与表达能力。采用任务型教学，如小组讨论环境问题解决过程培养思维品质，手抄报作业促进学习能力。教师可利用丰富素材与评价机制提升教学效率，学生在真实情境中提升语言运用与环保意识。

The Changing World Section A 1a–2d Unit 1 通过本节课的学习，同学们将能： 1. 听懂关于家乡环境变化的对话，获取关键信息；运用所学词汇和句型描述家乡的过去与现在的变化； 2. 掌握听力技巧(抓关键词、听细节)，提升自主学习和合作探究能力；运用所学知识完成基础性和拓展性任务，实现知识迁移； 3. 了解中国乡村环境治理的成果，感受家乡发展带来的变化，增强民族自豪感；树立环保意识，理解保护环境对生 活的重要意义。 Look and share 1. How are these two photos different? 2. Why do you think this place changed so much? 3. How has your hometown changed over time? The first one is a colourful green landscape with a river and lots of trees. The second is black-and-white, dry land with only one tree and two people. In the past, there were small old houses and narrow roads. Now tall buildings and wide roads appear, and people live a much better life. People protected the environment, planted plenty of trees and improved water conditions, so the land turned green again. The Changing World In this unit, you will 1. Talk about how things have changed over time. 2. Discuss how changes have influenced our lives. 3. Find out how changes happened. 4. Explore what you can do for your hometown. The Changing World These two pictures show Saihanba in the past and now. The first picture shows deserted(荒无人烟的) land. The second shows green mountains, trees and a clear blue sky, so it looks much more beautiful. What’s the difference between the two pictures? Free talk before now Watch the video: How much do you know about Saihanba(塞罕坝)? On December 5, 2017, the UN Environment Programme announced at the UN Environment Assembly in Nairobi that builders of China’s Saihanba Forest Farm won the Inspiring Action Award, one of the 2017 Champions of the Earth Awards. It is the UN’s highest environmental honor given by UNEP. 2017 年 12 月 5 日，联合国环境规划署于肯尼亚内罗毕的联合国环境大会上宣布：中国塞罕坝林场建设者斩获2017 年度“地球卫士奖”・激励与行动奖，“地球卫士奖”是联合国环境署颁发的联合国环保最高奖项。 China has changed a lot. beautiful comfortable Housing conditions have improved a lot. Traffic is much more convenient and faster now. communications— simple, slow communications—various, quick, easy Changes in the ways of communication Lead in Has your hometown also changed so much? Today we will learn about the changes in Li Rui’s hometown and how they solved the environmental problems. The photos show changes in Li Rui's hometown over the years. What are the changes? How do they make you feel? 1a The hometown has changed from a dry, sandy place with few plants to a green place with many trees and new buildings. The environment has become much better and more beautiful. I feel surprised and happy. I feel proud of the hometown’s development. I think the changes are great and make life better. Listen to a telephone conversation. Then answer the questions. 1. Why does George call Li Rui? 1b Li Rui: Hello, George. George: Hi, Li Rui. Guess what? My father, Bob, and I are going to visit your hometown. Could you be our guide? Li Rui: Sure! I’d love to! George: Wonderful! You know, my father’s last visit was about 20 years ago. He became a good friend of your grandfather. Li Rui: Grandpa will be so happy. They haven’t seen each other for ages! George: Yes, and my father really wants to see how the place has changed since he last visited. Because he calls Li Rui to ask her to be their guide when he and his father visit her hometown. Li Rui: Hello, George. George: Hi, Li Rui. Guess what? My father, Bob, and I are going to visit your hometown. Could you be our guide? Li Rui: Sure! I’d love to! George: Wonderful! You know, my father’s last visit was about 20 years ago. He became a good friend of your grandfather. Li Rui: Grandpa will be so happy. They haven’t seen each other for ages! George: Yes, and my father really wants to see how the place has changed since he last visited. 1b 2. When did George’s father last visit the place? He last visited the place about 20 years ago. Listen to a telephone conversation. Then answer the questions. Li Rui: Hello, George. George: Hi, Li Rui. Guess what? My father, Bob, and I are going to visit your hometown. Could you be our guide? Li Rui: Sure! I’d love to! George: Wonderful! You know, my father’s last visit was about 20 years ago. He became a good friend of your grandfather. Li Rui: Grandpa will be so happy. They haven’t seen each other for ages! George: Yes, and my father really wants to see how the place has changed since he last visited. 3. What is the relationship between George’s father and Li Rui’s grandfather? 1b They are good friends. Listen to a telephone conversation. Then answer the questions. Li Rui is now showing George and his father around her hometown. Listen to their conversation and complete the table. Past Present • It took to reach the town. • Going to school by bus took nearly ______________ over rough roads. • With the new roads, it takes only ______________. • Going to school takes only . They used to to see a doctor. The town has built a new . They didn’t have any such places for ____________. They now have a down the street. The hills were covered with . They are now covered with ________________. half a day an hour 40 minutes 15 minutes travel far hospital shopping supermarket sand beautiful trees 1c Li Rui: What do you think of your trip so far? Bob: Amazing! When I first visited here, it took half a day to reach the town. Now, With the new roads, it takes only an hour. Li Rui: Yes. When I was a child, the bus took nearly 40 minutes over rough roads to get to school. Now, it takes only 15 minutes. George: Life is much easier! Li Rui: Not only that. We used to have to travel far to see a doctor, but now our town has built a new hospital. Bob: Great! And didn't I see a supermarket down the street? Li Rui: Yes. We didn't have any such places for shopping until 10 years ago. Bob: But the biggest change is on the hills. They used to be covered with sand. Li Rui: And now they have been covered with beautiful trees! Listen again and circle the key information Category Past Now Transportation Medical Care Shopping Environment It took half a day to get to the town; The bus ride to school took nearly 40 minutes on rough roads With new roads, it only takes 1 hour to get to the town; the bus ride to school takes just 15 minutes People had to travel far to see a doctor A new hospital has been built in the town, so seeing a doctor is easy There were no shopping places 10 years ago. The hills were covered with sand The hills are covered with beautiful trees There is a supermarket down the street, so it’s more convenient to go shopping Listen again and fill in the list of Changes in Li Rui’s Hometown. Discuss the changes in 1c. How do you think they happened? 1d Work in groups of four to discuss the changes in 1c. And then discuss: How do you think they happened? Use the following as a model. A: What changes do you see in Li Rui’s hometown? B: The roads are much better now. It only takes an hour to reach the town. A: How about the environment? B: The hills used to be covered with sand, but now they are covered with trees. A: Why did these changes happen? B: The government built new things, and people planted trees. Life is much easier now. Show Time Evaluation (评价机制) 互评 师评 语言表达 内容完整性 逻辑结构 Excellent Great Good 21 Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons. sandstorms water shortage farmland shortage lack of technology Lack of technology (4) – While it slows progress, it is less of an immediate threat than the other problems. Sandstorms (1) – They are the most dangerous, as they destroy farmland, block roads, and harm people’s health directly. Water shortage (2) – Water is essential to all life. Shortage of it endangers people’s lives and crop growth. Farmland shortage (3) – Without enough farmland, people cannot grow food, which threatens their basic living. 2a Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? Bob: I'm amazed by how green your hometown has become! Grandpa: Have you seen the corn fields outside of town yet? Bob: Yeah! They're huge! Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something. Bob: What did you do? Grandpa: We found a small bush. It had long roots that could hold the soil together. We began planting it in sandy areas. The government provided support too. Bob: Wasn't it difficult to plant so many bushes? Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier. They mentioned sandstorms, and farmland shortages. 2b Listen again and fill in the table. How has the environment affected local lives? Past •There used to be all the time, and the _______were getting smaller and smaller. •Locals worked by . Action •Locals found a bush. It had ________ roots that could ________ the soil together. •They began planting it in sandy ______, with the government's support. •They had ____________ to help. Present •The corn fields are . •They have planted many bushes and since then. •There are sandstorms now and the environment is getting . •It has improved local lives. sandstorms fields hand long hold areas machines huge trees fewer better 2c Listen again and answer: How has the environment affected local lives? There are fewer sandstorms now, and the environment is getting better, which makes people's daily lives more comfortable. With a better environment, everyone has become richer and happier. Bob: I'm amazed by how green your hometown has become! Grandpa: Have you seen the corn fields outside of town yet? Bob: Yeah! They're huge! Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something. Bob: What did you do? Grandpa: We found a small bush. It had long roots that could hold the soil together. We began planting it in sandy areas. The government provided support too. Bob: Wasn't it difficult to plant so many bushes? Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier. Discuss how the problems in 2b were solved. A:The area used to be covered with sand. B:What did they do to solve this problem? A:They planted bushes and trees. The land has become… Based on the content from 2b, choose one problem and write a complete 4–5-turn conversation. 2d A: The area used to have sandstorms all the time. B: What did they do to solve this problem? A: They planted bushes with long roots. The roots could hold the soil together. B: Did they get any help? A: Yes, the government gave them support, and later they used machines to plant more. B: Great! Now there are fewer sandstorms. Sample Language points 1. They hadn’t seen each other for ages！他们已经很久没见了！ for ages 意为 “很长时间、许久”,一个 口语化的时间状语短语,属于介词短语，在句中作时间状语,用来表示 “时间很长”,相当于 for a very long time(很久、很长时间)。 for ages = for a long time = for a long period of time 长时间地：表示某事情持续了很长一段时间 例：They haven't talked for ages. = They haven't talked for a long time.他们很久没说话了。 【对点练习】 1.— Why don't you go to the park? — I ________the park for ages. A. haven't been to B. have been to C. went to 2. 我爸爸很久没休息了。 My father hasn't rested _____ ________. A for ages 2. They used to be covered with sand.它们过去常常被沙子覆盖。 （1） be covered with 表示 “被······覆盖”，是被动语态的常用结构，描述主语被某物覆盖的状态。 例：The ground is covered with snow.地面被雪覆盖。 The walls are covered with paintings.墙上挂着画。 （2） used to 表 “过去常常”，后接动词原形，描述过去的状态。 例：He used to play basketball every day.他过去每天打篮球。 【对点练习】 1.The playground _______________ (cover) with rain yesterday. 2.These trees ______________ (cover) with leaves in summer. 3.这座老房子过去常常被绿植覆盖。 The old house ___________________________ green plants. was covered are covered used to be covered with 3. The government provided support too.政府也提供了支持。 support不可数名词，意为 “支持；援助；帮助”。 常见搭配：provide support“提供支持”，强调 “主动提供帮助、援助”，常见于描述政府、机构、个人的援助行为。 例：The government provided support for the poor area.政府为贫困地区提供了支持。 My teacher provided support for my English studies.我的老师为我的英语学习提供了支持。 【对点练习】 1.We should give _________ (support) to our friends when they are in trouble. 2.We all need ______ when we face difficulties. A. a support B. supports C. support D. supporting support C Exercises 一、完成句子 1.过去这个地区被沙子覆盖。 The area _____ ____ _____ _________ ______ sand. 2.政府的支持带来了环境的改善。 The government’s support ________ ________ an improvement in the environment. 3.当我第一次来到这里时，花了一下午时间才到达山脚。 When I first arrived here, it took the whole afternoon _____ ______ the foot of the mountain. 4.在开始的时候，我们用手制作模型。 At the beginning, we made models ______ ______. 5.这些灌木有长长的根，可以固定土壤。 These _______ have long roots that can hold the _____ together. used to be covered with brought about bushes soil by hand to reach 二、短文填空 Last year, our village faced a big 1._____________(沙尘暴). The 2.____________(耕地) was getting smaller because of the 3.________ (含沙的) wind. There was a 4.____________(短缺) of water, and we had a 5.___________(缺乏) of tools to fix the problem. Then the 6.______________(政府) gave us 7.____________(支持). We planted 8.____________(灌木) with long 9.___________(根) to hold the 10.___________(土壤) together. This 11._______________(带来/引起) a big change. Now the 12.__________(崎岖的) hills are green, and we grow lots of 13.____________(玉米/谷物)． sandstorm farmland sandy shortage lack government support bushes roots soil brought about rough corn Homework 1.用 3-5 句话描述自己家乡的一个变化(运用 used to do 和现在完成时)。 2.制作 “家乡变化” 手抄报,包含过去与现在的图片对比、文字描述、环保 标语。 Lavf58.46.101 null 48143.156 eng - 由“英语听力制作专家 7.1”生成 null 67629.805 eng - 由“英语听力制作专家 7.1”生成 null 75911.43 eng - 由“英语听力制作专家 7.1”生成 null 74134.93 eng - 由“英语听力制作专家 7.1”生成 $