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

该初中英语课件围绕“家乡与环境变化”主题，核心知识点为用used to对比过去与现在，掌握相关词汇及讨论变化影响。课堂导入通过Predict预测主题、图片今昔对比、问题链引导，搭建从观察到思考的学习支架，衔接听力理解与口语表达活动。 其亮点在于融合语言能力、文化意识与思维品质培养，通过音频对话训练信息抓取，思维导图呈现变化原因讨论，小组合作分析环境问题解决措施。学生在对比描述中提升语言技能，增强家乡自豪感与环保意识，教师可借助清晰目标与多样活动提升教学效率。

Unit 1 The Changing World UNIT 1 In this unit, you will talk about how things have changed over time. discuss how changes have influenced our lives. find out how changes happened. explore what you can do for your hometown. Look at the title and the photo. What do you think this unit will talk about? What brings about changes? BIG Question ? The Changing World How are these two photos different? The big photo shows a beautiful green place with a river running through green fields. There are many trees and plants too. The old black-and-white photo shows the same area with almost no trees or grass. 2. Why do you think this place changed so much? I think this place changed so much because people took good care of it. They planted many trees and protected the river. With their hard work, the environment became better and better. 3. How has your hometown changed over time? My hometown has changed a lot. Ten years ago, there were few tall buildings and the roads were narrow. Now, many new buildings have been built and the roads are much wider. The environment is cleaner and there are more parks. What brings about changes? BIG Question ? Transportation (roads, cars, subway) People’s lives (jobs, food, living standards) Buildings (houses, schools) Environment (trees, parks, rivers) … Section A What changes have taken place around you? (1a — 2d) 9 能够听懂关于 “家乡今昔对比” 的电话对话和介绍，获取关键信息；掌握与 “家乡变化” 相关的核心词汇与短语； 能完成听力表格填空题，准确抓取过去(Past)和现在(Present)的细节差异； 能根据图片描述家乡的变化，用used to和对比句清晰表达自己的感受；能参与小组讨论，描述自己家乡或身边的变化，并简单分析变化的原因； 能够在交流中感受社会发展带来的进步，培养对家乡的热爱与自豪感。 (1a-1d) 听懂并运用 used to / now 对比过去与现在的环境变化，掌握相关词汇； 通过听力获取关键信息，完成表格填写； 能分析环境问题并讨论解决措施； 通过学习，关注生态保护，形成环保意识。 (2a-2d) What can you see in the left picture? What about the right picture? How do you feel about these changes? In the left picture, there was/were ... In the right picture, there is/are ... It used to be ..., but now it is ... The photos show changes in Li Rui's hometown over the years. What are the changes? How do they make you feel? The photos show big changes in Li Rui's hometown. In the past, the land was dry and there were few trees. Now, the place is full of green trees and grass. It has become much greener and more beautiful. These changes make me feel amazed and happy. It's wonderful to see the environment become so much better. I feel proud of the people who made this happen. Listen to a telephone conversation. Then answer the questions. Listen carefully for names, time expressions, and reasons. 1. Why does George call Li Rui? 2. When did George's father last visit the place? 3. What is the relationship between George's father and Li Rui's grandfather? Because George and his father are going to visit Li Rui's hometown, and he wants Li Rui to be their guide. 1. Why does George call Li Rui? About 20 years ago. 2. When did George's father last visit the place? They are good friends. 3. What is the relationship between George's father and Li Rui's grandfather? 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. 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 40 minutes an hour 15 minutes have to travel far hospital shopping supermarket sand beautiful trees Li Rui: What do you _________ your trip so far? Bob: Amazing! When I first visited here, it _______ 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 ___________ to get to school. Now, it takes only 15 minutes. George: Life is much _________ ! Li Rui: Not only that. We _________ have to travel far to see a doctor, but now our town _________ a new hospital. Listen again and fill in the blanks. think of took rough roads easier used to has built Bob: Great! And didn't I see a supermarket down the street? Li Rui: Yes. We didn't have any such places for shopping _____ 10 years ago. Bob: But the biggest change is on the hills. They used to ____ __________ sand. Li Rui: And now they have been covered with beautiful trees! until be covered with 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. 过去常常做某事（但现在不做了） 询问对方对某事的看法 It takes (sb.) + 时间 + to do sth.做某事花费某人多少时间 不仅如此（用来补充更重要的信息。） 崎岖的道路 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! 被……覆盖 沿着街道往下 1. How do you think these changes happened? 2. What brought about the changes? (new roads, better economy, government support, technology...) Work with your partner and act it out. George is visiting Li Rui’s hometown for the first time. Li Rui shows him around and tells him how it was in the past. In the past, people used to ... But now we have ... The biggest change is ... Can you believe that ... ? Discuss the changes in 1c. How do you think they happened? I think the changes happened because ... In my opinion, ... Some changes are good, but ... What do you see? What words come to your mind? sand, wind, storm, dry, poor, difficult, dirty… What problems will they cause? Extreme / bad weather conditions; food and water shortages; challenging living environment. Read the following problems from 1 to 4, with 1 being the worst. Give your reasons. sandstorms water shortage farmland shortage Lack of technology I think … is the worst because … 29 What is the conversation about? Who are the speakers? (George’s father and Li Rui’s grandfather) What problems from 2a do you think they will mention? 30 Listen to the conversation between George's father and Li Rui's grandfather. What problems in 2a did they mention? sandstorms difficult environment farmland shortage Lack of technology 31 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 works 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. sandstorms fields  hand long hold areas machines 32 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. huge trees fewer  better 33 Listen again. Answer the following questions. What happened to the fields before people took action? 2. Why did people decide to plant that specific bush? They were getting smaller and smaller. Because it had long roots that could hold the soil together. 3. How did the government help? 4. What are two positive results mentioned at the end? The government provided support. Fewer sandstorms / better environment / everyone has become richer and happier.  I’m __________ (amaze) by how green your hometown is now. 2. We __________ (plant) many bushes and trees since then. 3. There __________ (be) fewer sandstorms now than before. 4. It was difficult __________ (plant) so many bushes at the beginning. 5. The government provided support __________ (help) us. amazed Listen again and fill in the blanks according to the conversation. have planted are to plant to help Bob: I'm amazed by how green your hometown has become! Grandpa: Have you seen the corn fields outside of the 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. be amazed by对……感到惊讶 一直 决定做某事 提供支持 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. 手工劳作 从那以后 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 ... lack of technology → get government support? used to, now, because, so, solve the problem 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 greener. If you were a local villager, introduce the environmental changes to the tourists. Twenty years ago, there used to be … We had to … But now, … We have planted … The environment is much … 带来变化 与过去不同 影响某人的生活 随着时间的推移 发生 多年来 带某人参观…… 崎岖的道路 过去常常做某事 被……覆盖 你觉得……怎么样？ bring about changes be different from the past influence one’s life over time take place over the years show sb. around… rough roads used to do sth. be covered with How do you like…? 困难的环境 耕地短缺 技术缺乏 一直，始终 手工劳作 保持土壤不流失 在政府的支持下 变得更好 改善当地生活 种植灌木和树木 difficult environment farmland shortage lack of technology all the time work by hand hold the soil together with the government’s support get better improve local lives plant bushes and trees I can 听懂关于 “家乡今昔对比” 的电话对话和介绍，获取关键信息；掌握与 “家乡变化” 相关的核心词汇与短语。 完成听力表格填空题，准确抓取过去（Past）和现在（Present）的细节差异。 根据图片描述家乡的变化，用used to和对比句清晰表达自己的感受；能参与小组讨论，描述自己家乡或身边的变化，并简单分析变化的原因。 在交流中感受社会发展带来的进步，培养对家乡的热爱与自豪感。 I can 听懂并运用 used to / now 对比过去与现在的环境变化，掌握相关词汇。 通过听力获取关键信息，完成表格填写。 分析环境问题并讨论解决措施。 通过学习，关注生态保护，形成环保意识。 完成课本2d的对话，并写下来。 预习3a-3d和生词。 复习本课关于关于环境变化的相关词汇表达及对话。 85081.305 $