Unit 1 The Changing World Section A 1a-2d 课件 2026-2027学年人教版九年级英语上册

该初中英语课件围绕“家乡变化”主题，核心教授“used to do”结构及过去与现在对比表达，通过图片对比、BIG Question提问导入，以词汇学习、句型练习、听力对话、讨论活动为脉络，搭配对比表格、对话模板等支架，帮助学生逐步掌握相关语言知识。 其亮点在于以“访问前-中-后”情境任务链整合教学，通过听力捕捉关键信息提升语言能力，讨论变化原因培养思维品质，自评互评表格优化学习能力。例如用对比表格梳理交通等变化，语法填空巩固知识点，助力学生综合运用语言，教师可高效开展情境化教学。

Thanks for your suggestions. Now my dad and I have already arrived in Louise hometown. We're talking about how her hometown has changed. Unit 1 The Changing World Section A 1a-2d What changes have taken place around you? 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 1. Language Ability Master core words; grasp the structure used to do to make past-present comparisons. Understand listening materials, fill in forms and talk about hometown changes fluently. 2. Thinking Quality Train skills of comparison, summarization and logical thinking. View development and environmental problems in a rational way. 3. Learning Ability Use effective listening strategies to catch specific information in conversations and reports.Organize ideas in a clear structure using the book report template for writing practice. 4. Emotional Attitude Master effective listening skills. Improve abilities of group cooperation and oral expression. learning objectives 人与社会→社会变迁，科技发展/ 人与自然→环境治理/ 人与自我→个人成长变化 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 In this unit, you will： 1. talk about how things are different from the past. 2. discuss how changes have influenced our lives. 3. find out how changes happened. 4. explore what you can do for your hometown. v. & n. 影响 /ˈɪnfluəns/ v. 探索；探究 /ɪkˈsplɔː(r)/ What brings about changes? ? BIG Question 带来；引起 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 What brings about changes? ? BIG Question Look and share： 1. How are these two photos different? 2. How has this place changed over time? 3. Why do you think this place changed so much? The small old photo is bare and dry. It used to be empty and lifeless. Now it has become a lively, green and beautiful place. Because people protected the environment and planted lots of trees here. /beə(r) /光秃秃的 The new one is covered with thick green plants. 被……覆盖 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 If you were a reporter, what would you ask him after he visited China? 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Mr. President Trump, what do you think of China after your visit? It’s great, China is beautiful 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 1. China’s economy is very strong and amazing. 中国经济非常强劲、了不起 。 2. China is a great leader in innovation and AI. 中国在创新和人工智能领域领先 。 3. The Chinese market is huge and full of chances. 中国市场巨大、充满机遇。 4. Chinese people love new technology very much. 中国人非常热爱新技术 。 5. They want to work more with China. 他们希望和中国开展更多合作。 6. China’s future development looks very good. 中国未来发展前景很好 。 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Step1 Before the visit 访问中国前 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 1a The photos show changes in Li Rui’s hometown over the years. What are they? How do they make you feel? Li Rui Li Rui,Here is a photo of your hometown that my father took 20 years ago George, let me show you what my hometown looks like now. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 The photos show changes in Li Rui’s hometown over the years. What are they? How do they make you feel? 1a Changes Feelings dry few trees sandy land terrible green rich land lively beautiful amazed proud happy Check the answers like this: In the past, Li Rui’s hometown used to be . There were . But now, it . The great changes make me feel . /ˈsændi/ adj.铺满沙子的；含沙的 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Listen to a telephone conversation. Then answer the questions. 1b How amazing it is! I want to visit my friend’s hometown with my father. Before visiting, let’s give her a call. 1. Why does George call Li Rui? 2. What is the relationship between George’s father and Li Rui’s grandfather? 3. When did George’s father last visit the place? Tips: While listening, write down the key words. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Listen to a telephone conversation. Then answer the questions. 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. 1. Why does George call Li Rui? 2. What is the relationship between George’s father and Li Rui’s grandfather? 3. When did George’s father last visit the place? He calls Li Rui to ask her to be their guide when he and his father visit her hometown. Good friends About 20 years ago 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 They will get to China by plane. Transportation suggestions 1.How will they get to China? 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Maybe they will get to Li Rui’s hometown by high-speed train. Maybe they will get to Li Rui’s hometown by car. 2.How will they get to Li Rui’s hometown? Transportation suggestions 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Step2 During the visit 访问中国期间 Li Rui is now showing George and his father around her hometown. Listen to their conversation and complete the table. 1c 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Predict Other changes in Li Rui’s hometown rough roads new roads travel far to see a doctor new hospital In the past... But now... 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Predict Other changes in Li Rui’s hometown no places for shopping supermarket covered with sand covered with trees In the past... But now... 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Li Rui is now showing George and his father around her hometown. Listen to their conversation and complete the table. 1c Past Present • It took _________ to reach the town. • Going to school by bus took ______________ 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 ____________ for shopping. They now have a ___________ down the street. The hills were covered with ______. They are now covered with _____________. nearly 40 minutes half a day an hour any good places travel far 15 minutes sand beautiful trees supermarket hospital 过去常常 沿街=along the street 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Li Rui is now showing George and his father around her hometown. Listen to their conversation and complete the table. 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 the 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 good 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! Transportation Medical care Shopping Environment The hometown has become a more convenient, healthier and greener place. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Discuss the changes in 1c. How do you think they happened? 1d Environment Transportation Shopping Medical care ... A: What changes have taken place in our hometown? B: It used to ____, but now it ____. A: How do you think they happened? B: Because ... Hometown ... Government support Hard work Developing economy New technology ... 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 What difficulties did the people face in the past? There used to be . The environment is . Because of lack of technology,people worked by . Lots of villagers worked together to plant bushes and on dry land. sandstorms terrible trees hand /ˈsændstɔːm/ n.沙尘暴 /bʊʃ/ n.灌木 /læk/ n.缺乏 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons. 2a sandstorms difficult environment farmland shortage lack of technology - - - - I think… is the worst because… They pollute air, hurt people’s eyes and lungs, and destroy farmland. Shortage of water and pollution are bad for people’s life. Food comes from farmland. Less farmland will lead to food shortage. Even if technology is not advanced先进, people can live with simple tools, so it’s the least serious. /ˈʃɔːtɪdʒ/ n.短缺 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? 2b sandstorms difficult environment farmland shortage lack of technology There used to be sandstorms all the time... There are fewer sandstorms now... The environment is getting better. The fields were getting smaller and smaller. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 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. Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? 2c fields sandstorms hand long hold areas machines huge trees fewer better /sɔɪl/ n.土壤 /ruːt/ n.根 /ˈɡʌvənmənt//səˈpɔːt/ 在政府支持下 /kɔːn/ n. 玉米；谷物 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 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. 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. Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? 2b Past Present Action Great changes come from people’s hard work and love for their hometown. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Discuss how the problems in 2b were solved. 2d 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 ... Sandstorms all the time （常年沙尘暴） Farmland getting smaller and smaller（耕地面积不断缩小） Difficult living environment /soil erosion （恶劣的生存环境 / 水土流失） Problems Solutions What did they do to solve this problem? The area used to be covered with sand. They planted bushes and trees. The land has become ... 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Self - evaluation Peer assessment Teacher assessment Pronunciation and Intonation Fluency流利度 Grammar and Vocabulary Accuracy准确性 Expression and Creativity 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Step3 After the visit 访问中国后 Feelings about these changes 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Talk about your thoughts and feelings about the changes in Li Rui’s hometown. Deep thinking: At first, I thought… But after After learning about Li Rui’s hometown, I realize…The biggest change for me is… because…I feel proud of the people there because… Evaluation Standards Score(满分10分） 1. Speak loudly and clearly. ☆☆☆ 2. Speak fluently. ☆☆☆ 3. Speak accurately. ☆☆☆ 4. Use linking words accordingly. ☆☆☆ 5. Act vividly. ☆☆☆ Total ☆☆☆ 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Talk about your thoughts and feelings about the changes in Li Rui’s hometown. Examples: After learning about Li Rui’s hometown, I have a lot of thoughts about Li Rui’s hometown. At first, I just thought it was a story about a trip. But after learning, I realize it is about great changes. The biggest change for me is the hills. They used to be covered with sand, but now they are full of trees. I feel proud of the people there because they worked hard to fight sandstorms and make the town greener. These changes make people’s life easier and happier. I think hard work can really make a difference. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 1980年吴起 2026年吴起 小小的努力汇聚成巨大改变，我们亲手就能建造一个更绿意盎然、更加光明的世界 Small efforts make big changes, and our hands can build a greener, brighter world. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Words:amazed, improved, sandstorms, sandy areas... Phrases:used to do sth.（过去常常做某事）,be covered with sand/trees（被沙子 / 树木覆盖）,decide to do something about the problem... Sentences: ... used to be ..., but now it is ...（过去是……，但现在是……）, There used to be ..., but now there are ...（过去有……，但现在有……）,It took ... to do sth. in the past, but now it takes only ...（过去做某事要花……，现在只需……） Summary 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Language points 1. my father really wants to see how the place has changed since he last visited. 我父亲很想看看，自从他上次来过之后，这个地方发生了怎样的变化。 宾语从句 how the place has changed , 跟在动词 see 后面，作 “看” 的内容，是宾语从句。 语序规则：宾语从句必须用陈述语序（主语 + 谓语），不能用疑问语序。 时态：主句是一般现在时（wants），从句根据实际情况用现在完成时（has changed），表示 “从过去到现在的变化”。 自从来到这所学校，我已经学了 1000 个英语单词。 I have learned 1000 English words since I came to this school. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Language points 2. We used to have to travel far to see a doctor, but now the town has built a new hospital. 过去我们得远行看病，如今镇上新建了一所医院。 used to do 表示过去常常做某事；过去曾经存在某种状态，现在已经不再这样了。 基本结构 肯定句：主语 + used to + 动词原形 否定句：主语 + didn’t use to + 动词原形 疑问句：Did + 主语 + use to + 动词原形？ 我过去常常早起。 I used to get up early. 她以前不喜欢英语。 She didn’t use to like English 你以前住在这儿吗？ Did you use to live here? 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Language points 3. We used to have to travel far to see a doctor, but now the town has built a new hospital. 过去我们得远行看病，如今镇上新建了一所医院。 used to do 表示过去常常做某事；过去曾经存在某种状态，现在已经不再这样了。 be used to doing sth 习惯于做某事 be used to do sth 被用来做某事（被动语态） 我过去常步行上学。 I used to walk to school. 他习惯早起。 He is used to getting up early. 木头被用来造纸。 Wood is used to make paper. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Language points 4. I’m amazed by how green your hometown has become! 我惊叹于你的家乡变得这般绿意盎然！ be amazed by 对…… 感到惊讶、惊叹 形容词短语，后接名词 / 从句 how 引导宾语从句 how green your hometown has become how + 形容词 + 主谓语序，陈述语序，不用倒装 现在完成时 has become 强调从过去到现在发生变化，如今呈现的状态 她惊叹时光飞逝。 I’m amazed by his progress. 我们被美景震撼到了。 We are amazed by the beautiful scenery. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Language points 5. The government provided support too. 政府也提供了扶持帮助。 provide sth. 提供某物 provide sb. with sth. 为某人提供某物 provide sth. for sb. 把某物提供给某人 父母为我们提供食物。 Parents provide us with food. 他们给村民供水。 They provide water for villagers. offer /ˈɒfə(r)/v. 主动提供；主动提出 n. 提议 offer sb. sth = offer sth to sb 向某人提供某物 offer to do sth 主动提出做某事 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Exercise 1.计划参观_____________ 2.带领…… 参观______________ 3.被…… 覆盖________________ 4.阻止…… 做某事 ______________ 5.植树_______________ 6.提供扶持________________ 7.发生巨大变化_______________ 8. 我惊叹你的家乡变得绿意盎然 _____________________ 9. 政府也提供了扶持________________________ 10.人们努力改善环境 ______________________ The government provided support too. show...around be covered with stop...from doing plant trees provide support make great changes I’m amazed by how green your hometown has become. plan to visit People worked hard to improve the environment 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Li Rui gets a call from her friend George. George and his father Bob plan 1. ________ (visit) Li Rui’s hometown. He asks Li Rui 2. __________ she can be their guide. Li Rui says yes 3. __________ (happy). George tells Li Rui that his father last visited the town about 20 years ago, and he became a good friend of Li Rui’s grandfather. Li Rui is sure her grandpa will be very happy 4. _________ (see) them again. When they arrive, Li Rui shows them around the town. Bob says the trip is 5. __________ (amaze). He remembers it took half a day 6. ________ (get) to the town in the past, but now it only takes an hour with new roads. Li Rui also talks about her school life: she used to spend nearly 40 minutes 7. _________ the bus to school, but now it is just 15 minutes. 语法填空： Exercise to visit if/whether happily to see amazing to get on 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 The town also has a new hospital and a supermarket. The biggest change is on the hills. They used to be 8. _________ (cover) with sand, but now they are full of beautiful trees. Later, Bob talks with Li Rui’s grandfather. Grandpa says there used to be many sandstorms. To stop the fields from 9. ______ (get) smaller, people worked hard to plant bushes and trees. Now there are fewer sandstorms, the environment is getting better, and everyone is living a 10. ______ (rich) and happier life. 语法填空： Exercise covered getting richer 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Homework Must-do 1.Write three sentences about hometown changes with what we learned. 2.Talk about your feelings of great changes with your family.. Optional Search for more changes of your hometown, and share them with your classmates. 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 Thank you 此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任 null 2268.0 星越教育 null 36911.086 7208.7075 星越教育 null 63685.207 星越教育 null 65147.99 $I can't believe how much this place has changed, the roads, the hospital, the trees. It's like a whole new world. Seeing how the people here turn problems into progress makes me feel proud of them. nullWhy I think this is one of the the most incredible economies in the world. Incredible innovation. You doing great. China is doing great. yeah. I think it's very strong. I think that people are very excited about AI and new technology here and embraced IT very readily. And um I couldn't be more excited about IT. I think you know china has a viBrant economy and will continue . in the chain. I think about the I would I feel here is a lot of leadership of both industries. good collaboration and that drives understanding and what we do that we can find areas that we can work . together in roles of times. The ine's econic, a very good I think it's a very dynamic economy, and I think it's a very good outlook at . of china is laid out a very straight forward and ambitious five year plan is fifteen five year plan. And in my expectation is china will continue to make more progress, more economic growth as they execute this next five year plan. What do you think of your trip so far? amazing. When I first visited here, IT took half day to reach the town. Now with the new roads, IT takes only an hour. Yes, when I was a child, the bus took nearly forty minutes over rough roads to get to school. Now IT takes only fifteen minutes. Life is much easier. Not only that, we used to have to travel far to see a doctor, but now our town has built a new hospital. great. And didn't I see a supermarket down the street? Yes, we didn't have any good places for shopping until ten years ago. but the biggest change is on the hills. They used to be covered with sand. and now they have been covered with beautiful trees. Hi, i'm George. I've learned from president Donald trump that china has changed greatly over the past few years. I have a good friend living in china, so i'd like to ask her how her hometown has changed and what that looks like now. I'm amazed by how Green your hometown has become. Have you seen the corn fields outside of the town yet? Yeah, they're huge. There used to be some storms all the time, and the fields were getting smaller and smaller. Then after one big sand storm, we decided to do something. What did you do? 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 to. Wasn't IT difficult to plant so many bushes? 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 cent storms now, and environment is getting Better. IT has also improved our lives. Everyone has become richer and happier. Hello, George. Hi lee rui. Guess what? My father, bob and I are going to visit your hometown. Could you be our guide? sure. I'd love to. wonderful. You know, my father's last visit was about twenty years ago. He became a good friend of your grandfather. Grandpa will be so happy. They haven't seen each other for ages. Yes. and my father really wants to see how the places changed since he last visited. null