Unit 1 The Changing World Section A 1a-4c 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“变化的世界”主题，核心聚焦一般过去时与现在完成时的对比，通过旧新照片对比、家乡变化讨论等课堂导入，以时间状语标志（如yesterday与since）、对比例句及填空练习为学习支架，帮助学生从旧知平稳过渡到新知。 其亮点在于融合语言能力与思维品质，采用任务型教学（如问题排序、角色扮演采访村民）和生活化情境（讨论环境、交通变化），实例包括听力中George父亲20年前与现在家乡的对比，词汇通过合成词（sand+storm=sandstorm）和字谜游戏学习。既提升学生语言运用和分析问题能力，也为教师提供结构化资料以提高教学效率。

Free sea, listen to the conversation then. Role play IT, how has life changed in your hometown over the last twenty years? Oh, IT is changed quite a lot. Many Young people used to work in big cities. Now more of them have come back to live . and work here. great. Have there been any . other changes? Yes, we've changed the way we I used to grow a few vegetables on a small farm to sell at the local market. Now I have large, high tech Greenhouses there. I grow tons of fit and vegetables and sell them in large cities. Wow, the new highway and railway must have helped a lot. Oh, they have. Our village has become a tourist attraction. We can now sell local products to tourists. We also sell products online to people all over china. Have these changes greatly . improve your lives? Yes, we now have new houses, and our village has just built a new hospital and a library. wonderful. Together, you are building a new socialist village. 2026人教版英语九年级上册 Unit 1 The Changing World Section A 1a-4c U1, G9, A 时态 一般过去时 现在完成时 核心概念 动作发生、完结于过去 动作始于过去;侧重动作对现在造成的影响、结果,或是状态持续到现在 肯定句 主语+动词的过去式 主语+have/has+动词过去分词 否定句 主语+didn't+动词原形 主语hven't/hasn't+动词过去分词 一般疑问句 Did+主语+动词原形? Have/Has+主语+动词过去分词 标志性时间状语 yesterday, last+时间(last week/last year), ago(3 days ago), in+过去年份(in 2020), just now already, yet, ever, never since+时间点, for+时间段 so far, in recent years 对照例句 I moved here 3 years ago. He opened the shop last Friday. I have lived here for 3 years. He has opened many shops. 解题判断技巧 句中有明确过去时间 表达经历、动作延续、过去事件影响现在 U1, G9, A U1, G9, A Fiil in the blanks with the proper forms of the verbs in the brackets. 1.I (finish) my homework an hour ago. 2.We (not see) each other since 2020. 3.She (visit) the museum last summer. 4.My father (build) two new houses so far. 5.- you ever (be) to Guizhou? _Yes. I (go) there in 2025. finished haven't seen visited has built Have been went U1, G9, A 1.People's living conditions are much better than they were in the past. Now we take subways to travel, while we mainly walked or rode bikes years ago. 2.The popularity of mobile payment has greatly influenced our daily shopping. High-speed trains make long-distance trips easier, and they have changed our lifestyle a lot. 3.We find out that government investment in roads leads to the great changes of our town. More young people come back to work here, so the local economy develops fast. 4.I can introduce beautiful sights of my hometown to people online to attract more tourists. I will study hard, so I can come back and help build my hometown when I grow up. Q3 Great changes have taken place in my hometown. The streets are wider. There are more tall buildings. Peopole's life is Q1 In the old photo, there were old small houses and few trees. But in the new photo, there are many tall buildings and more green trees. Q2 Because the city develops fast. More money is spent on building new houses and public facilities. People want better living conditions. U1, G9, A What brings about changes? U1, G9, A BIG Question Many factors bring about changes. Government environmental policies, people's hard work and environmental protection make the place become better and better. Lots of things have brought about these great changes. First, the government has made strict rules to protect nature. Second, local people have planted plenty of trees and stopped polluting the river. Third, people have realized the importance of ecological protection. All these actions have made the environment much more beautiful. Answers: Great changes have taken place around me. The streets have become much cleaner. More trees have been planted, and there are more new public parks. People have stopped littering, and our living environment has become nicer and nicer. Many great changes have taken place around me in recent years. First, many new roads and parks have been built in my neighbourhood. Second, the river ner my home has become clean again after people stopped polluting it. Third, more people have started to go out by bike instead of by car to protect the air. I really enjoy these wonderful changes. Q1 Great changes have taken place in Li Rui's hometown. In the past, there were few trees and much bare land. Now lots of trees have been planted, and the whole area has turned green. The old houses have been replaced by new buildings. Q2 I feel really happy and proud. It's wonderful to see the environment become so much better. U1, G9, A U1, G9, A Q1-Because he will visit Li Rui's hometown with his father, and he wants Li Rui to be their guide. Q3-They are good friends. Q2-About 20 years ago. U1, G9, A half a day an hour nearly 40 minutes 15 minutes travel far hospital shopping supermarket sand beautiful trees U1, G9, A With government investment and people's hard work, the town built roads, hospitals and supermarkets. People also planted many trees to improve the environment, so these great changes took place. /These changes mainly come from two aspects. First, the government invests money in public facilities: it builds new roads to shorten travel time, constructs hospitals and supermarkets to meet residents' medical and shopping needs. Second, local people carry out afforestation, planting lots of trees on sandy hills to better the living environment. Together with rising local economic level, all these factors bring great changes to the hometown. U1, G9, A 1 2 3 4 Sandstorms destroy the land, pollute the air and make farmland become desert. They make living conditions much worse. Bad natural conditions slow down development, but people can take measures to improve it step by step. Food is the basic need for people. Less farmland means we cannot grow enough food, so people will have nothing to eat. It directly threatens people's survival. We can introduce new technology and learn from other places. It is a problem that can be solved more easily. U1, G9, A They mentioned sandstorms and farmland shortages. (Grandpa:There used to be sandstorms all the time, and the fields were getting smaller and smaller.) U1, G9, A sandstorms fields hand long hold hills/land technology/machines bigger/larger trees fewer better/greener U1, G9, A greener. The farmland is becoming larger than before. Fewer sandstorms happen now. Answers: 1.More young people return to work and live in the village. 2.Farmers grow crops in high-tech greenhouses and sell produce to big cities. 3.The village develops tourism and online sales of local goods. 4.Villagers get new houses, new hospitals and libraries for a better life. Young people come back to the village. Farming becomes high-tech. The village develops tourism and online business. Better houses and public facilities also improve villagers' lives. Key Words interview, villager, hometown, farm, greenhouse, highway, railway, tourist, attraction, socialist Key Phrases 1.over the last 20 years在过去20年里(现在完成时标志性时间状语) 2.used to do过去常常做某事(现在不再做) 3.quite a lot相当多;变化很大 4. grow vegetables种植蔬菜 5.high-tech greenhouses高科技温室大棚 6.tons of大量的;成吨的 7.help a lot助力很大;帮助良多 8.tourist attraction旅游景点 9.local products本地特产 10.all over China全中国各地 11.greatly improveone's lives 极大改善某人的生活 Key Sentence Patterns 1.现在完成时(描述从过去延续到现在的变化,本课文核心句型) How has life changed in your hometown over the last 20 years? 过去20年间,你家乡的生活发生了怎样的变化? Have these changes greatly improved your lives? 这些变化极大改善你们的生活了吗? 2.used to do过去的状况(和现在形成对比) sb used to do sth 某人过去常做某事,如今不再这样 I used to grow a few vegetables on a small farm. 我从前只在一小块农田种少量蔬菜。 3.there be现在完成句式 There have been other changes.还出现了其他变化 4.情态动词表推测/肯定 The new highway and railway must have helped a lot! 新建的公路和铁路一定提供了巨大助力! must have done对过去发生事情的肯定推测:想必、一定做了某事 5.被动含义句式(build相关) Our village has just built a new hospital=A new hospital has been built in our village. 我们村子刚修建了一所新医院。 our U1, G9, A U1, G9, A Many young people went to work in big cities. Grew a few vegetables on small farms, sold to local market. Only local market sales Old houses;lack of perfect public supporting facilities More young people return to live and work in the village. Use large high-tech greenhouses; grow tons of fruits and vegetables, sell to big cities. Sell goods to tourists; also sell products online across China. Live in new houses; newly build hospitals and libraries. U1, G9, A 道具准备 1.记者:拿本子+笔(模拟采访记录) 2.两位村民:可拿仿真菜叶、小篮子,呼应大棚种植 3.背景:Hometown Changes 背景词:young people, high-tech greenhouses, tourism, new hospital, library Step 1 开场(记者上前,语气好奇友善) Step 2 Mr Yan回答(神态感慨、欣慰) Step 3 记者追问‘ Step 4 Ms Wu讲农业变化(语气自豪) Step 5 记者点评交通建设 Step 6 Mr Yan介绍旅游、线上售卖 Step 7 记者询问生活改善 Step 8 Ms Wu讲住房、公共设施(幸福感强) Step 9 记者收尾总结 现在完成时 have/has done U1, G9, A There are more trees and clean rivers now. The air is much fresher than before. I feel really happy to live in such a beautiful place. /More new roads and buses have appeared. It's much easier for us to go out. I feel life is becoming more convenient. /People hardly use cash now. We can pay for everything with our phones. It makes our life so easy and fast. housing, shopping, school, hospital, transport, restaurant, cinema U1, G9, A 一般过去时(过去发生,有明确过去时间) became; used to have; used to work(标志词:20 years ago, used to) 现在完成时(动作从过去持续到现在,对现在有影响) haven't seen; has just built; have come(标志词:for ages, just) U1, G9, A Have been didn't know open opened went Do like have visited did see read listened will bring U1, G9, A was be made have taken has built take have improved were U1, G9, A U1, G9, A U1, G9, A Word Puzzles I move without legs.I blind people's eyes. I am full of small grains in dry deserts. What am I? People grow rice and vegetables on me. I am good soil for plants to live. What am I? When we do not enough of something. We have this. What word is it? It is lower than a tree. It has many small woody branches. Birds often hide inside it. What is it? I stay underground. I take in water for the plant. You cannot usually see me. What am I? I lie on the ground. Plants grow in me. Roots live inside me. What am I? I grow on a tall green stalk. I have many yellow seeds in rows. Farmers often feed me animals. What am I? sandstorm farmland shortage bush root soil corn U1, G9, A $With the table. what do you think of your trip so far? 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. 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. The biggest changes on the hills, they used to be covered with sand. and now they have been covered with beautiful trees. How has life changed in your hometown over the last twenty years? Oh, IT has changed quite a lot. Many Young people used to work in big cities. Now more of them have come back to live and work here. great. Have there been any other changes? Yes. we've changed the way we farm. I used to grow a few vegetables on a small farm to sell the local market. Now I have large high tech Greenhouses there. I grow tons of fruit and vegetables and sell them in large cities. Wow, the new highway and railway must have helped a love. Oh, they have. Our village has become a tourist attraction. We can now sell local products to rist. We also sell products online to people all over china. Have these changes greatly improved your lives? Yes, we now have new houses, and our village has just built a new hospital and a library. wonderful. Together, you are building a new socialist village. See, listen again and fill in the table. How has the environment affected local lives? 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 sandstorms all the time, and the fields were getting smaller and smaller. Then after one big sandstorm, 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 too. Wasn't IT difficult to plan . 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 sand storms now, and the environment is getting Better. IT has also improved our lives. Everyone has become richer and happier. What my father, bob and I are going to visit your hometown. Could you be a 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 place has changed since he last visited. To b, listen to the conversation between George's father and lee roy's grandfather. What problems in two way did they mention? 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 sandstorms all the time, and the fields were getting smaller and smaller. Then after one big sandstorm, 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 sand storms now, and the environment is getting Better. IT has also improved our lives. Everyone has become richer and happier. Textbook for compulsory education great night for new one, people's education prints were cabuli in each unit. Unit one bring about, 为了about rough，rough, be covered with, be covered with some . storm . and storm, farland. farland. shortage, shortage, lack, lack, 不是bush，root, root. soil. soil, Sandy, Sandy, government, government support, support, corn, corn, high tech, high tech, Greenhouse. Greenhouse. highway, highway, railway, railway, attraction, attraction, product, product. I greatly appreciate your help, great today. Socialist . socialist. e payment, e payment housing大家，digital digital蜗牛audio，dirt, dirt, check, check, wide. 我们可以通过电话联系。也可以通过网络port court capital肯定canyon . is . canyon benefit benefit be happy with，be happy . with . convenient convenient business business is is with is with is Lorry Lorry manager manager conclusion conclusion . narrow . narrow village reinagle the . only . olympics, the olympics. the . olympic games the olympic games lead lead LED LED LED LED man made, man made miracle miracle. 你来学习吧junior，123. 数一数六只flat flat。大家有什么想说的？我觉得这个。话题可以从三个方面来讨论。举例子我也想补充。Respect respect mobi . mobster.