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“变化的世界”主题，聚焦家乡变化的描述、原因及问题解决，通过对比干旱草原与绿树成荫的照片导入，引导学生观察差异并讨论变化原因，搭建从现象到本质的学习支架，衔接后续听力理解、对话练习及语法知识。 其亮点在于以真实情境（Li Rui家乡变化）为载体，通过听力技巧指导（听前预测关键词、听中记录信息）和问题排序活动（如沙尘暴与水资源短缺的优先级讨论），培养学生语言能力和思维品质。语法讲解结合实例（used to do, it takes...to do），辅以中考真题练习，助力知识迁移。自我评估和写作作业提升学习能力，学生能在实践中运用语言，教师可依托结构化活动高效开展教学。

Section a activity to b. Listen to the conversation between George's farther and leerie grandfather. What problems in two a 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 routes 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. In the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are few a sandstorms now, and the environment is getting Better. IT has also improved our lives. Everyone has become richer and happier. Section a activity to see, listen again and fill in the table. I'm amazed by how Green your hometown has become. Have you seen the cornfields 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 routes that could hold the soil together. We began planting IT in Sandy areas the government provided support to. Wasn't IT difficult to part so many bushes? Yes, IT was. In the beginning, we worked by hand. Later we had machines to help. We have planted many bushes and trees since then. There are few a sand storms now, and the environment is getting Better. IT has also improved our lives. Everyone has become richer and happier. What changes have taken place around you? Section a activity one b. Listen to a telephone conversation, then answer the questions. Hello, George. Hi li. Guess what? My father, bob, I are going to visit your hometown. Could you be our guide? sure. I love to. wonderful. You know, my fathers'lost 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. Section a activity one sea leura is now showing George and his father around her hometown. Listen to their conversation and complete 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 supermarkets down the street? Yes, we didn't have any such 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. 1. How are these two photos different? a beautiful place with many trees a bare, dry grassland with only one tree 2. Why do you think this place changed so much? Because people have worked hard to plant trees and protect the environment for many years. Do you know this place? What do you know about it? The Changing World What brings about changes? ? BIG Question 3 In this unit, you will talk about how things have changed over time. find out how changes happened. discuss how changes have influenced our lives. explore what you can do for your hometown. More trees and flowers have been planted. My hometown New roads and buildings have been built. My hometown Public transport has become more convenient. My hometown In this class, you will listen to some conversations about Li Rui’s hometown, find out the changes over the years and the problems it faced. talk about how the problems were solved. describe the changes that have taken place around you. Listening (1a-2d) The photos show changes in Li Rui's hometown over the years. 1a 1 2 P2 What are the changes? sandy land (沙地) green land few trees many trees How do they make you feel? Now let’s listen to a conversation between Li Rui and George. 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? 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? 1b Listen to a telephone conversation. Then answer the questions. P2 Because he wants Li Rui to be his and his father's guide when they visit Li Rui's hometown. They are good friends. About 20 years ago. Tips: 听前:阅读问题,圈出关键词(如疑问词“why/what/when”等),明确要听的重点。 听中:有针对性地捕捉与问题相关的关键词和信息。用缩写或符号快速记录关键信息。 听后:检查答案是否完整、准确。比如回答原因时可以用“because ”的结构。 Tapescript 1 3 2 Pay attention to these expressions. 意为“你猜怎么着!”,用来引出一件有趣、意外、让人惊讶的事。 表示“打算、计划要做某事”。 表示“很久,很长时间”,语气比“for a long time”更口语、更夸张,常与现在完成时连用。 Li Rui is now showing George and his father around her hometown. Listen to their conversation and tick (√) the changes mentioned. 1. Transport 2. Food 3. Health care 4. Shopping 5. Housing 6. Environment 1c Listen to their conversation again 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 . P2 half a day 40 minutes travel far shopping sand an hour 15 minutes hospital supermarket beautiful trees Tips: 听前:浏览表格信息,预判需要填写的内容。 听中:有针对性地捕捉与空白处相关的关键词和信息。 听后:检查所填内容,确保所填信息准确无误。 Complete the table about the changes using the information in the box. 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 travel far shopping sand an hour 15 minutes hospital supermarket beautiful trees Aspect Shopping Transport Environment Health care Transport Health care Shopping Environment It takes (sb.) + 时间 + to do sth.表示做某事花费(某人)多长时间 Changes in transport Tapescript Changes in health care Changes in shopping Changes in environment used to + 动词原形,表示过去常常做某事(现在不做了) down the street表示沿着这条街 be covered with表示被……覆盖;布满…… Discuss the changes in 1c. How do you think they happened? 1d P2 the support of government economic growth green technology people's hard work public awareness (公众意识) What problems do you think Li Rui’s hometown faced in the past? sandstorms water shortage lack of technology farmland shortage Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons. 2a P3 sandstorms water shortage lack of technology farmland shortage 1 2 4 3 sandstorms water shortage lack of technology farmland shortage 1 2 4 3 Water is essential for all life. Without enough farmland, people can't grow enough food. Sandstorms cause great problems in many ways. Lack of technology slows down development. Listen to the conversation between George's father and Li Rui's grandfather. What problems in 2a did they mention? P3 2b sandstorms water shortage lack of technology farmland shortage 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 again and fill in the table. P3 2c sandstorms fields hand long hold areas machines huge trees fewer better Problems Solutions Results sandstorms farmland shortage lack of technology Tips: 听前:浏览表格信息,预判需要填写的内容。 听中:有针对性地捕捉与空白处相关的关键词和信息。 听后:检查所填内容,确保所填信息准确无误。 What tenses are used? How do they describe the problems in the past? There used to be was/were getting + 比较级 How do they describe the results at present? There are now. is/are getting + 比较级 It has improved has become + 比较级 一般过去时 What tenses are used? 一般现在时 现在进行时 现在完成时 How has the environment affected local lives? 过去进行时 Pay attention to these expressions. 对……感到惊讶/惊叹;被……震撼 决定做某事;决心做某事 保持水土;固定土壤 手工劳作 改善我们的生活 P3 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 lack of technology farmland shortage Change brings hope, and hope makes life better. 1. What brings about changes? 是什么导致了这些变化? bring about 带来;引起 ① Tree planting brings about a better environment. ② Modern technology brings about many changes in our lives. 植树带来了更好的环境。 现代科技给我们的生活带来许多变化。 翻译句子。 希望这一发现能够带来新的技术,以助力养鸡业的发展,因为养鸡业在许多国家都是一个重要的产业。 Hopefully, this finding can bring about new technology to help with chicken-raising, a big industry in many countries. (2024 广东省中考 阅读理解B) 2. When I first visited here, it took half a day to reach the town. 当我第一次来到这里时,从这里到城镇要花半天的时间。 take v. 需要……时间;费时 ① The journey to the airport takes about half an hour. ② It takes about 20 minutes to get to the library. 到机场大约需要半小时。 去图书馆大概需要20分钟。 小结 It takes /took + 时间 + to do sth. 做某事花费…… 时间 根据汉语意思完成句子(每空一词)。 1. 她去哈尔滨大约需要两天时间。 It will her about 2 days Harbin. 2. 他步行去学校要花费二十分钟。 It to walk to school. take takes him twenty minutes to get to ② My father used to work there. 3. We used to have to travel far to see a doctor, but now our town has built a new hospital. 过去我们去看医生得走很远,但现在我们所在的这个镇新建了一所医院。 ① I used to live in Zhengzhou. used to do sth 我曾经在郑州居住过。 我父亲曾在那儿工作过。 过去常常做某事 注意 used to do sth指过去习惯做某事,而现在不做了。 Do I live in Zhengzhou now? Does my father work there now? used to be used to ① He used to eat junk food, but he gave up many years ago. 他以前经常吃垃圾食品,但几年前就不吃了。 现在我们已经适应车辆往来的噪音了。 ② We’re used to the noise from the traffic now. used to do sth指过去习惯做某事,而现在不做了。 be used to (doing) sth 指习惯于、适应于,等同于get used to (doing) sth. = We get used to the noise from the traffic now. 根据汉语意思完成句子。 我过去常常起床很晚,但现在为了保持健康,我习惯了早起。 I late, but now I early in order to keep healthy. used to get up getting up am / get used to 4. They are now covered with beautiful trees. And now they have been covered with beautiful trees! 现在这里长满了漂亮的树木。 be covered with 被……覆盖 ① The hills are covered with green trees. ② The ground is covered with white snow in winter. 山上长满了绿树。 冬天地面被白雪覆盖。 而现在,这里已经长满了美丽的树木! 根据汉语意思完成句子(每空一词)。 风刮得很大,一切都蒙上了一层沙子。 The wind blew strongly and everything sand. was covered with 5. farmland shortage 耕地短缺 shortage n. 短缺 ① There was a shortage of farmland in the past. ② The village faced a water shortage. ③ There is no shortage of things to do in the town. 过去耕地短缺。 这个村子曾面临缺水。 小结 a shortage of + 名词 ……的短缺 face a shortage 面临短缺 镇里不愁找不到活儿干。 There is no shortage of … 不缺少……;有的是……;非常多…… 6. lack of technology 缺乏技术 lack n. 缺乏 ① There is a lack of doctors in some villages. ② There is no lack of tall buildings now. 有些村庄缺少医生。 现在高楼很多。 小结 (a) lack of sth. …… 的短缺 / 缺乏…… no lack of sth. 不缺……;有很多……;有的是…… lack v. 缺乏 ① He lacks courage. ② Some areas lack clean water. 他缺乏勇气。 一些地区缺少干净的水。 翻译句子。 1. Many people still face a shortage of food in some African areas. 2. There is no lack of green trees in our hometown. 在一些非洲地区,仍有许多人面临食物短缺的问题。 我们家乡绿树很多。 7. Then, after one big sandstorm, we decided to do something. 随后,在一场巨大的沙尘暴过后,我们决定采取行动。 decide v. 决定 ① He decided to study harder. ② We decided that we would help him. 他决定更加努力学习。 我们决定要帮他。 小结 decide to do sth. 决定做某事 decide + 宾语从句 决定…… 选择填空。 We decided because we were so tired. A. to have a break B. not to have a break C. having a break D. not having a break 8. They began planting it in sandy areas, with the government's support. 在政府的支持下,他们开始在沙质地区种植这种植物。 support n. 支持 ① We got support from our parents. ② With the support of our teachers, we won the game. 我们得到了父母的支持。 在老师的支持下,我们赢得了比赛。 小结 get / have support from… 得到…… 的支持 with the support of… 在……的支持下 选择填空。 The helpful methods in TCM also took my wife’s interest. With her , I’m running a website to introduce TCM. (2024 安徽省中考 完形填空) A. check B. worry C. support D. doubt Can you describe the changes that have taken place around you? Can you find out the changes in Li Rui’s hometown over the years and the problems it faced? Can you talk about how the problems were solved? 1. Write a short paragraph about what problems your hometown faced and how you solved them. 2. Preview 3a-3d on page 4. null 44930.26 null 55248.094 null 68648.68 null 75075.43 null 70320.68 $从一棵树到一片林，三代人把荒原变绿洲，这就是河北省最北端承德围场满族蒙古族自治县的塞罕坝机械林场。塞汗是蒙古语，霸是汉语，意思就是美丽的高岭。历史上，这里是森林茂盛，水草丰美，鸟兽繁多。清代康熙帝曾在此设置最大的皇家狩猎场木兰围场，清末同治二年，这里开为泛肯，加上连年战争和山火不断，变成了黄沙遮天日，飞鸟无栖树的高原荒漠。1962年，来自全国一百多名毕业生和当地两百多名职工组建了第一批先锋队，开始植树造林。这里是海拔1500到1900米的高寒地带，风沙大，最低气温零下四十多度，困暖重重。经过三代塞罕坝建设者55年绿色接力，从一棵树到110多万亩人工林，森林覆盖面积达到80%。他们用青春汗甚至生命，使塞罕坝机械林场成为世界上面积最大的人工林，为京津冀地区有效的阻挡了浑善达克沙地风沙的侵袭。2017年荣获地球卫士奖。塞罕坝不仅是一道风景，更是一种精神。 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 supermarkets down . the street? Yes, we didn't have any such 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.