Unit 1 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，聚焦交通、医疗等方面的过去与现在对比，核心语法为used to结构和现在完成时。通过Li Rui家乡今昔图片对比及问题引导激活学生经验，搭建从已知到未知的学习支架，衔接听力理解任务。 其亮点是以真实听力对话（含音频）创设语境培养语言能力，通过排序环境问题、讨论变化原因此类活动提升思维品质，结合家乡变化案例渗透文化意识。采用听力输入、表格填写等方法，小结通过关键词和句型归纳，助力学生语言运用与问题解决，为教师提供结构化教学支持。

Unit 1 The changing world Section A 1a-2d Learning Objectives 通过本节课的学习，学生能够： 1.能听懂两段有关家乡变化的对话，获取对话中关于交通、医疗、购物、环境等方面的过去与现在的对比。初步感受 used to 结构（学习理解）。 2.能根据听力内容完成任务表格，能使用 used to 与 now / 现在完成时 进行过去与现在对比（应用实践）。 3.能讨论家乡各项变化产生的原因，能提出改善环境问题的个人想法（迁移创新）。 housing /ˈhaʊzɪŋ/ n. • 释义：住房；住宅 • 短语：housing problem 住房问题 • 例句：The government is solving the housing problem.（政府正在解决住房问题。） • 用法：不可数名词。 dirt /dɜːt/ n. • 释义：泥土；污物 • 短语：wash off dirt 洗掉污垢 • 例句：There is some dirt on his clothes.（他的衣服上有一些泥土。） • 用法：不可数名词。 track /træk/ n. • 释义：小路；轨道 • 短语：mountain track 山间小路；railway track 铁轨 • 例句：They walked along a narrow track in the forest.（他们沿着森林里的窄路行走。） • 用法：可数名词。 wide /waɪd/ adj. • 释义：宽的；广泛的 • 短语：wide road 宽阔的道路；wide use 广泛使用 • 例句：The new highway is very wide.（这条新公路非常宽。） • 用法：形容词，可表宽度/范围。 benefit /ˈbenɪfɪt/ n. & v. • 释义：n. 利益；益处；v. 受益 • 短语：benefit from 从……受益 • 例句：We can benefit from reading books.（我们能从读书中受益。） • 用法：名词：benefit of...；动词：benefit from...。 convenient /kənˈviːniənt/ adj. • 释义：方便的 • 短语：It's convenient to do sth. 做某事很方便 • 例句：It's convenient to take the bus to school.（坐公交上学很方便。） • 用法：形容词，常用句型：It's convenient for sb. to do sth. Discuss What changes have taken place in your hometown? Changes new bridge new road electricity Discuss New schools? New Hospital? New Railway? What changes have taken place in your hometown? Changes The photos show changes in Li Rui's hometown over the years. What are they? How do they make you feel? Past Present The land looks dry and poor. Few trees or plants The old building looks lonely. Everything is green! Trees and plants everywhere. Parks, and even new building. 1a Changes The photos show changes in Li Rui's hometown over the years. What are they? How do they make you feel? Past Present Happy surprised Amazing 1a Predict Now, we will listen to a short telephone conversation in 1b. Listen for the main purpose and then and check if your predictions are right. Now, we will listen to a short telephone conversation in 1b. Listen then answer the questions. 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 to ask if Li Rui can be a guide for him and his father. They were good friends. 20 years ago. 1b Listen again and check the answers. 1b LiRui: 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. When visit? Why call? What relationship? 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 go to the big city far away good places sand half a day an hour 15 minutes hospital supermarket beautiful trees 被… 覆盖 过去常常 到达 Listen again and check the answers. 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 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! New Supermarket New Hospital New Roads shorter time What changes? Green Hills It takes/took (sb). + 时间 + to do sth. 做某事花了（某人）……时间。 sb. used to do sth. 某人过去常做某事 Li Rui's hometown How do you think they happened? Discussion New Roads government support people’s hard work needs of life 1d New Supermarket Besides these good changes, there were also some problems . Let’s look at 2a. Shorter travel time New hospital Green Hills Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons. Discussion 2a destroy everything can’t grow enough food. makes farming and daily life very hard. can learn I think... is the worst because... Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? 2b There used to be sandstorms all the time... There are fewer sandstorms now... the fields were getting smaller and smaller. the environment is getting better. 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. How has the environment affected local lives? 2c sandstorms fields 从那以后 在政府支持下 hand long hold areas machines bigger trees fewer better Listen again and check the answers. 2c 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. Past Action Result Environmental problems Discussion Transportation government support people’s hard work Li Rui's hometown Shopping Medical care Environment Changes in Li Rui’s hometown. Past (sandstorms, smaller fields ) Action (a bush with long roots, Planted,First by hand, later with machines.) Present (fields are huge; fewer sandstorms; environment getting better; people are richer and happier.) Let’s thlk. 2d Discuss how the problems in 2b were solved. A: My city is lovely. B: What are some of the special places there? A: Well, there’s a concert hall there. It’s been around for at least 20 years. 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 ... Every big change starts with a small step. The future of our hometown is in our hands. What change do you want to see in your hometown? What can you do to help? Clean the street. Let’s thlk. plant more trees Protect the environment Show time Summary Transportation government support people’s hard work Li Rui's hometown Shopping Medical care Environment Changes in Li Rui’s hometown. Past (sandstorms, smaller fields ) Action (a bush with long roots, Planted,First by hand, later with machines.) Present (fields are huge; fewer sandstorms; environment getting better; people are richer and happier.) 1. They used to go to the big city far away to see a doctor. used to do sth. 表示：过去常常做某事（但现在不做了）。 1. 肯定句：过去有 / 过去做 结构：主语+ used to + v.原形 They used to walk a long way to see a doctor. （他们过去常常走很远的路去看病。） 2. 否定句：过去不 / 没有 结构：主语+ didn't use to + v.原形 They didn't use to have a big shop. （他们过去没有大商店。） 3. 一般疑问句：过去…… 吗？ 结构：Did + 主语+ use to + v.原形? Did you use to play football? （你过去常常踢足球吗？） Let’s learn and take notes 4. improve 动词，改善；提高。名词 improvement；形容词 improved。 常见搭配：improve one‘s life / improve the environment / improve skills Regular exercise can improve your health. The government is trying to improve the public transportation system. Let’s learn and take notes 5. since then 时间状语短语，从那时起（直到现在），同义词 from then on 常与现在完成时连用。 He moved to Shanghai in 2010 and has worked there since then. Since then, the village has built two new schools. Language points Going to school by bus took nearly 40 minutes over rough roads. (教材P2 1c) rough /rʌf/ adj. 崎岖的 In the past, a rough path connected the two villages. 过去，一条崎岖的小路连接着这两个村庄。（作定语） The mountain road is rough at first and becomes smooth as we go down. 这条山路起初崎岖不平，往下走就变得平坦了。（作表语） 用于形容表面高低不平，在句中作定语或表语，反义词为 smooth“平坦的”。 词义拓展 粗糙的 艰难的 大致的 rough hands 粗糙的双手 a rough time 艰难时期 a rough idea大致的想法 Summary Key words Expressions rough, sandstorm, farmland, shortage, lack, bush, root, soil, sandy, government, support, corn bring about, be covered with We used to..., but now... Sentence See you ! 星越教育 null 36911.086 星越教育 null 63685.207 星越教育 null 65147.99 $