Unit 1 The Changing World Section A 2a-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“环境变化”主题，聚焦核心词汇（sandstorm, farmland等）、used to do与现在完成时语法，通过听力理解、对话创编等技能训练，构建语言能力框架。课堂导入以家乡今昔图片对比讨论为支架，引导学生观察道路、建筑、环境变化，自然衔接环境问题与治理的核心内容。 其亮点在于融合学习能力与思维品质培养，通过听力预测、关键词定位、表格梳理等技巧提升信息整合能力，结合环境今昔对比分析锻炼逻辑归纳思维。以家乡环境治理案例渗透文化意识，采用角色扮演、小组合作等互动方式，学生能在语境中提升语言运用与问题解决能力，教师可高效落实核心素养目标。

Unit 1 The Changing World Section A 2a-2d 2026新人教版九上 教学目标 语言能力 掌握核心词汇与短语：sandstorm, farmland, bush, hold soil, provide support 等，理解词义并熟练朗读运用。 听懂2b、2c 听力对话，捕捉环境问题、治理措施、环境变化等关键信息，完成听力任务。 熟练运用used to do、现在完成时描述环境今昔变化，能朗读、角色扮演并创编 2d 对话。 二、学习能力 掌握听力预测、关键词定位、表格梳理的听力技巧，提升信息抓取与整合能力。 积极参与小组合作、角色扮演、对话创编活动，养成自主练习、合作交流的学习习惯。 学会在语境中记忆词汇和句型，提升听说综合学习能力。   三、文化意识 了解家乡环境治理的过程与成果，感受生态保护的重要意义。 树立爱护环境、人人参与、共建绿色家园的环保意识与社会责任感。 体会集体协作、政府扶持对家乡发展的推动作用。   四、思维品质 1. 运用对比思维分析环境过去与现在的差异，锻炼逻辑归纳能力。  2. 结合听力内容梳理环境问题的解决流程，培养条理化表达思维。  3. 联系生活思考身边环境问题及解决办法，提升问题分析与创新思维。 01 Lead-in Look at the pictures and discuss with your partner: 1. What can you observe in the images showing the past and present of our hometown? 2. In what aspects (roads, buildings, environment) have great changes taken place over time? In the Past The streets were narrow and dirty with old houses. There were few tall buildings, and the traffic was inconvenient, with only a few buses and bikes for transport. In the Present Wide, clean roads are lined with high-rise buildings and green trees. A convenient transportation network—including highways and new transit systems—connects the city, making daily life comfortable. Pre-listening Task 1: Look at 2a and predict the answers 01. Who are George and Li Rui? Think about their identities—are they friends, classmates, or are they meeting for the first time? What clues can you get from the context? 02. The relationship between their family members? What is the connection between George’s father and Li Rui’s grandfather? Were they old friends, colleagues, or had another kind of bond? 03. When did George’s father last visit here? Try to guess the time—was it several years ago, or a long time in the past like decades ago? Task 2: Key Vocabulary & Phrases used to do sth. 过去常常做某事 (强调过去的习惯，现在已改变) It takes/took sb. time... 花费某人多长时间做某事，描述完成动作的时间成本。 rough roads 崎岖的道路，形容路面不平坦难行。 see a doctor 看医生，就医；为身体健康问题寻求专业帮助。 go shopping 去购物；进行日常采购或逛街买东西的活动。 be covered with 被……覆盖，描述物体表面的状态。 1.7.2013 Now, let's move to the Pre-listening part. First, look at the questions in activity 2a. Can you guess the answers before listening? Then, let's learn some key words and phrases that will appear in our listening material. Please read after me and try to remember their meanings. These will be very helpful for you to understand the conversation. ‹#› n.短缺 n.缺乏 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... While-listening 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 togethe • 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. New Supermarket New Hospital New Roads shorter time What changes? Green Hills Past Action Result Environmental problems Post-listening 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.) 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 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.) Language Points 04 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 2. The hills were covered with sand. be covered with... 含义：被…… 覆盖着（强调状态）。 The hills were covered with sand. (过去，小山被沙子覆盖着。) They are now covered with green grass and trees. (现在，它们被绿草和树木覆盖了。) The snow covered the ground. (雪覆盖了地面。) Let’s learn and take notes 3. 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. 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. 1. The hills __________ to be __________ with sand many years ago. 2.At first, they didn‘t have modern tools, so they had to do all the farm work __________ __________. 3. As the students cleaned up the park, the rubbish bin became fuller and fuller, and the park became __________ and __________. 4.Terrible sandstorms once appeared ______________ (一直) in this small town. 5.Lots of trees _______________(plant) on the hill every year. 二、完成句子 used covered by hand cleaner cleaner all the time are planted Homework 01. 基础作业 Read aloud and recite the key conversations in Section 2b and 2d. Pay attention to correct pronunciation and natural intonation to enhance your oral English fluency. 02. 能力拓展 Write a 50-word paragraph about a change in your hometown. Use the 'used to' structure to compare past conditions with the present situation vividly. Reference Example "My hometown has changed a lot over the years. The small river near my house used to be very dirty and smelly, but now it's clear and beautiful with many fish swimming in it. People used to avoid going there, but now they love taking walks and fishing along the bank in their free time." 1.7.2013 For your homework, please complete two tasks. First, read and try to recite the conversations in 2b and 2d. This will help you improve your oral English. Second, write a short paragraph about a change in your own hometown. Use the 'used to' structure to compare the past with the present. I look forward to reading your wonderful work next time. ‹#› Untitled project null 59740.92 $