Unit1 The Changing World Section A 1a-2d 课件 2026-2027学年人教版九年级英语上册

该初中英语课件以“变化”为核心，围绕塞罕坝造林工程、榆林镇北台治沙等真实案例，通过图片对比、观察思考问题导入，引导学生从具体环境变化实例出发，构建“过去与现在”的对比框架，形成语言学习的有效支架。 其亮点在于融合文化意识与思维品质，以“绿水青山就是金山银山”等生态理念为载体，通过听力对话、表格对比、问题排序等任务型活动，培养学生分析环境变化的逻辑思维与跨文化表达能力。学生在真实情境中提升语言运用能力，教师可借助案例教学高效落实核心素养目标。

Unit1 The Changing World. SectionA What changes have taken place around you? 1a-2d Look and share What can you see? What color is it? What comes to your mind first when you see the picture? Saihanba Afforestation Project （河北塞罕坝机械林场造林工程--高寒山地造林） 功勋树（一棵松） the Meritorious pine Lucid water and lush mountains are invaluable assets. 绿水青山就是金山银山。 ecological restoration生态修复 green development绿色发展道路 rural revitalization乡村振兴 1a. Now, let’s go into Li Rui’s hometown. 陕西省榆林市--镇北台（明代长城重要关隘） 1960s-1970s 2015 What are the changes? How do they make you feel? The place have taken place many changes over more than 70 years. The desert control project in Mu Us Sandy Land 毛乌素沙地治沙工程 dry, sandy,poor,few trees green plants proud, admirable,happy George is calling Li Rui. Listen to a telephone conversation.Answer the question 1b. 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? Because he with his father is going to visit Li Rui’s hometown and he wants Li Rui to be their guide. George's father and Li Rui's grandfather are friends. About 20 years ago. show sb. around somewhere 带领某人参观某地 half a day an hour 40 minutes 15 minutes travel far hospital a supermarket good place sand beautiful trees be covered with sth. 被...笼盖 1c.Discuss the change in 1c. A: In the past, how do you reach the town? B: In the past, we..... But now...... A: In the past, how do you go to school? B: In the past, we..... But now...... A: Did you have a hospital? B: In the past, we..... But now...... A: Where did you go shopping in the past? B: In the past, we..... But now...... Everything is changing. How about our earth?Is it better or worse? Do you know the crisis? Thinking They mentioned the crisis about the earth. Such as sandstorms, farmland shortage.... n.沙尘暴 n.耕地 n.短缺 n.缺乏 sandstorms fields hand long hold areas machines huge trees fewer better The problems: plant the bushes by hand; the fields were getting smaller and smaller. Language points 1. bring about 引起，导致 bring about changes/development 带来变化/发展 What brings about changes? (p1）什么带来变化？ Hard work brings about great changes to the sandy land.辛勤努力给沙地带来了巨大变化。 2. rough /rʌf/ adj.崎岖的；粗糙的；艰难的 rough roads 崎岖的道路 Years ago, the roads in this area were rough. 多年前，这片区域的道路崎岖不平。 3. be covered with 被……覆盖 Large areas of land were covered with sand. 大片土地曾经被黄沙覆盖。 4. sandstorm /ˈsændstɔːm/ n.沙尘 stop sandstorms 抵御沙尘暴 People plant trees to fight against sandstorms. 人们植树来抵御沙尘暴。 5. farmland /ˈfɑːmlænd/ n.农田，耕地（不可数名词） Sandstorms turned rich farmland into sandy land. 沙尘暴把肥沃的农田变成了沙地。 6. shortage /ˈʃɔːtɪdʒ/ n.短缺，不足 a shortage of water/food 缺水/ 食物 There was a serious water shortage on the sandy land. 沙地上曾经严重缺水。 7. lack ① n. 缺乏；短语：lack of ……的短缺 ② v. 缺少；短语：lack sth. Lack of water makes it hard for plants to grow. 缺水让植物难以生长。 8. bush /bʊʃ/ n.灌木，灌木丛（复数：bushes） Small bushes help hold the soil. 灌木有助于固住土壤。 9. root /ruːt/ n.根，根茎 tree roots 树根 Tree roots keep the soil in place. 树根牢牢固定土壤。 10. soil /sɔɪl/ n.土壤，泥土（不可数） Trees can protect the soil from being blown away. 树木能够保护土壤不被风沙吹走。 11. sandy /ˈsændi/ adj.沙地的；含沙的 sandy land 沙地（课文核心词组） Many volunteers plant trees on the sandy land.许多志愿者在沙地上植树 12. government /ˈɡʌvənmənt/ n.政府 local government 当地政府 The local government supports the tree-planting project. 当地政府支持植树工程。 13. support v. & n. 支持；支援 give support to sb./sth. 给予……支持 The government gives support to forest workers. 政府为林业工作者提供支持。 14. corn /kɔːn/ 玉米 corn 谷物；小麦 corn = 玉米 grow corn 种植玉米 Now people can grow corn on the land after years of planting trees. 经过多年植树改造，如今人们可以在这片土地种植玉米。 thank you $