Unit1 SectionA 2a--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“The Changing World”主题，聚焦环境问题及解决方法，核心词汇包括sandstorm, farmland shortage等。课堂通过2a Free talk让学生对问题排序并阐述理由，承接上节课描述变化的内容，引导思考原因，搭建从描述到分析的学习支架。 其亮点在于任务链设计驱动核心素养发展，听力活动（2b、2c）培养信息捕捉与分析能力（思维品质），对话练习（2d）和小组讨论身边环境问题提升语言表达（语言能力），案例渗透实际行动价值（文化意识）。学生能在真实语境中运用词汇，教师可依托结构化活动高效教学。

SectionA 2a--2d 1. 语言能力：掌握基础词汇sandstorm, farmland, shortage, bush, hold the soil, by hand的用法，以及一些环境类词汇。 2. 思维品质：通过听力，能准确捕捉和获取从过去到现在的变化情况，思考得出原因和启示。 3. 文化意识：从人们探索改变的方式，到找到方法，去通过实际行动来改变落后，最后实现目标的过程，鼓励我们通过实际行动去实现梦想。 4. 学习能力：在上节课基础上，不仅仅会描述过去到现在的变化，还要弄明白这些变化的原因和人们勤奋努力背后的精神。 教学目标： Meet the new words and expressions. 1. sandstorm 2. farmland 3. shortage 4. lack 5. bush 6. root 7. soil 8. sandy 9. government 10. support 11. corn 1. 沙尘暴 2. 耕地 3. 短缺 4. 缺乏 5. 灌木 6. 根 7. 土壤 8. 铺满沙子的；含沙的 9. 政府 10. 支持 11. 玉米；谷物 2a Rank the following problems from 1 to 4, with 1 being the worst, give your reasons. Free talk sandstorms 沙尘暴 difficult environment 恶劣的环境 farmland shortage 耕地短缺 lack of technology 技术匮乏 Read the expressions first and understand the meaning of them. I think farmland shortage is the worst, because people need farmland for food. 2b. Listen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention? Sandstorms, difficult environment, farmland shortage. How to solve the problems? Can you guess? 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_______.________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 envi- -ronment is getting________ ·It has improved local lives. 2c Listen again and fill in the table. How has the environment affected local lives? Listen three times sandstorms farmlands hand long areas With technology larger trees fewer better hold Bob: I'm _________ by how green your hometown has become! Grandpa: Have you seen the corn fields outside of the town yet? Bob:Yeah! _______________! Grandpa: __________________ sandstorms all the time, and the fields ________________ smaller and smaller. Then, after one big sandstorm, we _____________________________. Bob: ______________________? Grandpa: We found a small bush. It had long roots that could __________________. We began planting it in sandy areas. The government provided support too. amazed They're huge There used to be were getting decided to do something What did you do hold the soil together Bob:_________________ to plant so many bushes? Grandpa: Yes, it was. In the beginning, we worked _____________. Later we had _________ to help. We ______________ many bushes and trees since then. There are________ sandstorms now and the environment ______________ better. It has also improved our lives. Everyone has become__________________ Wasn't it difficult by hand machines have planted fewer is getting richer and happier. 2d Discuss how the problems in 2b were solved. 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 greener. A: There used to be terrible sandstorms here. B: What did they do to solve the problem? ... Work in pairs to discuss the problems in 2a, and find the ways to solve them. A: There used to be farmland shortages. B: What did they do to solve the problem? ... Work in pairs to discuss the problems in 2a, and find the ways to solve them. A: There used to be lack of technology. B: What did they do to solve the problem? ... Work in pairs to discuss the problems in 2a, and find the ways to solve them. Discuss in groups and describe an environmental problem around you and give ways to solve the problem. 1. The river along our city is polluted and dirty. 2. There are fewer big trees along the road in front of our school. 3. In te morning, the traffic is so terrible, so many people, so crowded. Exercises 词汇英汉互译 1.sandstorms___________ 2. farmland shortage____________ 3. lack of technology_____________ 4. difficult environment_____________ 5.把土壤固定在一起______________________ 沙尘暴 耕地不足 技术匮乏 恶劣的环境 hold the soil together 二、听力原文填空 Past 1. There used to be ___________all the time and the __________ were getting smaller and smaller. 2. Locals worked by________ Action 3. Locals found a bush. It had ________roots that could _______ the soil together. sandstorms farmlands hand long hold 4. They began planting it in sandy________. With the government's support. 5. They had ______________ to help. Present 6. The corn fields are_________. 7. They have planted many bushes and __________ since then. 8.There are ________sandstorms now . areas technology huge trees fewer Homework 1. recite the phrases in 2a. 2. Retell 2c according to the table. 3. Write new dialogues to describe the problems and find ways to solve them. null 75075.43 null 74631.305 $