Unit 1 The Changing World Section A 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“环境变化”主题，聚焦沙尘暴、水资源短缺等问题及解决措施，涵盖相关词汇、句型及语篇运用。课堂通过提问“家乡变化原因”和词汇匹配活动导入，以问题排序、听力表格、对话模板为学习支架，衔接词汇积累与语篇表达。 其亮点在于整合听、说、读、写任务，利用音频听力训练信息提取（语言能力），讨论环节引导分析问题解决过程（思维品质），背默与练习巩固知识（学习能力）。采用任务型教学，以表格对比和对话复述总结内容，助力学生提升综合语言运用能力，也为教师提供结构化资源，提高教学效率。

Unit One The Changing World Section A 2a-2d What do you think can make our hometown look like this? farmland shortage 农田短缺 Sandstorms 沙尘暴 Water shortage 缺水 lack of technology 科技短缺 Match the words or phrases on the right with the problems on the left. sandstorms farmland shortage water shortage lack of technology lack of water have no machines, working by hand strong winds with sand fields getting smaller and smaller mountains covered with sand sandy areas don’t know how to do it with technology 2 1 3 4 sandstorms water shortage farmland shortage lack of technology 2a Rank the following problems from 1 to 4, with 1 being the worst. 把……分为等级 For example: I think water shortage is the worst. Because people can’t live without water. And water is important for plants and animals. Listen to the conversation between George’s father and Li Rui’s grandfather and answer the following questions. 1. What problems in 2a did they mention? How do you know it? There used to be sandstorms all the time. The fields were getting smaller and smaller. 2b 5 2. Which used to be the worst problem for Li Rui’s hometown? Sandstorms There used to be sandstorms all the time. After one big sandstorm, we decided to do something. Think: What’s the key to solving the problem? Listen again and fill in the table. How has the environment affected local lives? Past There used to be _______________ all the time. 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. n./adj. 预测sandstorms n.复数 猜测fields n. n./adj. v.原形 n. n. adj. 预测larger n. 类似于bushes adj.比较级 adj. 比较级 预测fewer 预测better一类 影响 Listen again and fill in the table. How has the environment affected local lives? Past There used to be _______________ all the time. 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. sandstorms fields hand long hold areas machines huge trees fewer better 2c Terrible conditions Hard work & green projects Great improvements & good result Listen and imitate How did Bob feel about the changes? How did Grandpa describe the changes? Past tense Present tense Comparatives 9 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. 过去存在 现状感知 决策与行动 困难与过程 结果与影响 Why did people continue doing these things even though it was difficult to plant trees? According to the pictures, try to retell the story. past action present There used to…… The fields…… Locals found…… They planted it…… The corn fields are…… There are fewer…… Let’s think. 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 bigger and bigger.There are fewer sandstorms now and the environment is getting better. Discuss how the problems in 2b were solved. Problems：Sandstorms Farmland shortage 2d Solution： They found a bush .It had long roots that could hold the soil together. They planted the bush in sandy fields with the government's support. Talk about how the problems in Li Rui’s hometown were solved. Pair work A: The area used to ... / There used to be... B: What did they do to ...? A: They .... And now ... has become... There are ... Discussion What brought about the changes in Li Rui’s hometown? People’s wisdom and hard work Government’s support Help of technology Better environment and better life George and his father go back to their country. They want to talk about what they saw and how they felt in China. Now, if you are George and his family, make a conversation and act it out according to the visit. George’s mother: How was your trip to China, darling? George: It was great. I was happy to see my friend Li Rui. And it was amazing to see so many changes over there. George’s mother: Really? What did you see there, George. George:... Section A 2a-2d 重点短语及句型背默 短语背诵版 1.water shortage 缺水 2.farmland shortage 农田短缺 3.lack of technology 科技短缺 4.be amazed by 被...惊讶到 5.the corn fields 玉米地 6.all the time 总是 7.sandy areas 沙地 8.by hand 手工 9.hold the soil 固定土壤 10.since then 从那以后 11.with sb’s support 在某人的支持下 12.local lives 当地人的生活 用现在完成时 Section A 2a-2d 重点短语及句型背默 短语默写版 1.缺水 2.农田短缺 3.科技短缺 4.被...惊讶到 5.玉米地 6.总是 7.沙地 8.手工 9.固定土壤 10.从那以后 11.在某人的支持下 12.当地人的生活 Section A 2a-2d 重点短语及句型背默 重点句型背诵版 1. There used to be sandstorms all the time. 过去常有沙尘暴。 2. Locals worked by hand. 当地人靠手工劳作。 3. Food shortage will happen if we lose too much farmland. 如果我们失去太多耕地，粮食短缺就会出现。 4. We should take action to solve the problem of water shortage. 我们应该采取行动解决水资源短缺的问题。 5. A shortage of clean water is a big problem for poor villages. 纯净水的短缺对贫困村庄来说是一个大问题。 6. Lack of water causes many problems. 缺水会引发许多问题。 7. There is a lack of new technology. 这里存在新技术匮乏的问题。 Section A 2a-2d 重点短语及句型背默 重点句型默写版 1. 过去常有沙尘暴。 2. 当地人靠手工劳作。 3. 如果我们失去太多耕地，粮食短缺就会出现。 4. 我们应该采取行动解决水资源短缺的问题。 5. 纯净水的短缺对贫困村庄来说是一个大问题。 6. 缺水会引发许多问题。 7. 这里存在新技术匮乏的问题。 一、核心词汇 1、短语互译 沙尘暴 ______________ 耕地短缺 ______________ 缺乏技术 ______________ 恶劣环境 ______________ be covered with ______________ hold the soil together ______________ government support ______________ sandstorms farmland shortage lack of technology difficult environment 2、选词填空（每词限用一次） sandy / soil / bush / improve / plant The land was dry and ________. Farmers need good ________ to grow crops. People ________ trees to make the environment better. A ________ has strong roots to keep soil. We hope our life will ________ day by day. 被…… 覆盖 sandy soil plant bush improve 固土 政府支持 1 2 3 4 —I ______ the beautiful scenery of my hometown. A. amaze by B. am amazed by C. am amazing by @ 师说英语 21 1 2 3 4 2. There ______ a big lake in this village many years ago. A. used to be B. used to have C. was used to live @ 师说英语 22 1 2 3 4 3. The wind is blowing strongly, and the sand on the ground is becoming ______. A. more small B. smaller and smaller C.small and small @ 师说英语 23 1 2 3 4 4. This is the tree ______ can stop the sand from moving. A. who B. what C. that @ 师说英语 24 1 2 3 4 5. We have planted lots of trees ______. Now the air is fresh. A. just now B. since then C. yesterday @ 师说英语 25 用括号内动词的正确形式填空，完成句子。 02 We _____________ (plant) many trees since then. People are amazed _________ (see) the great changes here. The river is getting __________ (clean) and cleaner. There ______ (use) to be lots of sandstorms here. This is the bush _________ (have) long roots to hold soil to see have planted used cleaner that has 按要求改写句子，每空限填一词。 03 1. 我惊叹它的美。 I ______ ______ _____ its beauty. 2. There used to be sandstorms here.（改为否定句） There _______ ______ to be sandstorms here. 3.The fields were getting smaller and smaller.（对画线部分提问） ______ ______ the fields getting? 4.It was difficult to plant bushes.（改为同义句） _________ bushes ______ difficult. 5.We have planted trees since then.（对画线部分提问） ______ ______ have you planted trees? am didn’t use How were amazed Planting was How long by 基础巩固类： shortage lack of bush soil sandy machines have planted amazed fewer improved 28 1. There used to be a river near my home, but now there are buildings around here. ... 4. Local people’s life was difficult in the past, but now they are richer and happier. 能力提升类： 星越教育 null 65147.99 null 65147.99 $