Unit 1 Section B 2a-3d课件 2026-2027学年人教版初中英语九年级上册

该初中英语课件围绕“变化”主题，聚焦复合词构成规律、used to句型运用及环保故事，通过塞罕坝今昔照片对比和视频导入，引导学生观察环境变化，过渡到个人生活变化讨论，结合复合词规律总结、对比表格等学习支架，帮助学生构建知识脉络。 其亮点在于融合文化意识与语言能力培养，以塞罕坝生态治理案例为载体，通过小组讨论、对比分析提升思维品质，采用写作框架、互评量表等任务型教学方法。学生能增强文化自信和语言运用能力，教师可借助结构化资源提高教学效率。

The Changing World Section B 2a-3d Unit 1 通过本节课的学习，同学们将能： 1. 掌握复合词构成规律，运用used to句型描述过去与现在的变化，完成选词填空与短文写作； 2. 学会利用语境、词根等策略记忆单词，主动探究生活变化的表达； 3. 了解塞罕坝生态治理成就，感知中国环保故事，增强文化自信； 4. 通过对比分析、小组讨论，培养归纳与表达能力。 Look at the photos of Saihanba: 60 years ago(sand dunes) and now(forests)． 2.What changes have taken place? 1.What can you see in these two pictures? In the first picture, we can see sand dunes and a barren land. In the second picture, we can see a large green forest with a tower. The sand dunes have turned into forests, and the environment has become much greener and more beautiful. Lead in Watch a video about Saihanba. Free talk 1.Who helped change Saihanba? 2.What was the result of their hard work? Wang Shanghai, 369 people, and the government. According to the video answer the following questions. They made the world’s biggest man-made forest, and Saihanba became “a green miracle”. How is your life different from when you were in Grade 6? (using the structure “I used to... Now I...”) I used to study alone, but now I often study in groups with my friends. I used to study alone, but now I often study in groups with my friends. I used to play computer games every day, but now I like reading books after class. Work in pairs or groups to discuss： 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? green sand high farm rail + storm way land house road = greenhouse, 复合词构成规律：修饰词+核心名词=新的复合名词 1.组合方式:左边的词(多为名词/形容词)+右边的词(多为名词) =新的复合名词。 green (形容词)+ house (名词)= greenhouse (温室) sand (名词)+ storm (名词)= sandstorm (沙尘暴) 2.语义逻辑:前一个词用来修饰 / 限定后一个词,表达一个更具体的概念。 high (高的)+ way (路)= highway (高速公路，即 “高等级的路” ) farm (农场)+ land (土地)= farmland (农田，即 “用于农场的土地” ) rail (铁轨)+ road (路)= railroad (铁路，即 “铺有铁轨的路” ) sandstorm, highway farmland, railroad 2b Complete the sentences with the words in the box. product corn bridge wide capital 1.The road used to be narrow and dirty. Now, it is and clean. 2.The made it convenient for the villagers to travel across the river to the city. 3.Beijing,China’s , hosted the 2008 Summer Olympics and the 2022 Winter Olympics. 4.Our farm has a lot of laying hens. They feed on ,vegetables, and insects. 5.Look! This is a digital that only sells online. wide bridge capital corn product 解题步骤 1.先通读所有句子,理解大意 2.分析每个空格的词性需求(形容词/名词/动词等) 3.结合语境、常识、固定搭配筛选最合适的词 4.代入检查,确保语义和语法都通顺 2c Complete the passage with the correct forms of the words in the box. government bush sandstorm result sandy soil In 1962,Wang Shanghai moved with his family from their house in Chengde to the lands of Saihanba. There were few trees to hold the together, and there were often .Temperatures were below freezing during the winter. Life there was very difficult. With support from the ,Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. Over the next 60 years, workers planted and trees, creating the world’s biggest man-made forest. Today, Saihanba is known as “the green miracle”. This is the of hard work and people working together. Now, the land is covered with green trees and the water is clean and fresh. sandy soil sandstorms government bushes result 2c What other stories do you know about China’s environmental achievements? I know the story of the Three-North Shelterbelt. It’s a big man-made forest project. People plant lots of trees in the north of China. It stops sandstorms and makes the air cleaner. It’s a great environmental achievement of China. 3a Read the text. What has stayed the same in the student’s life? Changes in My Life Now that I am older, my life is different from when I was in primary school. For example, my primary school was near my home, so I used to walk to school with my parents. Now my junior high school is farther from home. I take a bus every day with my friends. My home has changed too. My family used to live in a small flat, but now we have moved to a much larger one. My grandma lives with us now as well. She has her own room and her own TV set. I am glad that I get to see her every day. The way I study is also different. I have become more confident in my studies and often attend group discussions. I enjoy studying with my friends. It's amazing how much we have achieved together. My life has changed in many ways, but one thing has stayed the same: the feeling of love and happiness shared by my family. The feeling of love and happiness shared by the student’s family has stayed the same in his life. 3b Complete the table with the information from the text. Aspect Past Present school home study primary school was near home; walked to school with parents junior high school is farther from home; takes a bus every day with friends lived in a small flat; Grandma did not live with them has moved to a much larger flat; Grandma lives with them not specified in detail has become more confident in studies; often attends group discussions; enjoys studying with friends Aspect Past Present home school study neighbourhood transport environment 3c Think back to when you were in primary school. In what ways has your life changed? Make notes in a table like the one in 3b. lived in a small old house live in a big new apartment small primary school with few teachers large middle school with many courses studied alone, less confident studies in groups, more confident quiet with few shops busy with supermarkets and parks walked or rode a bike to school takes the subway or a bus to school few trees, some rubbish many trees, clean streets 3d Choose three changes. Write a short passage about them. End with one thing that has stayed the same. 从3c表格中选择3 个变化展开描述。开头引入变化 → 主体分述 3 个变化（用I used to... Now I...） → 结尾点明1 个不变的事物。 词数：80–100 词，时态准确（一般过去时 ↔ 一般现在时）。 参考写作框架： My life has changed a lot since I was in Grade 6. First, I used to __________, but now I __________. Second, my __________ has changed too. I used to __________, but now I __________. Third, I used to __________, but now I __________. But one thing has stayed the same: __________. Changes in My Life My life has changed a lot since I was in Grade 6. First, I used to walk to primary school with my parents because it was near my home. Now my junior high school is farther, so I take a bus with my friends every day. Second, my home has changed too. I used to live in a small flat, but now we have moved to a bigger one and my grandma lives with us. Third, I used to study alone and felt shy in class. Now I’m more confident and often join group discussions. But one thing has stayed the same: the love from my family. Sample 单元主题写作 本单元的写作围绕“变化”这一核心主题展开，引导我们从个人生活与生态环境两个层面，用今昔对比的方式记录变化，并在变化中提炼不变的精神内核：在个人生活变迁的微观视角上，以学生从小学到初中的成长为载体，从上学方式、居住环境、学习模式等方面，用used to... Now...句型描述具体变化；在生态环境变迁的宏观视角上，以塞罕坝的绿色奇迹为典型案例，展现生态治理的宏大变化；写作核心要求为采用“个人变化＋环境变化＋不变内核”的三段式结构，用对比逻辑清晰呈现内容，熟练运用used to... Now...句型描述今昔差异，结合单元词汇(如sandstorm, bush, capital等)丰富表达，并在描述变化的基础上点明“变化中的不变”——个人层面的亲情与社会层面的奋斗精神，让文章有温度、有深度。 Beginning 点明主题，总领全文 This unit is about changes.We can see changes in both our personal lives and the environment around us. Body 个人生活变化 I used to···Now I···. My family used to ···. Now we ···. I used to ···. Now I often ···. Ending 升华不变的精神内核 Our lives and the environment have changed a lot… These things give us warmth and strength. 标 题 思路引导 环境变化 Finally, recycle. It’s all about dealing with waste materials correctly. Remember that... / We should also... 词句积累 开头句: Nowadays, many things around us are changing. My life has also changed a lot, and the environment of our country has made great progress too. 中间句: 1. I used to walk to primary school with my parents, because it was near my home. Now I take a bus to junior high school with my friends, as it is farther. 2. My family used to live in a small flat. Now we have moved to a larger one, and my grandma lives with us. 3. I used to study alone. Now I often join group discussions and enjoy studying with my friends. 结尾句: Although so many changes have taken place, one thing stays the same: the love from my family and the spirit of working hard to make the world better. Sample Changes Around Us Now, our world is full of changes. Both my personal life and the environment have changed a lot. In my life, I used to walk to primary school with my parents because it was close to home. Now I take a bus to junior high school with my friends, as it is farther. My home has changed too—we used to live in a small flat, but now we have a larger one, and my grandma lives with us. For study, I used to study alone, but now I like joining group discussions with my friends. The environment has also changed greatly. Saihanba used to be sandy land with few trees and many sandstorms. With the government’s help, people planted bushes and trees, turning it into a beautiful man-made forest. Though many things have changed, the love from my family and the spirit of working hard to improve our world always stay the same. 随着时间的推移，我们的生活、学习或周围的环境总会发生一些变化。请以“Great Changes in My ________________”(如：Life，Hometown，Study等)为题，写一篇80－100词的英语短文。 要求： 1. 补全题目，明确写作对象(生活、家乡、学习等)； 2. 用一般过去时描述“过去的情况”，一般现在时描述“现在的情况”，体现“变化”； 3. 至少写出2个具体的变化，语句通顺，语法正确，书写规范； 4. 文中不得出现真实的人名、校名。 写作实践 Great Changes in My Life My life has changed a lot in the past two years. When I was in primary school, I used to be quiet and shy. I was afraid to speak in front of others and never joined group activities. Now I am a junior high school student. I have become more outgoing. I often talk with my classmates and teachers, and I enjoy attending different kinds of group discussions. Besides, I used to walk to school, but now I take a bus every day because my school is farther from home. These changes make my life more colorful and meaningful. I am glad to see how I have grown up. Sample 1 Great Changes in My Hometown My hometown is a small town, and it has changed greatly in recent years. In the past, there were only narrow and dirty roads. People used to travel by bike or on foot, and there were few tall buildings. But now, the roads are wide and clean. Many tall buildings have been built, and people can take buses or cars to go anywhere easily. There is also a beautiful park in our town where people can exercise and relax. I love my hometown’s new look. It becomes more and more beautiful, and people’s life is getting better and better. Sample 2 Great Changes in My Study As I grow older, my study has changed a lot. When I was in Grade Seven, I used to be bad at English. I couldn’t remember new words easily and was afraid to speak English. Now, with the help of my teacher and classmates, I have made great progress. I read English every morning, take notes carefully in class, and often practice speaking with my friends. I have become more confident in English and even get good grades in exams. These changes tell me that as long as I work hard, I can improve myself. I will keep trying in the future. Sample 3 Check with your deskmate against the scoring criteria and give each other suggestions for improvement. Mutual scale(互评量表) 互评 建议 内容：包含3个变化+1个不变的事物，紧扣主题，内容具体(5 分)；缺少1个要点(3-4 分)；内容空洞(1-2 分) 语言表达：时态准确，used to使用正确，词汇丰富，无语法错误(5 分)；少量错误(3-4 分)；较多错误(1-2 分) 结构和书写：逻辑清晰，连接词(First/Second/Third/But) 使用恰当，结构完整(5 分)；结构略有欠缺(3-4 分)；结构较混乱(1-2 分) Language points 1. narrow adj. 狭窄的 原文再现：The road used to be narrow and dirty. Now, it is wide and clean.这条路过去又窄又脏。现在，它又宽又干净。 narrow 形容词 (adj.) “狭窄的”；反义词：wide “宽的”。在句中主要作： (1) 表语(放在系动词后,描述主语特征) 例： The road is narrow.这条路很窄。 (2) 定语(放在名词前,修饰名词) a narrow road一条狭窄的路 (3) 宾语补足语(补充说明宾语) 例：We found the road too narrow.我们发现路太窄了。 【对点练习】 1.The road is too ______ for two cars to pass each other. A. narrow B. wide C. long D. short 2.The road used to be narrow, but now it is ______. A. narrow B. wide C. dirty D. small 3.The river is much ____________ (narrow) than it was 10 years ago. A B narrower 2. villager n. 村民 原文再现：The bridge made it convenient for the villagers to travel across the river to the city.这座桥让村民们过河进城变得方便。 village(村庄)+ -er(表示 “人” 的后缀)→villager(村民)。 常见搭配：local villagers 当地村民；the villagers’ life 村民们的生活 例：The new hospital brings great convenience to the villagers.这家新医院给村民们带来了极大的便利。 【对点练习】 单词变形填空 1.Many ___________ (villager) come to the town to sell vegetables. 2.The old __________ (village) told us a story about the mountain. 3.The _____________ (villager) houses are very small but warm. villagers villager villagers’ 3. lead v. (led, led)带领；过(某种生活) n. 领先地位；主角 原文再现：With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better.在政府的支持下，王尚海带领一支369 人的队伍，他们下决心要让塞罕坝的环境变得更好。 lead 作及物动词(后可直接加宾语),最常用结构为lead sb. to do sth.(带领某人做某事),在句中作谓语,时态随语境变化。 例：Our teacher leads us to read English aloud every morning.我们的老师每天早上带领我们大声朗读英语。 He is in the lead in the running race. 他在跑步比赛中处于领先地位。 【对点练习】 1.The guide ______ us ______ the Great Wall and told us many stories about it. A. lead; to visit B. led; visit C. led; to visit D. leads; to visit 2.Mr. Zhang ______ (lead) us to visit the museum last week. 3.这位村干部带领村民们修建了一条新路。 The village leader _______ the villagers to build a new road. C led led 4. discussion n. 讨论；商讨 原文再现：I have become more confident in my studies and often attend group discussions.我在学习上变得更加自信了，还经常参加小组讨论。 discussion 作可数名词, 在句中可作宾语、主语、定语。 搭配：have a discussion 进行讨论；group discussion 小组讨论 例：I often attend group discussions about my studies, so I become more confident.我经常参加关于学习的小组讨论，所以我变得更加自信。 【对点练习】 1.—What are they doing? —They are having a ______ about the coming sports meeting. A. discuss B. discussing C. discussion D. discusses 2.他们昨天就环保问题展开了讨论。 They ______ ______ _____________ about environmental protection yesterday. 3.They had two _____________ (discuss) about the school trip last week. C had a discussion discussions Exercises 一、翻译下列单词或短语 1.狭窄的道路 — ______________ 2.村民们 — ___________ 3.奥林匹克运动会 — ______________________________________ 4.带领某人做某事 — ___________________ 5.人造奇迹 — _____________________ 6.a junior high school — ____________ 7.a small flat — _____________ 8.have a discussion — ______________ narrow road villagers the Olympics/the Olympic Games lead sb. to do sth. man-made miracle 一所初中 一套小公寓 进行讨论 二、单项选择 1.The river is too ______ for big ships to sail through. A. narrow B. wide C. long D. short 2.We had a ______ about our new term resolutions in class yesterday. A. discuss B. discussion C. discussing D. discussed 3.The ______ of the small village are working hard to make their home more beautiful. A. villager B. villagers C. village D. villages 4.Our teacher often ______ us to read more English stories. A. lead B. leads C. led D. leading 5.We should think about every ______ of the plan before we start. A. aspect B. flat C. miracle D. villager A B B B A Homework 1.搜集 1 个中国环保成就的小故事(如 “三北防护林”“蚂蚁森林”),用 5 句话介绍。 2.采访家人:How has your life changed in the past 10 years? 记录并整理成 1 段对话。 Thanks Lavf59.27.100 $