Unit 1 Section B(4a-4d) 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，聚焦科技、环境等核心词汇及一般过去时、现在完成时的运用。以“时光档案局”情境导入，通过对比图观察环境变迁，引导学生Brainstorm生活重要事物，再经Survey、Interview收集长辈信息并整理对比，最终以Presentation呈现，构建从观察到实践的学习支架。 其亮点在于通过“利与弊”对比培养批判性思维，采访祖辈理解奋斗历程增强文化意识，小组任务提升学习能力。采用情境化任务链，以“给未来的一封信”反思小结，既助学生提升语言运用与跨文化理解，也为教师提供结构化活动设计，便于高效教学。

Unit 1 The Changing World 4a-4e 用英语记录时代的变迁,畅聊我们的未来。 Learning Objectives 4a 语言能力:掌握科技、环境、交通等核心词汇; 能正确运用一般过去时和现在完成时描述事物与 过去的不同。(学习理解) 01 思维品质:通过“利与弊”对比,培养批判性思维, 客观评价科技发展。(应用实践) 02 文化意识:通过采访祖辈,理解长辈的奋斗历程, 增强对家乡巨变的自豪感。(迁移创新) 03 04 学习能力:在“时光档案局”小组任务中,提升 协作沟通与整合信息的能力。(迁移创新) 时光档案局 Contents 01 Lead in: 时光档案局 05 4c Compare:对比情报整理 02 Look and Share: 破译对比图 06 4d Presentation: 时光演说家 03 4a Brainstorm:生活档案库 07 Reflecting:回望与展望 04 4a Survey & 4b Interview: 情报收集 08 Summary & Homework: 封档与作业 时光档案局 档案重地 非请勿入 时光档案 时光档案 Lead in 机密档案 Look and Share Look at the two photos and share your ideas: ? How are these two photos different? ? How has this place changed over time? ? Why do you think this place changed so much? 教学讲解 (教师引导语:破译第一份时光密信!左边是绿意盎然, 右边是荒漠孤树。这片土地经历了什么?请同学们结合 生活经验,拆解这三个密码。) 差异:从生机勃勃变成了荒芜干裂。 变化:森林被砍伐,河流干涸,土地沙漠化。 原因:过度开发、工业污染、 人类破坏生态平衡。 保护环境已刻不容缓! Look and Share 【时光检验员解密:核对与参考展示】 过渡语 环境在变,生活中的许多事物也在变。 接下来我们要建立“生活档案库”,看看什么对我们最重要。 The first photo shows a green river and fields, but the second shows a lonely tree in the desert. The place has changed from green to desert over time. I think people cut down too many trees and polluted the environment. We must take action to protect our home. 生活档案库 4a Brainstorm 10个 重要事物 4a Brainstorm In groups, think of 10 things that are important in life. technology 科技 物质 environment 环境 物质 transport 交通 物质 entertainment 娱乐 精神 education 教育 精神 shopping 购物 物质 housing 住房 物质 medical care 医疗 物质 These things make up our daily lives. Discuss in your group and add two more things you think are also important. 4a Brainstorm 【时光档案员分享:参考展示】 “时光情报问卷”,去采访长辈们年轻时的故事。 档案库已建立!接下来要制作一份 Family (家庭) 温暖的港湾,家人的陪伴是无价的。 Friendship(友谊)- 分享快乐,分担忧愁。 (人物:学生把卡片贴在“档案薄”上, 向大家展示,充满自豪感。) 过渡语: 这一步需要把4a的设计指令和4b的采访任务结合起来。 4b Survey 4b Survey Design a survey for your parents or grandparents using the 10 things you thought of. 教学 讲解 教师引导语:这份问卷怎么设计呢?教材在4b部分给出了 一个完美的“范例模板”。大家看,这份问卷有一个最重要 的秘诀-用“一般过去时”提问!因为是在问过去。 设计思路: 选择10件事中的3-4件(如科技、交通、娱乐)。 句式参考: What was… like? / How did you…? 过渡语: 设计好问卷后,我们的“情报员”就要出发了! 去听听长辈们怎么说。 ④ 3 What did you do for fun in your free way. in your free time? My Survey What was technology like when you werewhen you were young? How did you usually go to school or work? school or work? What was your favourite way to relaxway to relax? 用一般 过去时 提问! 4c Interview 4b Interview Interview your parents or grandparents about their lives when they were your age. Note down their answers. SURVEY 1 What were computers like when you were young? 2 How did you get to school? How long did it take? 3 What did you do for entertainment when you were my age? 教师引导语:这是采访的具体任务。 注意礼貌用语(Excuse me, could you tell me…?), 一边问一边记,把长辈说的关键词记录下来。 13 4. . 4c Interview 【时光情报解码:核对与参考展示】 Q1: We didn't have computers at home. There was only one in the office, and it was very big and slow. Q2: I rode a bicycle. It took me about 30 minutes. Q3: We played outside, like flying kites and playing football. We didn't have video games. 核对任务: 你的记录完整吗? 补充问题参考答案: What was your housing like when you were young? 4c Interview You: Excuse me, Grandpa. May I ask you some questions? Grandpa: Of course, go ahead. You: What were computers like when you were young? Grandpa: We didn't have computers at home. There was only one in the office, and it was very big and slow. How did you get to school? You: Grandpa: I rode a bicycle. It took me about 30 minutes. You: What did you do for entertainment when you were my age? Grandpa: We played outside, like flying kites and playing football. We didn't have video games. You: Wow, your life was so different! 情报收集完毕!现在需要把“过去”和“现在”的情报整理成一张清晰的对比表! 4d Compare 4d Then vs. Now List the differences between their lives and your own. Then(过去) Now(现在) Most people didn't have computers in their homes. Home computers are common and many people use smart devices. 教学讲解: (教师引导语:教材已经给了一个关键情报(电脑)。) 请根据采访记录,补充另外两行。 注意过去时和现在时的切换!) 4c Then vs. Now 【情报整理核对:参考展示】 深入分析(核心素养): Then: People went to school by bicycle. Now: Many people go to school by car or bus. 教师引导语:情报核对完毕!请大家思考: 交通方便了,但我们运动变少了;娱乐多了, 但面对面交流少了。科技的发展到底是好是坏? 这需要我们用批判性思维去衡量。 Then: People played outside for fun. Now: People play games on phones. 科技的发展 到底是好是坏呢? 过渡语:情报已经整理完毕, 现在需要一位“时光演说家” 上台发布! 4e Presentation 4e Presentation 教学讲解 教师引导语: 发布情报时请注意: 先说过去,再说现在; 条理清晰,语速适中; 鼓励使用: In the past… But now… / However, we should… 4e Presentation 【时光演说家示范稿:核对与参考展示】 Hello everyone! I interviewed my grandfather. He said when he was young, most people didn't have computers in their homes. But now, home computers are common and many people use smart devices. Also, he rode a bicycle to school, but now I take the bus. Great changes have taken place! However, we should not forget to exercise. 评价标准: 内容完整、时态正确、有个人观点, 台风大方。 过渡语:听完这场发布会,我们该静下心来,反思时间带来的改变,展望未来。 Reflecting Reflecting 1-3 What do you think brings about changes? 1 2 Which changes mentioned in this unit impressed you the most? Why? 3 Can you use the simple past and present perfect tenses to talk about changes? 核对答案 / 参考展示 一般过去时 vs. 现在完成时 一般过去时 (simple past) 现在完成时 (present perfect) 表示过去某个时间 发生的动作或存在 的状态。 例:people didn't have computers. 表示过去发生的动作 对现在造成的影响或 结果,或从过去持续 到现在的动作。 例:changes have taken place. 1 .Technology development, environmental awareness, and people's hard work. 2. The change in technology impressed me most because computers are now so small and fast. 一般过去时: Most people didn't have computers. 现在完成时: Great changes have taken place. Reflecting 4-5 What is one change you would like to see in the world? 小活动 What is one change you would like to see in yourself? 用“给未来的一封信” 的方式,写下你希望 世界和自己发生的改变! 核对答案 / 参考展示 I'd like to see less pollution in the world. (全球视野) I'd like to become more confident and self-disciplined. (自我成长) Dear Future, Summary Summary 一、核心词汇: technology, environment, transport, entertainment, education, shopping, housing, medical care 二、核心句型: What was like when you were young? Most people didn't have . Home computers are common. Great changes have taken place in our hometown. 三、情感升华: Change is the opportunity to create a better future. Exercises Exercises 一、选词填空(使用本课核心词汇): technology, environment, transport, education, medical care We should protect the . 2. has changed our lives greatly. Public is very important for a city. Every child has the right to get a good . In the past, people couldn't get good in the countryside. 二、单项选择(一般过去时与现在完成时): Great changes since 2000. take place have taken place took place Most people computers in the past. don't have didn't have haven't had Answers 一、选词填空: environment (环境保护) Technology (科技改变生活) transport (公共交通重要) education (受教育权利) medical care (医疗护理) 二、单项选择: 7. B. have taken place (since 2000 提示用现在完成时) 8. B. didn't have (in the past 提示用一般过去时) 感谢观看 $