Unit 1 Lesson 1 课件2025-2026学年冀教版英语八年级下册

该初中英语课件围绕“植树”主题，涵盖天气与植树核心词汇（如temperature, seeding）、步骤描述句型（First/Then/Finally）及环保意义。课堂通过“Watch and say”视频导入春天天气特征，结合树木结构与生长条件视频，搭建从词汇学习到步骤描述再到意义探讨的学习支架。 其亮点在于融合语言能力与文化意识培养，通过听力理解、对话模仿及小组合作提升听说能力，借助植树意义讨论增强环保责任感。语法上辨析reach, arrive用法及when/while从句，锻炼思维品质，配套练习与写作作业助力学习能力发展。学生能在实践中掌握语言技能，教师可直接利用系统活动设计提升教学效率。

Lesson 1 Planting trees Unit 1 Spring is coming! 学习目标 能听懂、认读并运用与天气、植树相关的核心词汇（如 temperature, cloudy, seedling, soil, prevent）和句型（如描述天气变化、表达操作步骤的 First/Then/Finally 等）。 能听懂对话中天气播报、植树步骤和植树意义的关键信息；能模仿对话，用英语简单播报天气并按顺序描述植树的基本步骤，提升听说能力。 了解植树对保护环境的意义，增强环保意识和爱护自然的责任感，乐于参与校园植树等实践活动。 Lead in —How is the weather in spring? Watch and say warm,windy,fresh,rainy,enjoyable √ √ √ √ Listen to the conversation and tick the items mentioned. steps to plant trees weather a way to learn about nature school project different kinds of trees reasons for planting trees Listening 8 Listen to the conversation again and answer the questions. A What's the weather like today? B Why does Li Ming think the project is about planting trees? C How many steps do we need to plant trees? D Why do people plant trees? It's a warm, cloudy day. Because the school project is on March 12 and that day is Tree planting Day. Five steps. Because trees help protect the soil from rainfall and prevent dust from spreading. And Planting trees is also a wonderful way to learn more about nature. What's the weather like 天气怎么样？ the project is about planting trees How many steps Listening Listen - Listen to the conversation again and answer the questions. A What’s the weather like today? B Why does Li Ming think the project is about planting trees? C Why do people plant trees? Work in pairs. What are the basic steps for planting a tree? What are the benefits of planting trees? Talk about all these with your partner. Pair work Language points 1. Who is on weather duty today? duty n.责任；义务；职责。常见用法： (1) It’s one’s duty to do sth. 做某事是某人的责任。 (2) on duty 值班；当班；执勤 (3) do one’s duty 履行某人的职责 e.g. It’s our duty to pay attention in class and ask questions. 在课堂上集中注意力并提出问题是我们的责任。 There are more than two doctors on duty in the hospital. 医院里值班的医生不止两个。 When you see someone in trouble, you should do your duty and offer a helping hand. 当你看到有人遇到困难时，你应该履行你的责任，伸出援手。 2. The temperature will reach 15°C by noon and drop to 2°C at night. reach 作动词时的一词多义： (1) 达到(某阶段、数量或速度等) (2) 到达 (3) 实现；达成 (4) (伸手/ 脚等) 够到；伸出(手、脚等) 常见用法： (1) reach an agreement 达成协议 (2) reach one’s goal 实现某人的目标 (3) reach for 伸手去拿 (4) reach out 伸手 reach 还可作名词，意为“影响范围”。 beyond one’s reach 超出某人的能力范围 e.g. The temperature is expected to reach 25 degrees tomorrow. 明天温度预计会达到25 度。 They reached the village last night. = They arrived at the village last night. = They got to the village last night. 他们昨晚到达了村庄。 One has to work hard to reach his goal. 一个人必须努力去实现自己的目标。 The girl reached for a piece of cake on the table. 女孩伸手去够桌子上的一块蛋糕。 This math problem is beyond my reach. 这道数学题超出了我的能力范围。 Language point 5 3.Trees prevent dust from spreading.   spread v.扩散；传播, 可指疾病、消息、谣言、火势等的传播或蔓延 用法： spread out 展开；散开 spread...on... 把…… 涂抹在 spread the word 传播消息；广而告之 prevent/stop...from spreading 阻止…… 传播 / 蔓延 同义短语为stop/keep... from doing sth eg.We should take measures to prevent the virus from spreading. 我们应该采取措施阻止病毒蔓延。 Leading in Watch the short vedio and say. seed 种子 root 根 stem 茎 leaves 叶子 seeding 幼苗 Leading in Watch the short vedio and say. soil 土壤 sunshine water 水 warmth 温度 While-listening Li Ming: Yes. I learned to plant trees when I visited my uncle last spring. It was so much fun. Ms Liu: Could you tell us the steps for planting trees? Li Ming: Sure. First, dig a large hole. Then, place the seedling inside the hole, and cover its roots with soil. Finally, press down the soil. Oh, don't forget to water the tree. Read and underline. learn to do sth 学习做某事 last spring 去年春天 tell sb sth 告诉某人某事 tell sb to do sth 告诉某人做某事 dig 挖掘 palce v. 放置 be covered with 被……覆盖 press 按压，出版 forget to do 忘记去做……；water 浇水 I learned to plant trees when I visited my uncle last spring. 去年春天我去拜访叔叔的时候学会了种树。 分析结构：这是一个主从复合句。主句是I learned to plant trees，后面是when 引导的时间状语从句；主句中主语是I，谓语是learned，to plant trees 是动词不定式短语作宾语。 探究三 核心句式 all. While-listening Why do people plant trees? Listen and write T or F. Trees can’t help protect the soil from rainfall.（ ） Planting trees isn’t a wonderful way to learn more about nature.（ ） Trees prevent dust from spreading.（ ） F F T protect the soil from rainfall. prevent dust from spreading. a wonderful way to learn more about nature. 辨析：reach, arrive 与get to 相同点 不同点 reach 均可表示“到达” 及物动词，直接接宾语(地点) ，不接介词。 arrive 不及物动词，接宾语时必须加介词：接大地点(国家、城市等) 用arrive in；接小地点(车站、学校等) 用arrive at。 get to 及物动词短语，若后面的地点是副词(如here/there/home) ，则不加to。 · When I am tired, I like to listen to music. 当我觉得累的时候，我喜欢听音乐。 · Call me when you’re finished. 你完成后就打电话给我。 · Now I am learning English while my mum is reading newspapers. 现在我在学英语，我的妈妈在读报纸。 when 和while 都引导时间状语从句。 (1) when 后接“时间点”或“时间段”，用于表示某个动作或事件发生的时间。从句的动作可以和主句的动作同时发生，也可以在主句的动作之前或之后发生。 (2) while 后接“时间段”，主句的动作与从句的动作同时发生，但持续时间一般较长或主句的动作发生在从句的动作进行的过程中。 by noon 意为“到中午之前”。“by + 时间”是一个常用的英语短语，表示“在……之前”或“到……为止”，强调某个动作或事件在某个时间点之前完成。这个短语通常用于表示截止时间或最后期限。 相关短语：by the end of 到……末为止 at noon 在中午 e.g. I will finish my report by noon. 我将在中午之前完成我的报告。 By the end of this month, I will finish reading five books. 到这个月底，我将读完五本书。 I like to take a short break at noon to relax. 我喜欢在中午休息一会儿来放松。 drop to +具体数值，表示“下降到……；降至……” e.g. Prices drop to £ 315 in the low season. 到旅游淡季，价格会降到315英镑。 While-listening Ms Liu: Excellent, Li Ming. Why do people plant trees? Do you have any ideas? Song Hua: Trees help protect the soil from rainfall. Li Lin: Trees prevent dust from spreading. Ms Liu: Good points. Planting trees is also a wonderful way to learn more about nature. I believe you will have agreat time with this project. Read and underline. protect…from… 保护……以免 excellent 优秀的 prevent …from… 阻止……发生 dust 灰尘 good points 好主意 nature 自然 steps to plant trees. 01 a way to learn about nature 03 different kinds of trees 05 02 04 06 weather school project reasons for planting trees Post-listening Listen to the conversation again and tick what they are talking about. Summary Planting trees! Important sentences The steps for planting trees. The reasons of planting trees. phrases by noon protect... from press down prevent... from doing New words duty root spread reach press excellent hole prevent seeding dust good point Exercise 用括号内单词的正确形式填空。 1.The news of the sports meeting has ______ (spread) all over the school in an hour. 2.My mother ______ (press) the clothes for me before I went to school this morning. 3.It’s everyone’s duty (protect) the environment around us. 4.The temperature usually ______ (reach) 35℃ in July in our city. 5.We must do something to prevent the wind from (blow) the sand into the city. spread pressed to protect reaches blowing Homework 1. Read the dialogue fluently. 2. Write a passage about planting trees. 29 Lavf54.6.100 null 111415.305 null 111807.18 null 88869.43 null Other 89104.555 $