Unit 3 Writing写作课件 2025-2026学年 沪教版七年级英语下册

Unit 3 Trees and us 主题范畴： 人与自然 主题群： 自然生态；环境保护 子主题： 热爱与敬畏自然，与自然和谐共生 Key question Why do we need trees? After learning, you’ll be able to: 学会用现在进行时态描写植树节的活动。 通过课本所给出的写作步骤，学会谋篇布局来完成话题写作。 能根据要点叙述文章, 并用上表示序列的词语。 Learning objectives 学习目标 假设你是一名广州的七年级学生李华,你的学校将举行环保周活动，请根据以下要点提示，完成一篇保护树木的演讲稿，号召大家一起行动起来，保护树木。 要点 内容 树木的重要性+现状 树木能帮助净化空气，是重要的环保卫士； 树木为人们提供水果、木材等，让人类生活更方便； 人类毁坏(destroy)森林，这导致(cause)树木数量减少。 保护树木的措施 举办宣传活动，呼吁人们停止砍伐 3R：减少（reduce）纸的使用（如双面书写或打印）； 重复利用（reuse）纸张（如从图书馆借书或与同学共享图书）； 垃圾分类，以便回收再利用（recycle）。 购买森林友好型的产品而不是使用一次性筷子； …… 号召大家保护树木 树木对人类贡献很大，保护树木是我们共同的责任，所以让我们共同努力。 如果每个人都能从现在开始种树，那我们将拥有一个更适合居住的地方。 Basic structure of a description of the importance of trees! 01 03 02 Part 1 （why？） The importance of trees and its present situation Part 2（How？） How to protect trees Part 3 （Summary） Call for actions Part1: importance+ present situation 1. Topic sentence: 在一开始，我想谈谈树木的重要性和它的现状（present situation） ）。 To begin with, I would like to talk about the importance of trees and its present situation. 2. 树木,我们沉默的朋友，能帮助净化空气，是重要的环保卫士（同位语，environmental guard）。 Trees, our silent friends, can clean the air and are important environmental guards. 3. 树木不仅仅为人们提供水果，还提供木材等，让人类生活更方便。(not only... but also...; which引导的非限制性定语从句) 4. 现状：然而，人类正在砍伐树木，污染水源和空气，这对树木都是有害的(which引导的非限制性定语从句, be harmful to) They provide us with not only delicious fruit but also useful wood, which makes our lives more convenient. However, people are cutting down forests, polluting the water and the air, which is harmful to trees. Therefore, it’s time for us to take measures/action to protect trees. 1.Topic sentence：因此，我们是时候要采取行动保护树木。(therefore, it’s time for sb. to do sth.) 2. 措施(课本P43页：5点措施) Part2: How to protect Trees 1. It is adj. for sb. to do sth. 2.We should try our best to do sth. 3.We should take action to do sth. 4. It’s our common duty to do sth. 5. We need to do sth.... 6. We should/ are supposed to do sth./ought to do(应该) sth. 注意：用连接词来连接五点措施: First of all, Second, What’s more, In addition, Apart from this, Last but not least... In a word, protecting trees is our common duty/responsibility. Part3: Summary: Call for actions 2. 因此，为什么不养成保护树木的习惯，共同拯救地球？（why not do sth.） Therefore, why not develop a habit of protecting trees and saving our world together? 1. 简而言之，保护树木是我们共同的责任。(common duty/responsibility) 3. 改变从你开始！让我们为了一个更好的地球齐心协力！ Change begins from you! Let’s work together for a better earth! 4. 我们呼吁所有人行动起来，保护树木。让我们从今天开始！ We call on everyone to take actions on protecting trees. Let’s start from today! 5. 是时候行动了，而不是只停留在口头上 It’s time to take action, not just words. 6. 让我们为了将来的世代，共同努力 Let’s work together for our future generations. 7. 我们需要尽早开始行动 It’s necessary for us to take action as soon as we can. Part3: Summary: Call for actions Trees are important Protecting _________ Hello, everyone! I'm Lihua. I will make a speech about/on protecting _________ today. To begin with, I'd like to talk about the importance of _________ and its present situation(现状). _________ plays an important role in our daily lives. For example, _________. Trees also _________. However, humans _________. Therefore, it's time for us to take measures/actions采取行动 to protect _________. First, don't _________. Second, it's necessary(必要的) for us to _________ so that(以便于) we can _________. Apart from this, we can also _________. In addition to(除..之外) protecting _________, we also need to save as much as we can(尽可能地多). On the one hand, we should _________. On the other hand, we'd better _________. For example/instance, we can _________. In a word, protecting(动名词作主语) _________ is our common duty/ responsibility(共同的责任). Therefore, why not develop a habit of（养成...的习惯） protecting _________ and saving _________. 假如你是李华，植树节来临，请你写一封倡议书。 倡议书中需要涉及如下内容：树木的重要性和现状，保护树木的措施，号召大家保护树木，条理清楚，意思连贯，语句通顺，80词左右。 参考词汇：Tree Planting Day植树节 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 认真学习范文中的短语、句型和连贯词，订正堂上习作中的错误并润色； 和小组成员分享习作，并且在作文本中记录组员的优秀句子。 Thank you! 12 $