Unit 4 Inventions 写作精讲精练-2026-2027学年八年级英语上册单元话题写作精讲（沪教版）

污教新版 U4 Inventions 初二上 写作精讲精练 写作话题·Write an article about a new invention(介绍-项新发明) 河教新版初二上U4 Inventions 写作任务Write an article about a new invention(介绍一项新发明) 一、申题 1文体 介绍类说明文（非书信，无称呼和署名；要求条理清晰、内容具体） 2话题 介绍一项你了解的或想象的新发明（如智能手表、折叠手机、翻译笔、机器人等） ③人称 以第三人称it为主（介绍发明本身）；可适当用第一人称we/people说明作用 4时态 一般现在时为主（说明发明的基本功能和现状）；若涉及发明过程可用一般过去时 5要点 〉点明发明名称和类型 ,介绍其主要功能(2~3个) ，说明它给生活带来的好处或改变 ，结束句可表达看法或展望 6字数 80~100词（初中标准要求） 二、 文章结构 (三段式) 段落 内容要点 开头 开内见山，引出发明名称及简单介绍 中间 分条写出该发明的核心功能十每个功能带来的好处 段落 内容要点 结尾 总结评价，或表达发明对未来的意义 三、核心组词造句 核心词汇 词 invention发明 词smat智能的 词 useful有用的 词convenient方便的 词 improve改善 词communicate交流 词 sove解决 词problem问题 常用短语 序号 短语 释义 1 a new invention 一项新发明 2 be used for... 被用于.… 3 help sb do sth 帮助某人做某事 4 make our life easier 让我们的生活更方便 5 not only...but also... 不仅.而且. 6 in the future 在未来 基础造句 This invention is a smart watch. 2 It can help us keep healthy by recording our steps. s People can use it to make phone calls even when they are running 四、好词好句 (更详细) 高级好词 序号 单词 释义 1 portable 便携的 2 functional 功能多样的 3 amazing 合人惊叹的 序号 单词 释义 4 brea kthrough 突破 5 improve efficiency 提高效率 加分句型 引入发明 Today,I would like to introduce a wonderful invention- Have you ever dreamed of having a Now it has come true. 描述功能 (含长句) It is designed to help people which makes daily tasks much simpler. Not only can it,but it also With its help,we can without any trouble. 描述好处 This invention saves us a lot of time and energy. It changes the way we live,work and learn. Thanks to this invention,our life has become more colorful and convenient. 结尾升华句 >I believe this invention will become more popular in the near future. It is truly a useful tool for everyone,young and old. In short,this invention brings us a better life. 五、写作模板 Title:A New Invention Now I am going to introduce a great invention- First, can _For example,it Second,it is also good at This helps people Finally, which makes In my opinion,this invention is very It will in the future. 六、作文仿写 范文A New Invention-Smart Glasses Now I am going to introduce a great invention-smart glasses. First,smart glasses can show information right in front of your eyes.For example,you can see directions without looking at your phone.Second,it is also good at taking photos and videos. This helps people record important moments easily.Finally,smart glasses can help you translate foreign languages in real time,which makes travelling abroad much easier. In my opinion,this invention is very useful.It will change the way we see the world in the future. 写作小贴士 √开头直接点出发明名称，避免绕弯子。 √中间每个功能用“First,Second,Finally"等连接，层次清楚。 √结尾简单总结即可，无需过长。 √控制词数在80~100词，注意主谓一致和时态一致。 拓展范文背诵积累 拓展范文1介绍智能水杯 约96词 Dear Editor, I'm writing to introduce a new invention-the Smart Cup.It looks like an ordinary water bottle, but it has amazing features. First,it can remind you to drink water every hour through gentle vibrations.Second,the cup shows the exact water temperature on its screen,so you never burn your mouth.Third,it keeps your drink hot or cold for 12 hours using special insulation. I believe this smart cup will help people develop healthy drinking habits. Yours, Li Hua 拓展范文2 介绍太阳能背包 约94词 Dear friends, Have you ever worried about your phone running out of battery outside?Now there is a new invention-the Solar Backpack. 1 It has thin solar panels on the front that can charge your phone or tablet while you walk. 2 The backpack is made of lightweight,waterproof material,so it protects your things even in rain. 3 It also has a USB port inside,making it easy to connect your devices. I'm sure this solar backpack will make your outdoor life more convenient. Yours, Zhang Wei