Unit4介绍一个新发明写作讲解练习-2025-2026学年沪教版英语八年级上册

写作讲解：介绍一个新发明 一、作文题目及要求 你是一名爱思考的学生，设计了一款智能机器人（smart robot） 来解决生活中的小麻烦。请根据以下提纲写一篇英语短文介绍你的发明： 1. ① 它是什么（What it is）；② 它长什么样（What it looks like）； ③ 它能做什么（What it can do）；④ 它的益处（Benefits of it） 1. 要求：语言通顺，语法正确，字数不少于 80 词。 二、重点词汇积累 词汇 音标 中文语义 invention /ɪnˈvenʃn/ 发明（名词） invent /ɪnˈvent/ 发明（动词） robot /ˈrəʊbɒt/ 机器人（名词） appearance /əˈpɪərəns/ 外观（名词） feature /ˈfiːtʃə(r)/ 特征（名词） function /ˈfʌŋkʃn/ 功能（名词） benefit /ˈbenɪfɪt/ 益处（名词） convenient /kənˈviːniənt/ 方便的（形容词） efficient /ɪˈfɪʃnt/ 高效的（形容词） creator /kriˈeɪtə(r)/ 创造者（名词） 三、必备短语表达 1. 介绍…… 给……： . 1. 想出： . 1. 看起来像： . 1. 由…… 组成： . 1. 帮助某人做某事： . 1. 例如： . 1. 节省时间： . 1. 日常生活： . 1. 解决问题： . 1. 带来便利： . 1. 自动地： . 1. 提醒某人某事： . 四、写作句型仿写 1. 引出发明（含过去分词作定语） 例句：I’d like to introduce my new invention called a smart robot. 仿写： . 1. 描述外观（含定语从句） 例句：It is a machine that looks like a cute puppy with big eyes. 仿写： . 1. 说明多项功能（First...Second...Also... 结构） 例句：First, it can clean the room. Second, it can cook meals. Also, it can play games with me. 仿写： . 1. 阐述益处（原因状语从句） 例句：It is very useful because it can make our life easier. 仿写： . 1. 询问并引发兴趣（一般疑问句 + 定语从句） 例句：Have you ever thought about a tool that can do homework for you? 仿写： . 1. 总结评价（感叹句） 例句：What a wonderful invention it is! 仿写： . 五、文章示例 六、写作练习题目 请以 “My New Invention—A Flying Bag” 为题，根据以下提纲写一篇英语短文介绍你的发明： 1. ① 它是什么（What it is）；② 它长什么样（What it looks like）；③ 它能做什么（What it can do）；④ 它的益处（Benefits of it） 1. 要求：语言通顺，语法正确，字数不少于 80 词。 1 学科网（北京）股份有限公司 $ 写作讲解：介绍一个新发明 一、作文题目及要求 你是一名爱思考的学生，设计了一款 智能机器人（smart robot）来解决生活中的小麻烦。请根据以下提纲写一篇英语短文介绍你的发明： 1. ① 它是什么（What it is）；② 它长什么样（What it looks like）； ③ 它能做什么（What it can do）；④ 它的益处（Benefits of it） 1. 要求：语言通顺，语法正确，字数不少于 80 词。 二、重点词汇积累 词汇 音标 中文语义 invention /ɪnˈvenʃn/ 发明（名词） invent /ɪnˈvent/ 发明（动词） robot /ˈrəʊbɒt/ 机器人（名词） appearance /əˈpɪərəns/ 外观（名词） feature /ˈfiːtʃə(r)/ 特征（名词） function /ˈfʌŋkʃn/ 功能（名词） benefit /ˈbenɪfɪt/ 益处（名词） convenient /kənˈviːniənt/ 方便的（形容词） efficient /ɪˈfɪʃnt/ 高效的（形容词） creator /kriˈeɪtə(r)/ 创造者（名词） 三、必备短语表达 1. 介绍…… 给……：introduce...to... 1. 想出：come up with 1. 看起来像：look like 1. 由…… 组成：be made up of 1. 帮助某人做某事：help sb. (to) do sth. 1. 例如：for example /such as 1. 节省时间：save time 1. 日常生活：daily life 1. 解决问题：solve problems 1. 带来便利：bring convenience 1. 自动地：automatically 1. 提醒某人某事：remind sb. of sth. 四、写作句型仿写 1. 引出发明（含过去分词作定语） 例句：I’d like to introduce my new invention called a smart robot. 仿写：I want to show my new invention named a self-driving bike. 1. 描述外观（含定语从句） 例句：It is a machine that looks like a cute puppy with big eyes. 仿写：It is a device that looks like a small car with four wheels and a screen. 1. 说明多项功能（First...Second...Also... 结构） 例句：First, it can clean the room. Second, it can cook meals. Also, it can play games with me. 仿写：First, it can deliver books to classrooms. Second, it can charge mobile phones. Also, it can play English songs for us. 1. 阐述益处（原因状语从句） 例句：It is very useful because it can make our life easier. 仿写：It is quite helpful because it can save students a lot of energy. 1. 询问并引发兴趣（一般疑问句 + 定语从句） 例句：Have you ever thought about a tool that can do homework for you? 仿写：Have you ever dreamed of a device that can help you find lost things? 1. 总结评价（感叹句） 例句：What a wonderful invention it is! 仿写：How amazing my new invention is! 五、文章示例 My New Invention—A Smart Robot Have you ever wished for a helper that could make your daily life more convenient? Let me introduce my new invention—a smart robot. This smart robot looks like a lovely cat. It has a pink body, two bright blue eyes, and a tiny yellow nose. It is about 30 centimeters tall, so it can move around my room freely. What can it do? It has many fantastic functions. First, it can help my parents with housework. It can vacuum the floor, wash the dishes, and water the plants. Second, it can assist me with my studies. When I meet difficult math problems, it can explain them step by step. Also, it can tell funny jokes to make me laugh when I’m sad. Why is this smart robot so great? The main benefit is that it brings a lot of convenience to my family. My parents have more time to enjoy their hobbies, and I can study more efficiently. What a useful invention it is! 六、写作练习题目 请以 “My New Invention—A Flying Bag” 为题，根据以下提纲写一篇英语短文介绍你的发明： 1. ① 它是什么（What it is）；② 它长什么样（What it looks like）；③ 它能做什么（What it can do）；④ 它的益处（Benefits of it） 1. 要求：语言通顺，语法正确，字数不少于 80 词。 My New Invention—A Flying Bag Do you often feel tired when carrying heavy books to school? Let me introduce my new invention—a flying bag. It looks like a normal schoolbag but has two small wings on the back. It is black and red, my favorite color combination, and has a small button on the front. It’s not too big, so it can fit all my textbooks and notebooks. What can it do? It can carry my books just like a regular bag. But when I’m in a hurry, it can fly in the air! It can also show me the way to school with a built-in GPS. Additionally, it can play my favorite music when I feel bored. Why is this flying bag amazing? The biggest benefit is that it saves me a lot of time and energy. I don’t need to walk slowly with heavy books anymore. It’s also very fun to fly above the street. What a cool invention it is! 1 学科网（北京）股份有限公司 $