Unit 3 单元话题写作指导- 2025-2026学年外研版（2024）英语八年级上册

该初中英语单元复习讲义围绕“发明”话题构建“词汇-句子-篇章”递进式知识体系，通过分类表格梳理14个核心单词和11个短语，用框架图呈现说明文写作要点（特征、功能、用途），思维导图连接话题词汇、必备句子与范文结构，清晰展现从基础积累到篇章写作的内在联系，突出说明文逻辑组织的重难点。 讲义亮点在于“输入-输出”一体化写作指导，如范文《My Favourite Invention—the Internet》以“分点论述”示范结构，写作训练《How to become an inventor?》引导用“多学习、有兴趣”等要点组织内容，培养语言表达和逻辑思维品质。词汇表和句型库帮助基础学生夯实基础，范文仿写与要点拓展供优秀学生提升，为教师实施分层教学和学生自主复习提供精准支持。

Unit3单元话题写作指导 【单元话题分析】 本单元的话题是“发明”，涉及科普知识与技术等内容。写作体裁多为说明文，写这类文章时一定要抓住事物的特征、功能和用途。 【单元写作指导】 话题词汇必备 【单词】 1. invention 发明 2. smart 智能的 3. imaginative 富有想象力的 4. curiosity 好奇心 5. exploration 探索 6. helpful 有帮助的 7. success 成功 8. unexpected 想不到的 9. talent 天赋 10. important 重要的 11. solve 解决 12. discovery 发现 13. test 验证 14. risk 冒险 【短语】 1. be born with 天生具有 2. lend a hand 帮助 3. work on 致力于 4. fix problems 解决问题 5. hit on success 一举成功 6. make money 赚钱 7. come up with 想出，提出 8. one after another 接连地；一个接一个地 9. have a hard time 遇到困难 10. move around 走来走去 11. by accident 偶然地，意外地 话题句子必备 1. He did lots of research to try to understand it. 他做了大量的研究来试图理解它。 2. His curiosity led him to invent the lightning rod. 好奇心使他发明了避雷针。 3. He spent years studying the sky and the earth. 他花了数年时间研究天空和地球。 4. His curiosity continues to influence scientists today. 他的好奇心继续影响着今天的科学家。 5. It opens one door after another for us to discover a new world. 它为我们打开了一扇又一扇发现新世界的门。 【话题范文必背】 My Favourite Invention—the Internet There are many inventions in the world, but my favourite one is the Internet. It’s helpful in our life. First, it can help us get more knowledge. We can get everything that we need from the Internet. Second, it makes our life much easier and more convenient. We can shop, listen to music, and watch movies online. The Internet makes the world smaller. We can meet and talk to friends and relatives far away by sending e-mails and chatting online. The Internet makes our life more exciting and easier. So of all the inventions, I like the Internet best. 我最喜欢的发明——互联网 世界上有很多发明，但我最喜欢的发明是互联网。它在我们的生活中很有帮助。首先，它可以帮助我们获得更多的知识。我们可以从互联网上得到我们需要的一切。第二，它使我们的生活更容易和更方便。我们可以网上购物、听音乐和看电影。互联网让世界变得更小。我们可以通过发送电子邮件和网上聊天与远方的朋友和亲戚见面和交谈。互联网使我们的生活更令人兴奋和更容易。所以在所有的发明中，我最喜欢互联网。 【话题写作训练】 发明改变世界。不少青少年都梦想成为发明家，他们怎样做才能实现梦想呢？请根据下面的要点提示，以“How to become an inventor?”为题，写一篇80词左右的短文，谈谈你的观点。要点提示：1. 多学习；2. 有兴趣；3. 有创造性；4. 永不放弃。 How to become an inventor? As a middle school student, I think we need to do the following things to become an inventor. First,we need to learn knowledge as much as possible.It's necessary for us to understand how things work well.Second,we should have the habit of thinking. When we are interested in something,we should go for it. Third,we need to be creative. We should always come up with new ideas.Most importantly, we should keep on and never give up. If so,we can become an inventor. 学科网（北京）股份有限公司 $