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2026年度人教版九年级上册Unit 5 Power of Ideas Section B以读促写
教材主题分析
本单元写作情境属于人与社会主题范畴中科学与技术主题群；子主题：科学技术与工程，人类发明与创新。
常见写作任务：介绍某项发明的用途、特点、影响；体裁多为说明文。
教材写作解读（Unit5 Section B 3c P49）
审题指导
1. 文体：说明文
2. 人称：第三人称
3. 时态：一般过去时
教材写作品读（范文+考点溯源）
原文句子 考点解析
What do you think is the most useful invention ①of all time For me,it has to be the telephone. ①of all time 有史以来
The telephone was invented by Alexander Bell in 1876.It ②was supposed to help people talk to others far away. The first telephone was made of simple materials like wood and metal wires. ②be supposed to do sth. 应当做某事；be made of 由…… 制成（看得出原材料）
The inventor had difficulty in making voices travel clearly through the wire. After ③hundreds of tests,Bell finally succeeded. This invention ④led to a big change in communication. ③hundreds of 许许多多；④lead to 导致，造成
It ⑤allowed people to connect with each other easily and quickly. The world was made much smaller by the telephone. ⑤allow…to do sth. 允许…… 做某事
Today,the telephone has developed into mobile phones,and it still ⑥has a big effect on how we live and work. ⑥have a big effect on sth. 对…… 产生重大影响
教材素材积累
开头句
1. 原句：Can you imagine a world without books,newspapers,or magazines
仿写：你能想象一个没有健康的植物的世界吗？
Can you imagine a world without healthy plants
2. 原句：I think the computer is an important invention of all time.（用one of+the+形容词最高级升格）
I think the computer is one of the most important inventions of all time.
3. 原句：Scientists want to find new ways to protect the environment.（用be looking to升格）
Scientists are looking to find new ways to protect the environment.
中间句
1. 翻译：如果你太忙而无暇照料你的植物，你可以完全信赖这个机器人。
If you are too busy to take care of your plants,you can depend on this robot completely.
2. 原句：It waters and feeds the plants on time. It also tells you exactly what to do by sending messages to your phone.（用`not only…but also`合并升格）
It not only waters and feeds the plants on time,but also tells you exactly what to do by sending messages to your phone.
结尾句
1. 原句：It also had a big effect on music.
仿写：新科技对我们的生活和工作方式有着重大的影响。
New technology has a big effect on how we live and work.
2. 原句：This invention will bring the rapid development of farming.（用be responsible for升格）
This invention will be responsible for the rapid development of farming.
3. 翻译：它们逐渐变得流行起来，如今已在全球范围内被广泛使用。
They gradually became popular and now are widely used all over the world.
名言积累
1. Invention stems from need,and creation changes the world. 发明源于需求，创造改变世界。
2. One of the greatest qualities of human beings is their creativity. 人类最伟大的品质之一便是其创造力。
教材写作应用
作文题目
科学需要梦想，发明贵在创新。假如你是一名发明家，你想要发明出什么物品呢？请你以I Want to Invent ____为题，写一篇100词左右的英语短文。
要点提示：
1. What is your invention
2. What does it look like
3. What’s it used for
审作文题
1. 文体：说明文
2. 人称：第三人称
3. 时态：一般现在时
搭建写作框架
- 开头：点明想要发明的物品 → I am looking to invent…
- 中间：介绍发明的外形、特点、用途 → It looks like…; It not only…,but also…
- 结尾：说明这项发明带来的影响 → It’s believed that this invention will be…
小试身手范文
【基础版】
I Want to Invent a Smart Plant Helper
Can you imagine a world without healthy plants To help with the gardening work,I am looking to invent a Smart Plant Helper.
It looks like a small,friendly robot that stands in the soil. It is made from recycled plastic and gets energy from the sun,so it’s environment friendly and most people can afford it. If you are busy and can’t take care of your plants,this robot can help you. It can water and feed the plants on time. It can also tell you what to do by sending messages to your phone. Then we can have healthier plants and gardening becomes easy and fun for everyone.
I think this invention will bring the rapid development of farming and be widely used all over the world.
【提升版】
I Want to Invent a Smart Plant Helper
Can you imagine a world without healthy plants To help with the gardening work,I am looking to invent a Smart Plant Helper.
It looks like a small,friendly robot that stands in the soil. It is made from used plastic and gets energy from the sun,so it’s environment friendly and most people can afford it.If you are too busy to take care of your plants,you can depend on this robot completely. It not only waters and feeds the plants on time,but also tells you exactly what to do by sending messages to your phone. As a result,we can have healthier plants and gardening becomes easy and fun for everyone.
It’s believed that this invention will be responsible for the rapid development of farming and be widely used all over the world.

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