《2025年通城学典课时作业本八年级英语上册外研版》

[小试身手]
你校下周将举行英语周活动。假如你是李华,你被推荐作为活动的发言人。请你根据以下要点提示,写一篇英语演讲稿,向同学介绍人类历史上一项重大发明——电脑。
要点：1. 电脑是世界上最伟大的发明之一,它改变了世界和人们的生活；2. 优点：帮助解决问题,让学生学习到更多知识,计算速度快；3. 缺点：长时间使用电脑对眼睛不好……(至少补充一点)；4. 你的看法。
要求：90词左右(开头和结尾已给出,不计入总词数)。
[思路点拨]
① 时态：以一般现在时为主。② 人称：以第三人称为主。③ 写作时,按照次序先后介绍电脑的作用、电脑的优缺点以及自己的观点。
[写作提纲]


[妙笔生花]
Hello, everyone! I’m Li Hua. It’s my great honour to introduce an important invention to you.
The computer is one of the greatest inventions in the world. The computers have changed the world and played an important role in our daily life. They can help solve problems and make students learn more knowledge. Computers calculate faster than we do. But there are some disadvantages. On the one hand, using computers for a long time is bad for eyes. On the other hand, bad information on the Internet can affect students' study easily. In my opinion, it is important for us to use computers properly.
That’s all! Thank you!
(更多精彩作文素材见“背记手册”)

答案： 写作专训 Presenting ideas
One possible version:
Hello, everyone! I'm Li Hua. It's my great honour to introduce an important invention to you.
The computer is one of the greatest inventions in the world. The computers have changed the world and played an important role in our daily life. They can help solve problems and make students learn more knowledge. Computers calculate faster than we do. But there are some disadvantages. On the one hand, using computers for a long time is bad for eyes. On the other hand, bad information on the Internet can affect students' study easily.
In my opinion, it is important for us to use computers properly.
That's all! Thank you!