介绍电脑的英语作文30字【一】
它，为人类的生活带来许多的方便;它，为人类解决各种不同的问题;它，是现代人最好的朋友;它，就是生活中不能缺少的物品─电脑。电脑的用处有很多，例如：查询资料、看新闻、听音乐、使用文书工具做报告……等，都会需要使用到电脑。
在我写作业时，电脑无意间成了我最好的朋友，协助我完成一样样艰难的任务。有时需要找图片、有时需要查询资料，电脑都能够一一克服这些困难来帮助我完成作业。所谓“成也萧何，败也萧何。”如果我们充分使用电脑，它就能成为协助我们的有效工具;相反的，如果只是利用电脑来玩线上游戏或沉溺于网路交友，那么电脑就会变成一个使人堕落的怪兽。
因为现代人依赖电脑的时间很多，与电脑面对面的时间也很多，因此视力保健就成为一项重要的课题。第一，我们面对电脑屏幕应该要保持适当的距离。第二，我们使用电脑三、四十分钟就要休息十分钟，如果不这么做，就容易造成视力衰退。第三，使用大一点的屏幕，因为使用大一点的屏幕不但看得比较清楚，解析度也比较好。以上几点是使用电脑时大概要注意的事项。
现在，电脑的应用技术还在提升，科技越发达，电脑的'实用性就会越加提升，人类就可以使用电脑来帮助我们处理更多的事情，电脑就显得更便利。我们能够生在二十一世纪的现代，真是太幸福了!
介绍电脑的英语作文30字【二】
My favorite sports star------ Sun Yang
Born on December 1, 1991 in Zhejiang Province, Sun Yang is very tall and the height is 1.99 meters. He was from a sports family.
He won the China's first gold medal in men's swimming game. He worked a miracle. Sun Yang is not only gifted but also diligent. He keeps training and has tenacious willpower; these are worth learning by other people. Sun Yang is a new frontrunner at the sports worlds.
Sun Yang is very popular with the young. He is adorable, charming, childlike and cool. He is kind and has the vigor of youth, and he is a little shy. But Sun Yang is easy-going, always with a smile on his face when he faces our. He sings well and sounds beautiful. To my surprise, he likes dolls very much.
Sun Yang sets us a good example, and Sun Yang has set a new world record of swimming, of which the whole country’s people are proud
介绍电脑的英语作文30字【三】
Computer is a very useful machine. Some of them are big, but some of them are very small .Many people like playing computer. Computer has many functions, so that people can do a lot of things by computer, like watching movies, listening to the music or playing games. It can make our lives very colorful and convenient. Various people can make good use of computer. Children can use computer to learn and play games. Parents can use computers to work. I think computer is a kind of wonderful and interesting machine, so I like computer very much.
电脑是一种很有用的机器。有的电脑很大，但是有的'很小。很多人喜欢玩电脑。电脑有很多功能，人们可以i用电脑做很多事情，比如说看电影，听音乐或者玩游戏。它可以使我们的生活充满色彩和便利。各种各样的人都可以好好利用电脑。小孩子可以用电脑来学习和玩游戏。父母可以用电脑来工作。我认为电脑是一种神奇有趣的机器，所以我很喜欢电脑。
