高中英语 Unit 3 The internet Section Ⅰ Listening and SpeakingReading and Thinking学案（含解析）新人教版必修第二册-新人教版高一必修第二册英语学案VIP专享

UNIT 3 THE INTERNET互联网的利与弊With the development of the science and technology, the computer has been becoming the necessity for people in the 21st century.Following, network is of close link with our life, bringing us incomparable convenience on our life and work.Through the network, we can search for useful data and get to know the current events.When you play computer games after a longtime work, it can relieve your pressure and make you feel relaxed.Besides, playing online games is not all bad, for it can fulfill students' entertaining requests as well as practise their response ability.However, there still exists some disadvantages in the network.The radiation from the computer will do harm to people's health if you keep on watching the computer for a long time.And short sight may be caused by it for your eyes stay tense.At present, there are too many games on the Internet, but some of them are not of good quality and even contain some unhealthy content like violence and so on.Due to the lack of recognizing society and selfprotection awareness, some students get addicted in the games and online dating.In fact, network is not that horrible, as long as we know more about it, it will become our right hand on our studies.Let's build a clean network world together.开启快乐学习之旅随着科技的发展，电脑在二十一世纪成了人们必要的用品。随之而来，网络与我们的生活息息相关，给现代人的生活、工作带来了无与伦比的方便。通过网络，我们能查寻有用的资料，了解时事动态等。当你工作了很长时间后去玩电脑游戏，它可以减缓你的精神压力，放松你的心情。并且，上网玩游戏也不完全是坏事，因为学生玩游戏可以锻炼手、脑的反应能力，满足学生娱乐需要。但是网络也有弊。长时间看电脑，电脑发出的辐射对人体有很大的害处，眼睛长期处于紧张状态容易造成近视。现在的电脑游戏众多，某些电脑游戏粗制滥造...