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1、Unit 3 The world onlineWelcome to the unit & Reading (I)内容分析：本单元的主题语境是“人与社会”，话题是“互联网与网络时代。Welcome to the uni板块以互联网发展史上的三个创举来帮助学生了解互联网在人类交际 中所起到的作用，激发学生对于互联网其他功能的探究欲；Reading板块以“网 络是无疆世界”为话题，引导学生辩证看待互联网的利弊，培养学生的批判性思 维能力，使他们能够正确使用互联网。本单元卷首的名人名言出自蒂姆伯纳斯-李，意为：“我希望我们能用互 联网跨越障碍，联结文化。蒂姆伯纳斯-李是英国计算机科学家，万维网的 发明
2、者。这句话提现了他对互联网的美好愿景。教学目标：By the end of the lesson, students will be able to:1. know some important milestones in the development of the Internet;think critically and express their opinions on some advantages of the Internet;2. think about what proper online behaviour is.教学重难点：Understand the structure
3、 and keep a proper attitude towards the Internet.教学过程：Step 1 Lead-inThe history of the Internet started in the 1960s. Lets take a short look at a brief introduction of the timeline.Picture 1: Internet History TimelinePicture 2: Population of the Internet usersPicture 3: The most popular uses of the
4、InternetA quote from Tim Berners-Lee: I hope we will use the Net to cross barriers and connect cultures.【设计意图：快速引入话题。在正式进入阅读环节之前，用几张图片和几个问题 让学生大致了解一下互联网的发展史，为下一步的阅读做好顺承和铺垫。】Step 2 Welcome to the unit1. Read the web page and discuss the following questions:What examples of important milestones in the
5、 development of the Internet are mentioned?Possible answer: The first email, webcam and emojis.2. Which of the above inventions do you use most frequently? Why?3. Spot your favorite emoji! Why we love emojis?To lighten the mood by introducing sarcasm or humorTo soften a blowTo find a more comfortabl
6、e way to express ourselves To communicate when words fail us.【设计意图：介绍表情包，吸引学生的的兴趣。】Step 3 Pre-readingWhat do you often do on the Internet?Step 4 Fast readingRead for structure. How is the article organized?Analyze the introduction, main body and conclusion of the article.【设计意图：指导学生通过找主题句快速获取段落主旨，培养学
7、生概括段落大意 的能力。】Step 5 Detailed readingRead for specific information.AdvantagesSupporting detailsAdvantage 1 Having access to (1) a huge amount of infbnnation Gathering infbmiation quickly and easilyAdvantage 2 (2) Having food delivered to you Doing shopping quickly and easily Ordering a taxi with an a
8、pp Making travel arrangements (3) Paying fdi almost everything on the smartphoneAdvantage 3 Keeping in contact with loved ones Finding (4) long-lost fhends Discovering communities who (5) share our hobbies【设计意图：帮助学生梳理文章的关键信息要素。接下来通过完成表格和流程图, 引导学生学会自主阅读、归纳信息、提炼要点。】Step 6 In-depth readingDo you find t
9、he Internet addictive? Why?1. Types of Internet Addiction.2. Internet Addiction symptomsWhat was life like before smartphones?【设计意图：是培养学生深度思考和批判性思维的能力，让学生学会理性地使用 互联网，去其糟粕取其精华。】Step 7 Homework1. Exercises Bl & B2, Page 33;Write a short paragraph about a comparison of the life before and after smartphones.教学反思