Unit 3 Welcome to the unitand Reading (1) ppt课件-（2020）新牛津译林版高中英语高一下学期必修第三册.rar

Unit 3Unit 3The world onlineThe world onlineDo you like surfing on the Internet?How does it change your life and study?I hope we will use the Net to cross barriers and connect cultures. -Tim Berners-Lee我希望我们能用互联网跨越障碍, 联结文化。 蒂姆伯纳斯李Who are you?Digital nativesGeneration-Z Digital immigrantsInternet refugeesInteresting handreds of thousands little ways of changingWhich is the present situation?Thats it! Go home, right now.Go outside and have some fun!Before the Internet era, what do we use when taking travelling pictures?Most popular kind of photo on InstagramIf you want to sell your car, what will you do present?Click!Click!Click on your Wechat Moment and done!Place ads on the newspaper.When cooking went a bit wrong, what will you do?Do guys still flirt or date face to face today?Lets say that the lucky guy got the girl, then the next situation pop out.These days, whats the worst situation?Welcome to today!source data web network The Internet is the biggest source of information in the world and its accessible through a computer. InternetInternetWhen you are on the Internet, what do you usually do?search for information with a searching enginewatch the newsstudy on the internetplay internet gameswatch films and soap operas shopping onlinechat on the InternetThere are many important milestones in the development of the Internet. Read the web page on page 29 and answer the questions.Q1: Who sent the first email and when? It was sent in 1971 by Ray Tomlinson.Q2: What did the first webcam film? A coffee pot outside the office.Q3: What were emojis, small digital images used to do? To express ideas or feelings.1. Which of the above inventions do you use most frequently? Why?2. What other facts do you know about the Internet?I use emojis most frequently when I message my friends. They look cute, and are a quick and easy way to express how I am feeling.The termsurfing the Internet was first popularized in print by Jean Armour Polly, a librarian, in 1992. In 2010, Finland became the first country to make Internet access a legal right.1. Soon emojis took off throughout the world. 很快表情符号就风靡全球了。【语语境应应用】写出下列各句中take off的意思。1) The plane is going to take off in 10 minutes. ( )2) You have to take off your shoes before you go to the computer room. ( )3) I want to take next Friday off. ( ) 4)The magazine took off after the interview. ( )起飞飞 脱下 请请假 大受欢迎【拓展】take短语语 take away 拿走；减去；解除 take in 收留；使上当；欺骗骗；领领会；明白； 包容；容纳纳； take out 拿出，去掉；扣除 take on 承担，从事；呈现现； 同较较量；接受的挑战战 take.for 把误认为误认为 ；把看作 take up 开始从事；占据；着手处处理； 把继续继续 下去2. He chose the “” sign to separate the username from the name of his machine.Its not always easy to separate cause from effect.因果关系并不总总是容易区分的。Separate her from the other applicants.把她和其他的申请请人区分。3. Oxford Dictionaries selected the “Face with Tears of Joy”emoji, as the Word of the Year 2015.Why do you select Shanghai as your working place?The Internet is a technological wonder, bringing about far-reaching changes in all aspects of our lives. We all have access to the Internet, so 1) What do you often do on the Internet? Search for information that helps me with my homework. Read about latest news/read e-books. Keep in touch with my friends. Listen to music, watch movies or play games. Order food or book hotels. Buy or sell things.Online activitiesInformationCommunicationEntertainment E-commenceothersLearningResearching Sharing OrderingBuyingSellingChattingCommentingViewingPlayinglistening2) What effects do you think the internet has on your life?The Internet makes my life: less stressful more colorful convenient easy and quick much busier fulfilled time-consuming Now read the title “The Internet: a world without frontiers”. What could be discussed in this article? This article might focus on the reasons why the Internet is a world without frontiers. ConclusionPara.5:_ReadingA1 Read the article and complete the chart below.The Internet has its problems. We must be careful to use it properly and responsibly.IntroductionPara.1:_Main bodyParas.2-4: The Internet has many advantages The Internet has the power to connect people across the world.ReadingAdvantage 1:_ _ Advantage 2:_ _Advantage 3:_ The Internet has quick and easy access to a huge amount of information. The Internet has made our lives unbelievably convenient.The Internet helps us establish and maintainsocial ties.A2 Read the article again carefully and complete the table below with supporting details for each advantage.AdvantagesSupporting detailsAdvantage 1 Having access to (1)_ information Gathering information quickly and easilya huge amount of Advantage 2 (2)_ Doing shopping quickly and easily Ordering a taxi with an app Making travel arrangements (3)_ on the smartphoneAdvantage 3 Keeping in contact with loved ones Finding (4)_ Discovering communities who (5)_Having food delivered to you Paying for almost everythingshare our hobbies long-lost friendsA3 In pairs, discuss the following questions.1. The author believes that the Internet has benefited us in various ways. Can you think of any other examples to support the authors ideas?Sample answers: We can rent bikes using mobile apps to save time and money. We can share photos and videos with loved ones in the cloud.2. The author mentions in the conclusion that the Internet has its problems. What do you think the problems with the Internet are? Make a list of them.Sample answers: Personal information may be stolen. Addiction to the Internet may lead to social isolation and depression. Internet viruses can infect and damage computers.Building your languageB1 The passage below is about proper online behaviour. Complete the passage with the correct forms of the words and phrases in the box ment site establish to a certain extentmajorityclickaware above all elseThe Internet has brought us great convenience. (1) _, we can hardly live without it. However, it also raises all sorts of questions: when surfing the Internet, how can we protect ourselves? How can we use the Internet responsibly? To a certain extentThe following guidelines may show you how to live in the digital world. (2)_, you should use the Internet in a safe way. You must always be careful about which (3)_to trust. One wrong (4)_may damage your computer and remove all your computer files! Therefore, before visiting a web page, always check for signs that warn people of danger. Another tip is to keep your personal information private, including your phone number, address and email account.Above all elsesiteclickcomment site establish to a certain extentmajorityclickaware above all else You also need to show respect when communicating with other online users. Leave (5)_ politely and treat others the way you would like to be treated. Though the (6) _of online users are nice and friendly, there might be some users who make you feel uncomfortable online. In such cases, be (7)_that you always have the right to say no and cut off contact. Remember that relationships you (8)_ in the digital world are just the same as those you have in real life.majorityawarecommentsestablishcomment site establish to a certain extentmajorityclickaware above all elseE-commerceorder food onlineInformationuse a search engineB2 The article uses some collocations about online activities. Think of more collocations and put them in the categories below. You can also create your own categories.enter a key wordclick a mouse/touch a buttonfind recipes/travel packagesshop for perfect goodsorder a taximake travel arrangementspay for almost everythingfind military affairs/learning resourcesOnline activitiesEntertainmentwatch online filmsCommunicationleave a comment on an updateleave an instant messagestart a group chatmake a video callplay online gameslisten to musicwatch sports gamesOnline activitiesadmire beautiful online viewB3 To show the advantages of the Internet more clearly, the article describes what life was like before the Internet. Find the sentences showing comparisons in the articleIn the time it takes to find one book in the library, we can use a search engine to bring up millions of results.Gone are the days of searching shop after shop for the perfect pair of boots-you can compare styles and prices quickly and easily in the comfort of your living room. Why wait hopelessly for a taxi in the cold rain? It is now simple and fast to order one with a taxi app. When giving your opinion, you can make abefore-and-after comparison. By showing the reader what the situation was like in the past and what it is like now, you can make your argument more convincing and more likely to be accepted by the reader.Write a short paragraph about a comparison of the life before and after smartphones were invented.Learn thisFunctionsEarly mobile phonesTelephoningSending / receiving messagesTodays smart-phones Access to the InternetShoppingOrdering/bookingEntertainingEarly mobile phones were not as functional as they are now and were used for basic communication needs: telephoning and messaging. Mobile Internet was not available then, so people depended on their computers or laptops to surf the Internet. Since the invention of the smartphones, mobile access to the Internet has helped users with more than just basic needs. They could now do most daily tasks on a device that fits into their pockets, for example, instant video calls, online shopping, watching videos, reading the latest news reports, and searching for information anywhere at any time.