Unit 3 The world Online Welcome to the unit & Reading 课件-2024-2025学年高中英语译林版（2020）必修第三册

Unit 3 The world online Welcome to the unit & Reading (I) Do 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 When you are on the Internet, what do you usually do? search for information with a searching engine watch the news study on the internet play internet games watch films and soap operas shopping online chat on the Internet There are many important milestones in the development of the Internet. Read the web page on page 29 and complete the form. Read and complete. The first email was sent ________ by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could _______ ________ from one computer to another. He chose ______________ to separate the username from the name of his machine. in 1971 message the “@” sign send a The first webcam was created by the University of Cambridge ________. What did it film? A coffee pot _______ the office. Researchers in the Computer Laboratory used the webcam to see ______________ whether the pot was full to avoid wasted trips for coffee. in 1991 outside from their desks Emojis, small digital images used to ________ ________________ in electronic communication, were created _________ in Japan. The creator was inspired by Japanese comics, street signs and ___________________. Soon emojis __________ throughout the world. Oxford Dictionaries selected , the “Face with Tears of Joy” emoji, as the Word of the Year 2015. express in 1999 Chinese characters took off “突然大受欢迎，迅速流行” eg. The magazine took off after the interview. 那次采访之后这本杂志很快大受欢迎。 ideas or feelings Soon emojis took off throughout the world. 很快表情符号就风靡全球了。 【语境应用】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 脱下 请假 大受欢迎 Unit 3 The world online Reading: 30-31 What do you often do on the Internet? Play Internet games Do shopping onine Read the news chat on the Internet study on the Internet Watch films or TV plays Lead-in Internet: a world without frontiers video watching A. Expository writing (说明文) B. Narration (记叙文) C. Argumentation (议论文) D. Practical writing (应用文) 1. What is the genre of this writing? Fast reading Skim for the structure Introduction Advantage 1 Advantage 2 Advantage 3 Conclusion Body The topic sentences Para. 1 Para. 5 Para. 4 Para. 3 Para. 2 We can achieve almost anything online… One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information. The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by electronic commerce, more commonly known as e-commerce. Above all else, the Internet helps us establish and maintain social ties. However, while the Internet brings many valuable advantages, being connected has its problems. 17 The structure Para. 1 Para. 5 Para. 4 Para. 3 Para. 2 We can achieve almost anything online… One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information. The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by electronic commerce, more commonly known as e-commerce. Above all else, the Internet helps us establish and maintain social ties. However, while the Internet brings many valuable advantages, being connected has its problems. Introduction Para. 1 Main Body Paras. 2-4: Internet has many advantages Conclusion Para. 5 We can achieve almost anything online. E-commerce has made our lives unbelievably convenient. The Internet helps us establish and maintain social ties. We should use the Internet properly and responsibly. We have quick and easy access to a huge amount of information online. With all the topic sentences, can you analyze the structure? How many parts can this article be divided? 18 Reading for the structure A1 on p32 Introduction Para. 1:_____________ ______________________________________ Main body Paras. 2-4: The Internet has many advantages. Conclusion Para. 5: Introduction Para. 1: Advantage 1 Advantage 2 Advantage 3 We can achieve almost anything online. We should use the Internet properly and responsibly. We have quick and easy access to a huge amount of information online. E-commerce has made our lives unbelievably convenient. The Internet helps us establish and maintain social ties. Introduction: para 1 What’s the topic sentence? What is the writer’s attitude toward the Internet? Positive Negative Pre-Reading While-Reading Post-Reading What’s the relationship of paras 2-4? Find the topic sentence! One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information. The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by e-commerce. Above all else, the Internet helps us establish and maintain social ties. some truly life-changing advantages Parallel Pre-Reading While-Reading Post-Reading Main body: paras 2-4 Advantages Supporting details Advantage 1 • Having access to (1) __________________ information • Gathering information quickly and easily Advantage 2 • (2) _______________________________ • Doing shopping quickly and easily • Ordering a taxi with an app • Making travel arrangements • (3) _____________________________on the smartphone Advantage 3 • Keeping in contact with loved ones • Finding (4)____________________ • Discovering communities who (5) ___________________ a huge amount of Having food delivered to you Paying for almost everything long-lost friends share our hobbies What’s the supporting detail of each paragraph? A2 Pre-Reading While-Reading Post-Reading 1 5 4 2 3 access to information 6 7 food shopping travel arrangements transportation payments social life How does the author describe the supporting details? Gone are the days... In the time... “before-and-after” comparison Gone are the days... “before-and-after” comparison What’s the function of the comparison? In the time... Persuade readers to be convinced of an argument or a statement. Show the superiority of present changes to help the readers evaluate it. Do we really have a world without frontiers? Without protection! What we should do to avoid the problems? Conclusion: para 5 Pre-Reading While-Reading Post-Reading Introduction Advantage 1 Advantage 2 Advantage 3 Conclusion Parallel Comparison Review the argumentation Pre-Reading While-Reading Post-Reading Discussion (group work) What disadvantages of the Internet can you think of? 2. be addicted to computer games 1. waste lots of time on apps …… 3. reduce face-to-face communication 4. personal information may be stolen Disadvantages Make it a tool to help you, not a trap to destroy you! Writing Write a summary of the pros and cons of the Internet. Requirements(要求): 1. 总结互联网的优缺点； 2. 表明你对使用互联网的态度； 3. 用适当的衔接词,使文章富有逻辑性。 The Internet is a technological wonder, bringing about far-reaching changes in all aspects of our lives. (Advantages)_____________________________________________________________________________________________________________________________. However,(Disadvantages)_____________________________________________________________________________________________________________________. Therefore, __________________________________. With the rapid development of technology, we have easier access to the Internet, which brings about various life-changing advantages. One of the advantages of the Internet lies in _________________________.Meawhile,____________________.Above all else,_________________________. However, despite the advantages, we should be fully aware that the Internet is a double sword. For one thing, _________.For another, ______________. Therefore, only when we use the Internet properly and responsibly, can it be truly a world without frontiers. Building your language B1 The passage below is about proper online behaviour. Complete the passage with the correct forms of the words and phrases in the box below. comment site establish to a certain extent majority click aware above all else The 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 extent The 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 else site click 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. majority aware comments establish 1 突然大受欢迎，迅速流行 2 一个科技奇迹 3 带来意义深远的变革 4 在各个方面 5 与外界取得联系 L4 6 连接网络；接入互联网 L5 7 （思想、特征、问题等）在于 8 在某种程度上 9 随时可供使用，了如指掌 take off a technological wonder bring about far-reaching changes in all aspects get in touch with the outside world access to the Internet lie in L7 to a certain extent L8 at one’s fingertips L9 37 10 军事事务 11 学习资源 12 使显示在计算机上；调出 13 大多数人 14 求助于；求教于 15 电子商务 16 在…里舒舒服服地 17 最重要的是；尤其是 18 建立并保持社会联系L29 military affairs L11 learning resources L11 bring up L12 the majority of people L13 electronic commerce L17 turn to L13 in the comfort of L21 above all else L29 establish and maintain social ties 38 19 阻挡；阻碍 20 与挚爱的人保持联系 21 找到失去联系的朋友 22 对新闻时事的评论 23 知晓，知道，意识到 L39 get in the wayL31 keep in contact with loved ones L32 find long-lost friendsL32 a comment on an updateL35 be aware of sth / be aware (that)… 39 Thank you! 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