（2021新牛津译林版）高中英语必修三Unit 3 The world onlineWelcome to the unit & Reading ppt课件（含音频）.zip

Unit 3 The world online Welcome to the unit & Reading Lead in Lead-in The Internet is the biggest source of information in the world and its accessible through a computer. Presentation 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 1. Do you have easy access to the Internet? 2. In which way do you access the Internet, using a mobile device or other devices? 3. How does it change your life and study? 该句出自英国计算机科学家蒂姆伯纳斯李。他是万维网(World Wide Web)的发明者。这句话体现了伯纳斯李对互联网的美好愿景。他希望互联 网能发挥其互联互通的作用, 跨越各种障碍, 成为不同文化的纽带, 带来 信息交流的全新模式。 Now, lets read a web page to know some inventions. We use Internet everyday, but do you know its development milestones ? a very important stage or event in the development of sth. Welcome to the unit 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 send a message the “” sign Read and complete The first webcam was created by computer scientists at the University of Cambridge _. What did it film? A coffee pot _ the office. These scientists used the webcam to see _ whether the pot was empty 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 ideas or feelings in 1999 Chinese characters took off Discuss the following questions in pairs. 1. Which of the above inventions do you use most frequently? Why? 2. What other facts do you know about the Internet? Presentation 1. Which of the above inventions do you use most frequently? Why? 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. 2. What other facts do you know about the Internet? The term “surfing 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. Presentation When you are on the Internet, what do you usually do? Pre-reading read the newsplay internet gameswatch films or TV plays do shopping onlinestudy on the internet search for information chat on the Internet 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 Language points The effects the Internet has on our life!The effects the Internet has on our life! Ok, now lets read the article “The Internet: a world without frontiers”. Fast reading Read for the structure IntroductionIntroductionIntroductionIntroduction Advantage 1Advantage 1Advantage 1Advantage 1 Advantage 2Advantage 2Advantage 2Advantage 2 Advantage 3Advantage 3Advantage 3Advantage 3 ConclusionConclusionConclusionConclusion AdvantagesAdvantagesAdvantagesAdvantages Read the article and complete the chart. Introduction Para. 1: _ _ _ Main body Paras. 24: The Internet has many advantages. Conclusion Para. 5: _ _ _ _ Advantage 1 _ _ _ _ Advantage 2 _ _ _ _ Advantage 3 _ _ _ 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. We can achieve almost anything online. Read for specific information. AdvantagesSupporting 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 Detailed reading 1 5 4 2 3 aspects access to information 6 7 food shopping travel arrangements transportation payments social life Compare before and after the invention of the Internet You can talk from these aspects. Access to information Compare before and after the invention of the Internet before after Slow and inconvenient. With the click of a mouse or the touch of a button, it is possible to find out almost anything we care to know. Food Compare before and after the invention of the Internet before after Go to the restaurant to have a meal. Have food delivered to us by using food delivery apps and sites. Transportation Compare before and after the invention of the Internet before after 1. Wait hopelessly for a taxi in the cold rain. 2. (Queue up hopelessly for a train/plane/bus ticket.) 1. Order a taxi on an app, sit back and relax in doors for a few warm minutes until the driver arrives. 2. (Book the tickets online.) Shopping Compare before and after the invention of the Internet before after 1. Search shop after shop for the perfect choice, for example, a pair of boots. 2. Not sure of the price. Compare styles and prices quickly and easily. Travel arrangements before after Go to the travel agency to make and book travel plans. Make all the travel arrangements just in front of the phone/computer. Compare before and after the invention of the Internet Payments before after Pay using cash or cheques. Almost everything can be paid on the smartphone. Compare before and after the invention of the Internet Social life before after Physical distance often gets in the way because we have to go to meet up with someone else after arranging a time and place that is convenient for everyone. There are endless ways to share our views or let someone know we care about them no matter where we are. Compare before and after the invention of the Internet 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? 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. 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? Teachers are able to use class websites or apps to keep parents updated about school. With the help of GPS technology, the Internet helps map and direct you to almost every place in the world. 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. Surfing and playing games on the Internet can quickly become very addictive. Internet viruses can infect and damage computers. Addiction to the Internet may lead to social isolation and depression. Personal information may be stolen. Consolidation The Internet has the power to connect people across the world to a single 1._(share) community. We can achieve almost anything onlinewith access 2._the Internet come some truly life-changing advantages. One of the greatest 3. _(advantage) of the Internet lies in the quick and easy access to a huge amount of information. With the click of a mouse or the touch of a button， it is possible 4._(find) out almost anything we care to know. No wonder the Internet has now become the first place that the 5._(major) of people turn to for information. shared to advantages to find majority Consolidation The Internet has also made our lives 6._ (unbelievable) convenient，with all sorts of goods and services provided by electronic commerce. Above all else， the Internet helps us establish and maintain 7._ (society) ties. No matter where we are，we are able to keep in contact with loved ones.However,8._the Internet brings many valuable advantages,9._ (connect) has its problems. We must be aware of these problems and be careful to use the Internet properly and responsibly. Only in that way can the Internet be 10. _ place of discovery，wonder and inspiration for everyone. unbelievably social while being connected a Reading 1. Is the Internet truly a world without frontiers? Why? 2. How do you think we can use the Internet properly and responsibly? Choose one and share your opinion.