Unit 3 Period 1 Welcome to the unit & Reading（课件）英语译林版必修第三册

该高中英语课件围绕“互联网的世界”主题，系统呈现互联网的发展历程、多维度影响及正确使用方式，通过引言导入、生活话题讨论及里程碑案例，搭建从生活经验到文本分析的学习支架，衔接阅读前激活背景与阅读中信息梳理。 其亮点在于融合思维品质与语言能力培养，通过快速阅读主旨概括、细节分析表格及批判性深度探究，引导学生辩证看待互联网利弊。语言点解析结合语境应用，如倒装句和词汇搭配练习，提升语言运用能力。学生能发展批判思维与跨文化意识，教师可依托结构化活动提升教学效率。

Unit 3 The world online Welcome to the unit & Reading 高中英语译林2020版 必修三 1 Contents 1. Lead in 2. Pre-reading 3. While-reading 4. Critical thinking 5. Language points 6. Homework PART ONE Lead-in I hope we will use the Net to cross barriers and connect cultures. -- Tim Berners-Lee 3 Free talk 1. Do you have easy access to the Internet? If so, how do you often access it? In which way do you access the Internet, using a mobile device or other devices? 2. What do you usually do on the Internet? Yes, I do. I often access it via my smartphone and laptop, mostly using a smartphone. read the news play online games watch films or TV plays shop online study on the internet search for information chat online There are many important milestones in the development of the Internet. Read the web page below and discuss the following questions in pairs. The first email was sent in 1971 by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could send a message from one computer to another. He chose the "@" sign to separate the username from the name of his machine. The first webcam was created by computer scientists at the University of Cambridge in 1991. What did it film? A coffee pot outside the office. These scientists used the webcam to see from their desks whether the pot was empty to avoid wasted trips for coffee. Emojis, small digital images used to express ideas or feelings in electronic communication, were created in 1999 in Japan. The creator was inspired by Japanese comics, street signs and Chinese characters. Soon emojis took off throughout the world. Oxford Dictionaries selected , the "Face with Tears of Joy" emoji, as the Word of the Year 2015. What effects do you think the internet has on your life? 2. 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. I rely heavily on the Internet to keep up with the latest news and organize my daily life. It’s easy for me to stay in touch with friends and family on my phone. In my spare time, I entertain myself by watching movies or playing online games. The Internet takes a lot of stress out of my life, as everything is conveniently accessible with just a tap of a button. Without it, my life would be totally different. 1. What effects do you think the internet has on your life? Discussion PART TWO Pre-reading 8 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 …. Above all else, the Internet helps us establish and maintain social ties. We should use the Internet properly and responsibly. Fast-reading Task 1 Skim the article and summarize its main idea in one sentence. 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)________________ Task 2 Read the article again carefully and complete the table below with supporting details for each advantage. Advantages Supporting details Advantage 1 Having access to (1)________________ information Gathering information quickly and easily a huge amount of Having food delivered to you Paying for almost everything share our hobbies long-lost friends 10 PART THREE While-reading 11 Task 3 Choose the right answers according to the text. According to the author, what is the quickest and easiest way for most of us to get information from? A. Our teachers B. The Internet C. Newspapers or books D. Our parents or friends 2. Which of the following is true according to the passage? A. Internet always brings us countless valuable benefits. B. Internet is truly a world with frontiers. C. Internet perhaps causes some disadvantages to us. D. Internet can meet the need of long-lost friends. skimming Task 4 In pairs, discuss the following questions. The author believes that the Internet has benefited us in various ways. Can you think of any other examples to support the author’s ideas? 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. Personal information may be stolen. Addiction to the Internet may lead to social isolation and depression. Internet viruses can infect and damage computers. scanning Task 5 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 article. 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. Sit back and relax indoors for a few warm minutes until the driver arrives. scanning (1) ___________ of early mobile phones and today’s smartphones Early mobile phones Used for basic needs like telephoning and (2) _____________________________. People (3) ________ use them to surf the Internet conveniently. People surfed the Internet by using computers or (4) _______. Today’s smart-phones Used for (5) ________ than basic needs People have had easy and (6) __________ access to the Internet. People do most daily tasks on them like (7) __________ for information (8) __________ and at any time, (9) __________ videos, doing (10) ____________ shopping, etc. Task 6 Complete the table. Functions messaging/sending messages couldn’t laptops more mobile searching anywhere watching online PART FOUR Critical thinking 16 We should never browse websites that may pose potential risks. We must be aware of warning signs of online dangers and viruses. We should not spread false or illegal information on the Internet. We should never easily trust strangers we meet online. We must protect our personal privacy, such as phone numbers, addresses, bank accounts and so on. 1. How can we use the Internet properly and responsibly? In-depth reading Firstly, the author introduces his argument by providing some truly life-changing advantages the Internet has brought to us. Then the author provides examples as evidence to support his argument from three aspects, during which, the author compares each aspect from before and after the invention of the Internet. At last, the author summarizes that the Internet can be a place of discovery, wonder and inspiration for everyone, but only if we use it properly and responsibly. 2. How does the author support his argument in this article? In-depth reading In-depth reading In my opinion, this title can be understood from the following three aspects. Firstly, “The Internet has the power to connect people across the world to a single shared community?” On the Internet, there is no boundary between countries, and there is no boundary between countryside villages and modern cities. People in different parts of the world can have access to the Internet. Secondly, the life-changing advantages brought about to us by the Internet are without frontiers—we can enjoy its benefits together. Thirdly, the Internet is truly a world without frontiers only if we use it properly and responsibly to make it a place of discovery, wonder and inspiration for everyone. 3. How do you understand the title “The Internet: a world without frontiers”? Language points 20 Learning, Researching Ordering… Buying… Selling… Chatting, commenting, Sharing Viewing Playing Listening When it comes to the Internet, ... Online activities Information Communication Entertainment E-commence others Website Password Wi-Fi App Download Upload Social media QR code A. To copy data/files from the Internet to your own electronic device. B. To send data/files from your device to the Internet or a server. C. A set of linked web pages with a unique domain on the Internet, with various information. D. A 2D barcode scanned by phones to store and access info quickly. E. A secret character set for identity verification and online account access. F. A wireless tech for devices to connect to the Internet without cables. G. A small program for specific use on phones, tablets or computers. H. Online platforms for people to create, share content and communicate. 2. Match the names of natural disasters on the left with their characteristics on the right. 1.We can achieve almost anything online –with access to the Internet come some truly life-changing advantages. access n.  （使用或见到的）机会，权利; 通路；入口 Language points access have access to 可以获得/ 接近/使用 gain/ get access to 到达；接近；使用 with a access to 可以得到……；得以访问……；能够接触…… accessible adj. 进入的；可使用的；易理解的；(人)好相处的 be accessible to 接近的；能进入的 【语境应用】根据括号内的提示补全下列句子。 1) Eva ________________________________ (访问了3个不同的文件) to find the correct information. 2) Students must ______________________ (有使用图书馆的机会). 3) There is no ___________________ (通向大街的路) through that door. accessed three different documents   have access to a library access to the street 1.We can achieve almost anything online –with access to the Internet come some truly life-changing advantages. 谓语放在主语前面构成全部倒装句 1.表示时间、地点和动作转移的副词如here、there、up、down、in、away、out、off、now、then等置于句首时。 Out of the cave rushed a tiger. 2.Such作表语置于句首时，全部倒装 Such was Albert Einstein, a simple but great man. 3.表示地点的介词短语开头的句子，全部倒装。 On the back wall hangs a picture. 4.为了保持句子的平衡，可以将作表语的介词短语、形容词、副词或分词提到句首，引起全部倒装。 Present at the concert were many famous actors. 2. In the time it takes to find one book in the library, we can use a search engine to bring up millions of results. 短语积累 bring about 引起; 产生; 导致; 带来 bring in 带进来; 引进; 赚得 bring out 使显现; 阐明; 出版; 生产 bring down 使降低, 减少; 打垮, 击败 bring on 引起, 使发生 【语境应用】翻译句子。 1) Please bring your plan up at the meeting. ______________________________________________ 2) The couple brought up five children. ______________________________________________ 3) Mary didn't feel well and brought up her dinner. ______________________________________________ 请将你的计划在会上提出来。 这对夫妇养育了五个孩子。  玛丽身体不舒服，把晚餐吃的东西都吐了。 26 3. No wonder the Internet has now become the first place that the majority of people turn to for information. a/the majority of … 大多数, 大半 be in the/a majority 占大多数 great/ huge / large majority 绝大多数 small / narrow majority 微弱优势 e.g., She was elected by a narrow majority. major adj.大的，主要的，v. 主修(major in)，n. 主修课程 majority, a/ the majority of, in the / a majority minor adj. 较小的，次要的，v. 辅修（minor in）, n.辅修课程 minority, a/ the minority of, in the / a minority 27 the majority和the minority单独用作主语时，若强调整体，谓语动词用单数形式；若强调个体，谓语动词则用复数形式；但其后表语是复数时，谓语动词通常也要用复数。 “the/a majority of＋名词”用作主语，其谓语动词的数应与名词的数保持一致。 大多数接受采访的人都喜欢看电视多于听收音机。 The majority of people interviewed prefer TV to radio. 大多数人支持禁烟。 The majority was/were in favour of banning smoking . 大多数小企业现在都在网上办理银行业务。 The majority of small businesses now do their banking online. 28 完成句子。 3) The _________ (major) of them take on online language  test before starting their programme.  4) ______________________ in favor of the suggestion. 多数人赞成这个提议。 【语境应用】单句语法填空。 1) For one thing, I hope to gain a bit more knowledge of gardening so that it can help me to major _____ the gardening. 2) An agreement seems to be impossible because the majority of the committee members _____ (be) against it. in are majority The majority was/were 4.You can have food delivered to you using food delivery apps and sites. deliver vt. 递送，传送，交付 deliver sth. to sb. 把某物运送给某人 deliver a speech/ lecture 发表演讲 be delivered of 生产，分娩 e.g., We deliver the goods in batches.我们分批交付货物。 注：have sb/sth done 使...被... 【语境应用】1) Carrie的孩子是由她的妈妈接生的。 Carrie’s baby _____________ by her mother.   2) 这位教授给他的学生做了一次关于哲学的演讲。 The professor _________________ on philosophy to his students.  3) Once his message was _________(递送), he allowed me to stay and watch. was delivered  delivered a speech delivered 30 5. When you wish to go on holiday, you can make all your travel arrangements just in front of the computer. arrange v. 筹备；安排；整理 e.g. Don’t be in such a hurry. I have arranged a taxi for you. 别这么急。我已经为你安排了一辆出租车。 The girl is carefully arranging the books on the shelves. 那个女孩正在仔细地整理书架上的书。 arrange to do sth. 安排做某事 arrange sth. for sb. 为某人安排某事 arrange for sb. to do sth. 安排某人做某事 31 arrangement: n. 安排;筹备;安排方式;布置;商定;约定 她班上的老师作了特别安排，每月讨论一次她在学业上的进展情况。 Her class teacher made a special arrangement to discuss her progress at school once a month. 他已作好了应急的一切准备。 He has made every arrangement to meet any emergency. 我们可以就价格问题达成一项协议。 We can come to an arrangement over the price. make arrangements (for)…为…做筹备 arrange for sth 安排某事 arrange to do sth.安排做某事 6. Above all else, the Internet helps us establish and maintain social ties. establish vt. 建立（关系或联系）；设立 establish the facts 查清事实 establish … as… 确认……为…… establish a good relationship建立良好的关系 establish an empire建立一个帝国 establishment确立，建立 The school has established a successful relationship with the local community. They are an established company with a good reputation. ( adj. 已确立的，公认的) 33 【语境应用】单句语法填空。 1) The professional has established his reputation _________ a biochemist. 2) By 1909, the man ______________ (establish) himself as a painter of great talent in Paris. 3) In addition, you need to visit an __________ (establish) website that offers stock charts. 4) It will be essential ___________ (establish) how the cash is being spent. as had established established to establish 7.An instant message, a group chat, video call, a comment on an update — there are endless ways to share our views or let someone know we care about them. instant adj.立即的; 立刻的; 速食的; 即食的; 速溶的; 方便的; n.瞬间; 片刻; 某一时刻 Instant coffee 速溶咖啡 This account gives you instant access to your money. We can’t promise an instant reply, but we will take time to think about it. I'll be back in an instant. 我马上就回来。 I will send you an email the instant I arrive in London. 35 7.An instant message, a group chat, video call, a comment on an update — there are endless ways to share our views or let someone know we care about them. make a comment on/ about 对……作出评论 without comment 未作出评论 no comment （通常用于回答记者的问题）无可奉告 【语境应用】完成句子 1) She _______________________ my work.  她对我的工作提出了有益的评论。 2) I don’t feel ____________________________. 我觉得我无法对他们的决定作出评论。 made helpful comments on I can comment on their decision 36 8. We must aware of these problems and be careful to use the Internet properly and responsibly. become aware of 对……知道, 明白; 意识到 be aware + that 察觉到、意识到 awareness n. 认识，意识 raise one’s awareness 提高某人的意识 public awareness 公共意识 他们突然意识到人们在看着他们。 They suddenly became aware of people looking at them. 你有没有意识到已经出了问题？ Were you aware that something was wrong? 37 9. Only in this way can the Internet be a place of discovery, wonder and inspiration for everyone. 注：only +状语置于句首，句子用了部分倒装，即助动词can提到主语。 部分倒装： 1.So / Neither / Nor + 助动词 / 情态动词 + 主语 Lily can't play Ping Pong. Neither can I. 2.当 not, never, hardly, seldom, scarcely, barely, little, no, by no means, in no way, no sooner…than, hardly… when 等词或短语位于句首时部分倒装 38 9. Only in this way can the Internet be a place of discovery, wonder and inspiration for everyone. 3.在so/such…that…句型中，若so/such…提到句首时 So difficult did I find it to work out the problem that I decided to ask Tom. 4.当 “only +状语（副词，介词短语或从句）”置于句首时 Only by taking a taxi can you arrive there on time. 5.用于as / though引导的让步状语从句中 Try as he would, he might fail again. 39 Only +状语开头的倒装句： (He realized that he had made a serious mistake only then.=) Only then did he realize that he had made a serious mistake. (You can save your face only in this way.=) Only in this way can you save your face. (He was told what had happened only when he returned home.=) Only when he returned home was he told what had happened. (He was able to make himself heard only by shouting.=) Only by shouting was he able to make himself heard. 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. 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. Above all else sites click majority aware comments establish a single shared community get in touch with the outside world life-changing advantages to a certain extent at one's fingertips bring up make our lives unbelievably convenient above all else establish and maintain social ties keep in contact with loved ones 单一共享社区 与外界联系 改变生活的好处 在一定程度上 了如指掌 使显示，调出；提出 让生活变得难以置信地便利 最重要的是，尤其是 建立和维护社会关系 与亲人保持联系 Homework Based on the topic, write a composition about the effects of the Internet on our lives from positive and negative aspects. 44 Thank you for listening! 45 Lavf58.12.100 $