1、1Welcome to the unit&Reading(I)Unit 3 The world online2感谢您使用我们的PPT模板，请在此输入您需要的文字内容What do you often do on the Internet？3Emojis,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
2、 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 2015.4The 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
3、 scientists used the webcam to see from their desks whether the pot was empty to avoid wasted trips for coffee.5The 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 separa
4、te the username from the name of his machine.6感谢您使用我们的PPT模板，请在此输入您需要的文字内容7感谢您使用我们的PPT模板，请在此输入您需要的文字内容A.ExpositionB.Narration C.Argumentation What is the genre of this writing?Whats the topic sentence of each paragraph?thesis statement（论点）（论点）?8The topic sentencesPara.1Para.5Para.4Para.3Para.2We can
5、achieve almost anything onlineOne 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-co
6、mmerce.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.9The structurePara.1Para.5Para.4Para.3Para.2We can achieve almost anything onlineOne of the greatest advantages of the Internet l
7、ies 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
8、.However,while the Internet brings many valuable advantages,being connected has its problems.IntroductionPara.1Main BodyParas.2-4:Internet has many advantagesConclusionPara.5We can achieve almost anything online.E-commerce has made our lives unbelievably convenient.The Internet helps us establish an
9、d maintain social ties.We should use the Internet properly and responsibly.We have quick and easy access to a huge amount of information online.10感谢您使用我们的PPT模板，请在此输入您需要的文字内容connect people across the world to a single shared communitybillions of people in different parts of the world have joined itge
10、t in touch with the outside worldachieve almost anything onlineIntroductionWhat expressions suggest the Internet is a world without frontiers?11Main bodyAdvantage 1 access to informationHow does the author support this argument?Listing examplesMaking comparisonsIn the pastAt presentFinding one book
11、in the libraryAccesstoinformantion Using a searching engine12Main bodyAdvantage 2 e-commerceCompare life before and after the invention of InternetIn the pastAt presentGoing to the restaurantFood Using _Searching _Shopping Comparing styles and prices quickly and easily _ 13Main bodyAdvantage 2 e-com
12、merceCompare life before and after the invention of InternetIn the pastAt presentWaiting _Transportation Staying _ until the arrival of the driverGoing to the travel agencyTravel arrangementsMaking all the arrangements just in front of the _paymentsCarrying_Paying for almost everything _14Main bodyA
13、dvantage 2 e-commerceCompare life before and after the invention of InternetIn the pastAt presentGoing to the restaurantFood Using _Searching _Shopping Comparing styles and prices quickly and easily _ food delivery apps and sitesshop after shopin the comfort of the living room15Main bodyAdvantage 2
14、e-commerceCompare life before and after the invention of InternetIn the pastAt presentWaiting _Transportation Staying _ until the arrival of the driverGoing to the travel agencyTravel arrangementsMaking all the arrangements just in front of the _outdoorsindoorscomputerpaymentsCarrying_cashPaying for
15、 almost everything _on the smartphone16Main bodyAdvantage 3 social tiesIn the pastAt present_often gets in the way.Social lifeThere are endless ways to share our views or let someone know we care about them _.Physical distance no matter where we areCompare life before and after the invention of Inte
16、rnetAn instant message,a group chat,a video call,a comment on an update,etc.17ConclusionHowever,while the Internet brings many valuable advantages,being connected has its problems.One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.The Int
17、ernet has also made our lives unbelievably convenientAbove all else,the Internet helps us establish and maintain social ties.18感谢您使用我们的PPT模板，请在此输入您需要的文字内容1.The author believes that the Internet has benefited us in various ways.Think of other examples to support the authors ideas.2.The author also me
18、ntions that the Internet has its problems.List some problems of the Internet.191.The author believes that the Internet has benefited us in various ways.Think of other examples to support the authors ideas.We can rent bikes and cars using mobile apps to save money and time;We can share films and vide
19、os with our loved ones far away from us.202.The author also mentions that the Internet has its problems.List some problems of the Internet.Personal information may be stolen.Addiction to the Internet may lead to social isolation and depression.Internet viruses can infect and damage our computers and
20、 phones.213.How can we use the Internet properly and responsibly?_,you should use the Internet in a safe way.You must always be careful about which _to trust.One wrong _ may damage your computer and remove all your computer files!Therefore,before visiting a web page,always check for signs that warn
21、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 _ politely and treat others the way you would like to be treated.Though the _of online users
22、are nice and friendly,there might be some users who make you feel uncomfortable online.In such cases,be _that you always have the right to say no and cut off contact.Remember that relationships you _ in the digital world are just the same as those you have in real life.Above all elsesitesclickmajori
23、tyawarecommentsestablish223.How can we use the Internet properly and responsibly?Protect our privacy and do not easily trust some strangers on the Internet.Keep under control the time we spend on the Internet.Never browse websites which could present potential danger.Be aware of signs that warn us o
24、f dangers and viruses.Be polite and do not spread incorrect or illegal information on the Internet.Say no and cut off contact.Personal information may be stolen.Addiction to the Internet may lead to social isolation and depression.Internet viruses can infect and damage our computers and phones.There may be troll and cyberbully.23I hope we will use the Net to cross barriers and connect cultures.-Tim Berners-Lee24Write your essay about the problems of the Internet and give your suggestions.Make a“before-and-after”comparison and list some examples Use cohesive devices25Thank you!
