2020-2021学年高一下学期英语牛津译林版(2020)必修第三册-unit3ppt课件 .pptx

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1、Unit 3Unit 3The world onlineThe world onlineTo read the text and get the structure of itTo know some advantages of the InternetTo discuss the benefits and problems of the InternetTo learn to use a“before-and-after”comparison when giving your opinion The Internet is a technological wonder,bringing ab

2、out 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 f

3、ood or book hotels.Buy or sell things.Online activitiesInformationCommunicationEntertainment E-commenceothersLearningResearching Sharing OrderingBuyingSellingChattingCommentingViewingPlayinglisteningAs a matter of fact,with the fast development of delivery service which has a close relationship with

4、 online activates,peoples lives changed dramatically.While the COVID-19 lockdown kept people indoors and suspended almost all the daily operation activities,it prospered many online businesses and delivery services that served as a link to the outside,allowing millions to get daily essentials withou

5、t leaving their homes.In China,the delivery service industry goes far beyond food its a platform for multiple errands.View the video to find more.2)What effects do you think the internet has on your life?The Internet makes my life:less stressfulmore colorfulconvenienteasy and quickmuch busierfulfill

6、edtime-consumingNow 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.1.Why is the Internet compared to“a world without frontiers”by the author?The Internet has enabled

7、people around the world to be connected at any time and in any part of the world.2.How many advantages of the Internet does the author mention?Three.Find the topic sentences for each paragraph.ConclusionPara.5:_ReadingA1 Read the article and complete the chart below.The Internet has its problems.We

8、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 info

9、rmation.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 1Having access to(1)_ informationG

10、athering information quickly and easilya huge amount of Advantage 2(2)_ Doing shopping quickly and easilyOrdering a taxi with an appMaking travel arrangements(3)_ on the smartphoneAdvantage 3Keeping in contact with loved onesFinding(4)_Discovering communities who(5)_Having food delivered to you Payi

11、ng for almost everythingshare our hobbies long-lost friendsChoose the right answers according to the text.1.According to the author,what is the quickest and easies 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.If you want to

12、 learn something about friends far away,which one below is the cheapest and quickest way to choose nowadays?A.Calling them B.Going to see themC.Writing to them D.Connecting them through the Internet3.Which of the following is true according to the passage?A.Internet always brings us countless valuab

13、le 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.4.From the perspective of the author,what is the most important advantage of the Internet?A.Connecting people across the world to a single share

14、d communityB.Quickly and easily access to a huge amount of informationC.Making our lives unbelievably convenientD.Establishing and maintaining social ties.1.How does the author make the readers quickly know there are three advantages of the Internet?Answer the questions.By using the cohesive words,s

15、uch as“One of the greatest advantages of the Internet”in Line 7 on Page 30,“also”in Line 15 on Page 31 and“Above all else”in Line 29 on Page 31.2.Whats the tone of the author in Paragraph 3?Why does the author write in such a way?Its casual and relaxing to read in this way.Its easier for the author

16、to convince us of the convenience of the Internet and even sentences in this paragraph are very short and convenient to read.A3 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

17、 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 answ

18、ers: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 phras

19、es 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 resp

20、onsibly?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

21、 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

22、 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 of

23、f 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 so

24、me 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 everythingf

25、ind 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 adv

26、antages 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 a

27、fter 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

28、 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 mobil

29、e 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

30、 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.Reading1.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.