高中英语Unit 4 Lesson 1 Tomorrow’s World课件1 北师大 必修2.ppt

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1、 Unit 42021/8/11 星期三1 Lesson 1 Tomorrows World The Future of Cyberspace2021/8/11 星期三2Step 1 Warm up Modern technology(现代科技）现代科技）helps us do many things.Digital Cameras 数码相机数码相机MP3computersrobots(机器人）机器人）the Internetcellphones(无线电话）无线电话）CD(Compact Disc)光盘光盘DVD(Digital Video Disc)数字化视频光盘数字化视频光盘2021/8/

2、11 星期三3Step 1 Warm up But modern technology(现代科技）现代科技）can also cause problems.Work in small groups of 4 and discuss:Group1:the advantages(优点）优点）of robots Group2:the disadvantages（不足）（不足）of robots Group3:the advantages of computersGroup4:the disadvantages of computers2021/8/11 星期三4Technology Advantag

3、esRobots Disadvantages1.Robots can work in dirty and dangerous places.2.Robots can work without sleep and food.1.Robots cant think or make decisions.2.People may lose jobs if robots are used instead of humans.2021/8/11 星期三5Technology AdvantagesComputers Disadvantages1.Computers are expensive.2.Compu

4、ters cant think or make decisions.1.Computers help us work faster.2.Computers can help us solve difficult problems.2021/8/11 星期三6 Step 2 Guessing:Which of these topics do you think it will mention?Read fast and find out!the Internet artificial human time travel robots global warmingvirtual reality（虚

5、幻（虚幻/模拟现实）模拟现实）2021/8/11 星期三7Step 3 DiscussionTake out a sheet of paper.Work in groups of 4 and write down the structure of the passage.(文章的写作结构）文章的写作结构）Tips:（提示）从文章的两类人的观点着手。（提示）从文章的两类人的观点着手。1.Why are some experts pessimistic(悲观的）悲观的）about the future of the Internet?2.Why are some people optimistic

6、（乐观的）（乐观的）about the future of the Internet?2021/8/11 星期三8pessimistichackersCyber terroristsnowin the futurecybercriminal2021/8/11 星期三9optimisticin the future virtual realityworkshopstudyget entertainment TV&postal servicewill disappearalreadyin the next few yearsshop on the Internetget informationbu

7、y booksfind out holiday offersbook tickets2021/8/11 星期三10The structure of the passage (文章的写作结构）文章的写作结构）bad:pessimistic(悲观的）悲观的）good:optimistic（乐观的）（乐观的）How doesthe computerand the Netare going to affect our lives.Topic Sentence（中心句）（中心句）2021/8/11 星期三11Step 4 Guess the meaningRead the article again a

8、nd match thevocabulary from the text in the box below with the definitions.2021/8/11 星期三121.cybercriminal2.hacker3.cyberterrorist4.the Net(Internet)5.virtual reality6.e-mailLine 12Line 13Line 16Line 1/26Line 43Line 41Guess the meaning from the context.(上下文）上下文）2021/8/11 星期三131 cybercriminal2 e-mail3

9、 virtual reality4 cyberterrorist5 the Net(Internet)6 hacker2021/8/11 星期三14Step 5Enjoy the reading.2021/8/11 星期三15Step 6 Creation and Speaking After reading the article and discuss:What will you do to bring the machinesand people both together and makethe world beautiful again?Get one to report the o

10、pinions of yourgroup members!2021/8/11 星期三162021/8/11 星期三17Useful ExpressionsStep 12021/8/11 星期三18 1.affect our livesLine 1 1.in the last thirty years =in the past thirty years in the past Line 4 2.connect to Line 10 3.be pessimistic about在过去的三十年里在过去的三十年里在过去在过去连接到连接到对对悲观悲观影响着我们的生活影响着我们的生活2021/8/11 星

11、期三19Line 21 6.be optimistic aboutLine 24 7.find out holiday offersLine 25 8.all sorts ofLine 32 10.a huge growth of shopping on the Net Line 36 11.get entertainmentLine 39 12.mail serviceLine 46 13 as if =as though对对乐观乐观各种各样的各种各样的网上购物大增长网上购物大增长进行娱乐活动进行娱乐活动邮政服务邮政服务似乎，好像似乎，好像查找节日特惠价查找节日特惠价2021/8/11 星期

12、三20Step 2 Practice1.The new law will be put into _ next month.Do you think it will _ your life?A.effect;affect B.effect;effect C.affect;affect D.affect;effect2.你把这根电线和电视机连上好吗？你把这根电线和电视机连上好吗？Will you _ this wire _ the television?3.这个人与那宗犯罪有关。这个人与那宗犯罪有关。This man _ _ _ the crime.Aconnectto/withisconnec

13、ted with2021/8/11 星期三214.尽管我们有许多困难，但我们应当乐观地对待生活。尽管我们有许多困难，但我们应当乐观地对待生活。We should be _ _ our life _ we are in great trouble.5.-Five dollars.Thats my last _.-All right.Thats a deal.A.opportunity B.amount C.support D.offeroptimisticaboutthoughD名词：出价名词：出价/提供的帮助提供的帮助2021/8/11 星期三226.When he heard our dif

14、ficulty,he _to help.A.offered B.suggested C.supported D.said7.How beautiful this picture is!It looks _ the butterflies in it were flying to us.A.as if/though B.that C.like D.if AAoffer sth.to(介词）介词）sb.向某人提供某物向某人提供某物offer to do（不定式）（不定式）sth.主动去做主动去做通常用在通常用在 look,seem,sound,taste,smell,feel等连系动词后。等连系动词后。2021/8/11 星期三23