高中英语 Unit4(Cyberspace)lesson1 Tomorrow's World课件5 北师大版必修2 课件VIP免费

Unit4Lesson1Tomorrow’sWorldTheFutureofCyberspaceStep1WarmupModerntechnology(现代科技）helpsusdomanythings.DigitalCameras数码相机MP3computersrobots(机器人）theInternetcellphones(无线电话）CD(CompactDisc)光盘DVD(DigitalVideoDisc)数字化视频光盘Step1WarmupButmoderntechnology(现代科技）canalsocauseproblems.Workinsmallgroupsof4anddiscuss:Group1:theadvantages(优点）ofrobotsGroup2:thedisadvantages（不足）of‘robots’Group3:theadvantagesof‘computers’Group4:thedisadvantagesof‘computers’TechnologyAdvantagesRobotsDisadvantages1.Robotscanworkindirtyanddangerousplaces.2.Robotscanworkwithoutsleepandfood.1.Robotscan’tthinkormakedecisions.2.Peoplemaylosejobsifrobotsareusedinsteadofhumans.TechnologyAdvantagesComputersDisadvantages1.Computersareexpensive.2.Computerscan’tthinkormakedecisions.1.Computershelpusworkfaster.2.Computerscanhelpussolvedifficultproblems.Step2Guessing:Whichofthesetopicsdoyouthinkitwillmention?Readfastandfindout!theInternetartificialhumantimetravelrobotsglobalwarmingvirtualreality（虚幻/模拟现实）Step3DiscussionTakeoutasheetofpaper.Workingroupsof4andwritedownthestructureofthepassage.(文章的写作结构）Tips:（提示）从文章的两类人的观点着手。1.Whyaresomeexpertspessimistic(悲观的）aboutthefutureoftheInternet?2.Whyaresomepeopleoptimistic（乐观的）aboutthefutureoftheInternet?pessimistichackersCyberterroristsnowinthefuturecybercriminaloptimisticinthefuturevirtualrealityworkshopstudygetentertainmentTV&postalservicewilldisappearalreadyinthenextfewyearsshopontheInternetgetinformationbuybooksfindoutholidayoffersbookticketsThestructureofthepassage(文章的写作结构）bad:pessimistic(悲观的）good:optimistic（乐观的）HowdoesthecomputerandtheNetaregoingtoaffectourlives.TopicSentence（中心句）Step4GuessthemeaningReadthearticleagainandmatchthevocabularyfromthetextintheboxbelowwiththedefinitions.1.cybercriminal2.hacker3.cyberterrorist4.theNet(Internet)5.virtualreality6.e-mailLine12Line13Line16Line1/26Line43Line41Guessthemeaningfromthecontext.(上下文）1cybercriminal2e-mail3virtualreality4cyberterrorist5theNet(Internet)6hackerStep5Enjoythereading.Step6CreationandSpeakingAfterreadingthearticleanddiscuss:Whatwillyoudotobringthemachinesandpeoplebothtogetherandmaketheworldbeautifulagain?Getonetoreporttheopinionsofyourgroupmembers!!!UsefulExpressionsStep11.affectourlivesLine11.inthelastthirtyyears=inthepastthirtyyearsinthepastLine42.connecttoLine103.bepessimisticabout在过去的三十年里在过去连接到对……悲观影响着我们的生活Line216.beoptimisticaboutLine247.findoutholidayoffersLine258.allsortsofLine3210.ahugegrowthofshoppingontheNetLine3611.getentertainmentLine3912.mailserviceLine4613asif=asthough对……乐观各种各样的网上购物大增长进行娱乐活动邮政服务似乎，好像查找节日特惠价Step2Practice1.Thenewlawwillbeputinto_____nextmonth.Doyouthinkitwill_____yourlife?A.effect;affectB.effect;effectC.affect;affectD.affect;effect2.你把这根电线和电视机连上好吗？Willyou_______thiswire______thetelevision?3.这个人与那宗犯罪有关。Thisman__________________thecrime.Aconnectto/withisconnectedwith4.尽管我们有许多困难，但我们应当乐观地对待生活。Weshouldbe__________________ourlife________weareingreattrouble.5.---Fivedollars.That’smylast_____.---Allright.That’sadeal.A.opportunityB.amountC.supportD.offeroptimisticaboutthoughD名词：出价/提供的帮助6.Whenheheardourdifficulty,he____tohelp.A.offeredB.suggestedC.supportedD.said7.Howbeautifulthispictureis!Itlooks______thebutterfliesinitwereflyingtous.A.asif/thoughB.thatC.likeD.ifAAoffersth.to(介词）sb.向某人提供某物offertodo（不定式）sth.主动去做…通常用在look,seem,sound,taste,smell,feel等连系动词后。