unit3-computers

ComputersUnit3教材内容分析•本单元的听说读写活动围绕中心话题“计算机”展开，内容涉及计算机的发展历史，计算机的应用等，其中还谈到包括计算机在内的几种信息技术的载体，智能机器人的发明等。•“现在完成被动式”是本单元的句法项目。教学设计说明根据教学内容可将本单元分为四个课时来进行教学：1.Warmingup与reading整合成一课时，重点在于引导学生了解计算机的发展历史。2.Learningaboutlanguage作为一课时，着重帮助学生分析文章中的语言点和掌握本单元的语法项目。3.Usinglanguage中的listening和speaking作为一课时，引导学生进一步了解和谈论关于IT的知识。4.Usinglanguage中的reading和writing作为一课时，旨在激发学生对于计算机兴趣以及设计机器人。Period1Warmingup&readingIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语)Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.DoyouknowwhoIam?laptopPDAPersonalDigitalAssistantIamsosmallinsizethatIcanfitinyourhand.Iusuallyhaveasmallscreenusuallybiggerthanadigitalphone,howeversmallerthanthesmallestlaptop,I’magreatwaytostoretelephonenumbers,accesstheinternet,makecalculations,andsoon.DoyouknowwhoIam?Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerDoyouknowwhoIam?robotI’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.DoyouknowwhoIam?PCPersonalComputerI’masmall,relativelyinexpensivecomputerdesignedforanindividualuser.I’mbasedonthemicroprocessortechnology.Athome,peopleusemetosurftheInternetandplaygames.DoyouknowwhoIam?PDAabacuscalculatorhugecomputerPClaptopWhat’snext?Canyoutellthedevelopmentofcomputers?robotDoyouknowinwhatwayscomputersareusedtoday?Workoutalistandcompareitwithyourpartner.searchfor…seemovieslistentomusicreadbooksandmagazinessendemailstofriendsdownloadmusicandfilmsbuythingsonlineplaygamesonthecomputerdrawpictureslookatphotographsonthecomputeruseacomputerforschoolworktakepartinchatgroupsWHOAMI?Reading1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Acomputer.SkimmingReadingComprehensionI16421822TheanalyticalmachinewasmadebyCharlesBabbage.Thecomputerbeganasacalculatingmachine．1936Thecomputergrewrapidlybothinsizeandinbrainpower.Finishthetimelinebelow.ScanningReadingComprehensionII1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNow1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.Thecomputerhadgrownaslargeasaroom.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.OvertimeIhavebeenchangedquitealot.Para1:Para2:Para3:Matchthemainideasandtheparagraphs.ReadingComprehensionIIICompletethechartbelow.Para-graph1Para-graph2Para-graph3TopicsentenceSupportingdetailstubescommunica-tionsfinanceScanningReadingComprehensionParagraph1TopicsentenceOvertimeIhavebeenchangedquitealot.Supportingdetails1calculatingmachine2analyticalmachine3universalmachine4PC5laptopParagraph2TopicsentenceThesechangesonlybecamepossibleasmymemoryimproved.Supportingdetails1tubes2transistors3chips4network5WorldWideWebParagraph3TopicsentenceSincethe1970smanynewapplicationshavebeenfoundforme.Supportingdetails1communications2finance3trade4robots5mobilephones6medicaloperations7spacerockets8providingalifeofhighqualityBrainstormalistofthingsthatyou,yourschoolandyourfamilyusecomputersfor.Thinkaboutwhatyouwouldhavetodoifyoucouldnotusecomputersanymore.DiscussionPeriod2LearningaboutlanguageFillthewordorexpressionforeachofthefollowingmeaningsfromthetext.1_________completechangeinwaysofthinking,working,etc2________connectedcomputersystem3_________tomakethingseasierrevolutionnetworksimplify4_________tofindtheanswerusingnumbers5_______canbemovedeasilyfromplacetoplace6_______toworkouttheanswertoaproblem7_______totravelaroundanareatofindoutaboutitcalculatemobilesolveexplore8_______completely9________anyway10_______activityofmanagingmoneytotallyanyhowfinanceCompletethepassagewiththewordsbelow.artificialtechnologyintelligentapplicationsexploreWebrealitylogicallyMybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.Helikedto________theWorldWide_______andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information___________)anddevelopedaspecialin________exploreWebtechnologyartificialintelligence.Afterdevelopingspecial____________ofthecomputer,hehopestodesignan__________robotwhichcanthink________andlooklikehumanbeing,butin________hewasalongwaytogo.logicallyapplicationsintelligentreality1.calculatevt.work(sth.)outbyusingnumbers计算e.g.calculatethecostofsth.calculatorn.计算器2.universaladj.existingeverywhereorinvolvingeveryone普遍的；通用的；宇宙的universalrules一般的原则universen.宇宙;万有;世界;全人类Ourworldisbutasmallpartoftheuniverse.我们的世界只是宇宙的一小部分。3.simplifyvttomakesomethinglesscomplicatedandthereforeeasiertodoorunderstand简化TheEnglish