凤凰国际英语托福综合写作主题训练education.ppt

CastDoubt4ProcedureReadingThesedays,manyschoolsandresearchinstitutionsfindthemselvesrelyingmoreandmoreuponeducationalvideosandDVDs.Whilesomepurists,preferringtousebooks,arevehementlyagainstthistrend,therelianceuponvisualmaterialsisactuallyapositivething.
Firstofall,educationalmaterialsareuselessiftheaudiencedoesnotpayattentiontothem.Thetwenty-firstcenturyisavisualage.StudentsaremuchmoreusedtowatchingvideosandDVDsthantoreadingbooks.Byrelyinguponvisualaids,educatorsaremorelikelytocapturetheattentionofstudents.Also,videosandDVDsaremoreeasilyabletoexplaindifficultprocessesorideasthroughtheuseofgraphicsorcomputeranimation.Thisqualitymakesdifficulttopicsmucheasiertounderstand,adefinitemeritthatwillhelpstudentsfurthertheireducation.
Also,videosandDVDsaremuchcheaperthanbooks.Manyvisualaidssellforlessthantendollarswhilebooksmaycosttwoorthreetimesthatamount.Sincemanystudentsareontightbudgets,thiseconomicbenefitwillhelpthemconsiderably.Additionally,manyschoolsonlyhavetopurchaseonevideoorDVDasopposedtobuyingthirtyorfortyormorecopiesofthesamebook.Bypurchasingvisualmaterials,schoolscansaveconsiderableamountsofmoney,whichtheycanusetobuyotherimportantmaterials.
NotesforreadingIknowmanyofyoupreferwatchingeducationalDVDstoreadingbooks.However,Imustinformyouthatbooksarestillmuchbetterthanwatchingvisualaids.Allowmetoeducateyouastowhy.
First,videosarelimitedbytime.Youcanonlyimpartsomuchinformationinaone-ortwo-hourvideo.Therefore,muchinformationislikelytobeincompleteandnotcontainallthenecessaryinformation.Youdon’thavethisissuewithbooks.A500-pagebookisfilledwithmuchmoreinformationthanatwo-hourDVD.Inaddition,visualmaterialsareoftendesignedmoreforentertainmentthaneducation.Thismeanstheyareoftenhighlysimplified.Youoftencan’texplaindifficulttopicsonvideos.Again,booksdon’tsufferfromthisproblem.
Secondofall,visualaidsreallyaren’tcheaperthanbooks.Don’tbelieveme?Okay,well,tapesanddisksofmoviesareoftenrathercheap,butthisisn’tthecaseforeducationalmaterials.Theyarealmostalwaysverypricey,costingbetwe