最新中学生英语演讲稿：我的老师ladiesandgentlemen，ihavehadalotofteachersinmyschoolwhohavegivenmemuchhelpinmystudy。fortheirhelpiwillneverforgetthem。buttodayiamgoingtotalkaboutaspecialteacherofmine。thisteacherisnotahumanbeinganditsnameis“computer”。ithasbeenteachingmealotofknowledgeandiappreciateitverymuch。withthedevelopmentofmodernscienceandtechnology，computersarewidelyusedineveryteritories(1)includingeducation。howcanacomputerbemyteacherhowdoesacomputerteachmemultimedia(多媒体)helpsalotinthisaspectinrecentyears，andcomputer-basedtraining(cbt)hasbecomeapopulareducationalmedium(手段)。evenbeforethemultimediacome(2)up，manydifferentlearningsystemsappeared，usingthecomponentsandtechniqueswenowassociatewiththeterm“multimedia”。multimediacomponents，suchasgraphics(动画)，animations，soundandvideo，makethelearningprocesseasierthroughvisualization。animationscanpresentmanycomplexsubjectsdynamically，buthumanteacherscannotdothisonblackboards。multimediamakesourstudymorelivelyandinteresting。forexample，acd-romdisknamed“encartaencyclopedia”contains650mbinformationincludingimages，graphics，musicclips，videoclips，animations，texts，hotwords，anddatabasesearchfunctions。fieldsinvolvedincludesphysicalsciences，performancearts，socialsciences，politics，military，educationandsoon。whenpressingabutton，icanhearamericanpresidentclinton'sspeechclip。imayenjoyplayingallkindsofmusicalinstrumentsintheworld。icanalsoseetheanimationofmanyphysicalphenomena。thismakesphysicalconcepttobeunderstooddeeply(3)。theaudiofeaturesofmultimediacangreatlyhelpmelearning(4)foreignlanguages。withitsspeechoutputcapabilities，i'mnolongerdependentonaninstructorforproperpronunciation。howcaniinteractwithacomputertherearemanyways，includingkeyboard，mousepointer，andtouchscreen。ioftenuseakeyboard。whenipressrightkeys，icanseeandhearwhateveriwant。informationworldisatmyfingertip。iwishthattruespeechinput-outputsystemwouldbeinventedoneday。asteachers，computershavealotofvirtues：theyarepositive，theyhavegoodmemoriesandneverloseanyinformationstoredinthem。theyhavemuchknowledgeineveryfield。theycanletoutallkindsofsounds，andcanalsoimprovetheefficiencyofourstudy。forexample，ifiwantto，icanskipsomechapterssothaticanstudyatmyownpace。althoughcomputerswillnevertaketheplaceofhumanteachers，theyarewelcomedbymoreandmorelearners。computerswillcontinuetoevolve(开展)withtheaidofmoderntechnologies。computersaresopowerful，helpfulandimportantthateverybodyneedsit，especiallyinthefuture!ilovemycomputerteacher!thankyou。
