Period4ListeningTheGeneralIdeaofThisPeriod：ThisperiodincludeslisteningandwritingonPage21；listeningonPage55andlisteningtaskonPage58.Apparently，thepurposeofthisperiodistotrainthestudents’listening—forinformation；forcomprehensionandforlanguage.Meanwhile，thestudentswillbetrainedtoexpresstheirownopinionsafterlistening.TeachingAims：1.Helpthestudentstolearnabouttheknowledgeofinformationtechnology.2.Enablethestudentstogetthemainideasofthelisteningmaterials.TeachingImportantandDifficultPoints：1.Howtogetthemainideaandinformationindetails.2.Expresstheirownopinionsafterlistening.TeachingMethods：1.Task-basedlearning.2.Cooperativelearning.TeachingAids：1.Ataperecorder.2.Amultimedia.TeachingProcedures：Step1RevisionCheckthestudents’interviews.Getthestudentstoworktogetherwiththeirpartnerstointervieweachother.Step2Listeningandwriting（Page21）Task1ListentoaconversationT：Class，asweallknow，the21stcenturyisthecenturyofinformationandtechnology.NextwewilllistentoaconversationaboutdifferentkindsofinformationtechnologyorIT.Andasweknow，eachkindofinformationtechnologyhasitsownadvantagesanddisadvantages.Sofromthisconversationwewilllistenfortheadvantagesanddisadvantagesofeachone.Butbeforelisteninglet’sfirstlookatthepicturesonPage21andtheformonPage22tomakesurewhatyouaregoingtodowhilelistening.OK，let’sbegin.Thestudentslistentotheconversationforthefirsttime.Task2DiscussionandfillingT：YoucanseethereareaTV，aCD-ROM，acomputer，aradio，aDVDandnewspaperhere.Nowtrytofinishfillingintheformwiththeinformationyouhavejustgotfromtheconversation.Suggestedanswers：TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatchYoucan’twritetofriendsWebYoucanfindinformationIt’sveryexpensiveRadioYoucanlistentoEnglishYoucannotwatch1BookYoucangetinformationSometimesitisout-of-dateT：Now，let’sdiscusstheadvantagesanddisadvantagesofeachtypeofITinsmallgroupsandthendecidewhichtypeofITisbestforyoutouse，accordingtotheformaboveandexplainthereasons.Whilediscussing，remembertousethefollowingexpressions...
