必修二（unit3 computers--period4 listening） (2)

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1、Period4ListeningTheGeneralIdeaofThisPeriod：ThisperiodincludeslisteningandwritingonPage21；listeningonPage55andlisteningtaskonPage58.Apparently，thepurposeofthisperiodistotrainthestudents’listening—forinformation；forcomprehensionandforlanguage.Meanwhile，thestudentswillbetrainedtoexpresstheirownopi

2、nionsafterlistening.TeachingAims：1.Helpthestudentstolearnabouttheknowledgeofinformationtechnology.2.Enablethestudentstogetthemainideasofthelisteningmaterials.TeachingImportantandDifficultPoints：1.Howtogetthemainideaandinformationindetails.2.Expresstheirownopinionsafterlistening.TeachingMethods：

3、1.Task-basedlearning.2.Cooperativelearning.TeachingAids：1.Ataperecorder.2.Amultimedia.TeachingProcedures：Step1RevisionCheckthestudents’interviews.Getthestudentstoworktogetherwiththeirpartnerstointervieweachother.Step2Listeningandwriting（Page21）Task1ListentoaconversationT：Class，asweallknow，the21

4、stcenturyisthecenturyofinformationandtechnology.NextwewilllistentoaconversationaboutdifferentkindsofinformationtechnologyorIT.Andasweknow，eachkindofinformationtechnologyhasitsownadvantagesanddisadvantages.Sofromthisconversationwewilllistenfortheadvantagesanddisadvantagesofeachone.Butbeforeliste

5、ninglet’sfirstlookatthepicturesonPage21andtheformonPage22tomakesurewhatyouaregoingtodowhilelistening.OK，let’sbegin.Thestudentslistentotheconversationforthefirsttime.Task2DiscussionandfillingT：YoucanseethereareaTV，aCD-ROM，acomputer，aradio，aDVDandnewspaperhere.Nowtrytofinishfillingintheformwithth

6、einformationyouhavejustgotfromtheconversation.Suggestedanswers：TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatchYoucan’twritetofriendsWebYoucanfindinformationIt’sveryexpensiveRadioYoucanlistentoEnglishYoucannotwatchBookYoucangetinformationSometimesitisout-of-dateT：Now，let’sdiscusstheadv

7、antagesanddisadvantagesofeachtypeofITinsmallgroupsandthendecidewhichtypeofITisbestforyoutouse，accordingtotheformaboveandexplainthereasons.Whilediscussing，remembertousethefollowingexpressions：Ithinkthat...Inmyopinion...Ibelievethat