人教版高中英语教案-必修二（Unit3 Computers--Period4 Listening）4页

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’sveryexpensiveRadioYoucanlistentoEnglishYoucannotwatchBookYoucangetinformationSometimesitisout-of-dateT：Now，let’sdiscusstheadvantagesanddisadvantagesofeachtypeofITinsmallgroups andthendecidewhichtypeofITisbestforyoutouse，accordingtotheformaboveandexplainthereasons.Whilediscussing，remembertousethefollowingexpressions：Ithinkthat...Inmyopinion...Ibelievethat...Iagreebecause...Idisagreebecause...I’vedecidedthat...Step3Listening（Page55）T：NowcometothelisteningonPage55.Beforeyoulistening，pleasereadtherequirementsofEx.1.Afterthat，youwillfindthethreerobotsfromthepicturesaboveonPage55andnumberthem.Thepossiblenumber：Picture1—No.3Picture3—No.2Picture4—No.1T：NowpleaselookattheseboxesonPage55beforeyoulistentothetapeagain，andtrytofindoutthelisteningpoints.Paymoreattentiontothesepointsandyoumaymakesomenoteswhilelistening.Threeminuteslater.T：Nowtrytofillintheboxeswiththeinformationfromthelisteningmaterial，andthencheckyouranswerswithyourpartners.Suggestedanswers：PersonalrobotInformationSize35cmWhatitlookslikeRobotwithfivearmsWhatitcandoAllhomeworkPrice50yuanadayBird-likeandroidInformationSize10cmWhatitlookslikeBird-likeandroidWhatitcandoSingsbeautifullyPrice600yuanLonelyandroidInformationSize2mWhatitlookslikeLarge，energeticrobotWhatitcandoClimbsmountains；playsguitar；singskaraokeTelephonenumberRoom-1234Step4Listeningtask（Page58）T：NowpleaseturntoPage58，andfinishthelisteningtask.Asweknow，computersareusedwidelyandputintoandroids.Pleaselookatthepicturesabove.Therearetwoandroidsinit.Oneworksasamaid.Theotherworksinacarfactory.Theyarefriendsandtheyweremadeatthesametime.Nowtheyaretalkingabouttheirlivesandwhatitfeelsliketobeandroid.OK，pleaselistencarefullytotheirproblemsandfillintheform.I’llplaythetapetwice. Afterlistening.T：Trytofillintheformsasquicklyasyoucan，andthenwewillchecktheanswersinclass.SuggestedanswersSallyandBrenda’sproblemsAbouttheirjobsTheirprogrammerdecidedthemAboutchangingtheirjobsTheyarenotabletochangejobsAboutwhodecidestheirfutureTheirprogrammerdoesAbouthowtheyaredifferentfrompeopleTheycannotsmell，laugh，taste，oreatfoodAbouthowtheyarethesameaspeopleTheyenjoyfootballT：Fromwhatwehavejustlistened，weknowthatSallyandBrendahavesometroublesintheirlives.Theyaretreatedbadly.Nowyouaregoingtomakealistoftherightsthatandroidsshouldhavesothattheywillbetreatedbetter.Youcanworkwithyourpartnersandhavediscussion.Suggestedanswers：1.Theyshouldbeabletochoosetheworktheydo.2.Theyshouldhavetheirowntime.3.Theyshouldbeabletochangetheirjobs.4.Theyshouldbeabletodecidetheirownfuture.5.Theyshouldbeabletotaste，smell，feel，etc.Step5AssignmentT：Class，Ireallyappreciateyourgoodperformanceinthislisteningclass.Icanseethatyourlisteninghasgreatlyimprovedsinceyoucametotheseniorschool.Keeponyourgoodwork!OK，wehavenotimeleft.I’dliketoassignyousomehomeworktodo.1.GooverthelisteningandwritingonPage21andgetreadyforthewriting.Step6TheDesignoftheWritingontheBlackboardUnit3ComputersPeriod4TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatch.Youcan’twritetofriends.WebYoucanfindinformation.It’sveryexpensive.RadioYoucanlistentoEnglish.Youcannotwatch.BookYoucangetinformation.Sometimesitisout-of-date.PersonalrobotInformationSize35cmWhatitlookslikeRobotwithfivearmsWhatitcandoAllhomeworkPrice50yuanadayBird-likeandroidInformation Size10cmWhatitlookslikeBird-likeandroidWhatitcandoSingsbeautifullyPrice600yuanLonelyandroidInformationSize2mWhatitlookslikeLarge，energeticrobotWhatitcandoClimbsmountains；playsguitar；singskaraokeTelephonenumberRoom-1234Step7RecordafterTeaching