高中英语(Cyberspace)教案3 北师大版必修2 教案 6页

lesson3VirtualReality教学指导Objectives■Topractiseusingfirstandsecondconditionals.■Toassesswhetherwebsitesarereal.ResourcesusedGrammarSummaries2.and3.Mini-Grammar2Possibleproblems■Studentsmayusewillafterifinconditionalsentences.■Studentsmayneedtorevisezeroconditionals(Ifplusimperative).TherearerevisionexercisesintheLanguagePowerbook.BackgroundTheLondonScienceMuseumhasanexcellentinteractivewebsite.Virtualholidaysarestillsomethingfromsciencefictionbutwillsoonbetechnicallypossible.Lesson13hasnotesonvirtualreality.Routesthroughthematerial■Ifyouareshortoftime,setsomeoftheexercisesforhomeworkandomitExercises6and8.■Ifyouhavetime,dotheOptionactivity.■Ifyouhavetwoperiodsforthislesson,asuitablenaturalbreakisafterExercise4.LanguagePower:pages58?C59.Mini-Grammar:2.\nBeforeyoustartExercise1■AskstudentstolookbackatLesson1andfindthedefinitionofvirtualreality(Exercise4,definition2).Studentsthendiscusswhichoftheusesarepossibleatpresent(Allexceptvirtualholidays).Exercise2■Studentslookatthetwowebsitesanddecidewhichistherealone(TheScienceMuseum).■Studentsthendiscussquestions1?C3ingroupsbeforereportingbacktotheclass.Whenreportingbacktotheclass,studentsshouldgivereasonsforquestion3,e.g.WhydidyouliketogotoavirtualrealityUniversity?BecauseIcanstudyinaworld-famousuniversity.Exercise3■Studentsreadthequestions,thenreadthedialoguetofindtheanswers.Answers1Shehastofinishherproject.2He’llgocampingiftheweatherisgood.3no4no5Hewouldliketogotoaworld-famousuniversity.6Shethoughtshewouldbeabletogoanywheresheliked.■Remindstudentsthattheimportantwordsinasentencearestressed.Thenhave\nthemreadthedialoguealoudinpairs,stressingtheimportantwordsineachsentence.VoiceyouropinionExercise4■Studentstalkabouttheadvantagesanddisadvantagesofavirtualuniversity.Thetextdoesn’tprovideenoughinformation,soaskstudentstousetheirimagination.Youmaydividetheclassintogroupsanddrawtwocolumnsontheblackboard.Encourageeachgrouptoaddtheirideasonboard.GrammarFIRSTCONDITIONALExercise5Youmaywishtoremindstudentsofthezeroconditional(seeLanguagePowerforexercisesonpage57)beforepractisingthefirstandsecondconditionals.Notethatothertermsmaybeusedforconditionalclausesinsomegrammarreferencebooks,e.g.real/openconditions(1stconditional)andunreal/hypotheticalconditions(2ndand3rdconditionals).■Studentsreadthesentencesinitalicsinthedialogueanddecidewhichsituationsarebeingtalkedabout(b).■ReferstudentstoGrammarSummary2.■Studentslookbackattheconditionalsentencesinthedialogueandreadthemaloud.Writethebeginningsofsomeofthesentencesontheboardandaddmoreprompts,e.g.IfIdon’tfinishmyhomework,…\nIftheweather’sgood,…Ifitrains,…Ifyou/Igoto…,IfIpasstheexamination,…■Studentsthencompletetheconditionalsentencestalkingaboutthemselves.Exercise6■Checkanswersbyaskingstudentstoreadthesentencesaloud.Answers2WillyougooutwithmeonSaturdaynightifyoufinishtheproject?3Ifyougotothatwebsite,you'llfindsomeinterestinginformation.4Willyougotothatconcertifitrains?5She'llbuyacomputerifshegetsthatjob.6I’llgiveyoutheinformationifyoutelephonemetomorrow.7Whatwillyoudoiftheweatherisn'tgoodtomorrow?8Mysisterwon'tgotoLondonifshedoesn'tpassherexams.■Askstudentstolookatthesentencesagainandnotewherethecommacomes(aftertheifclause).SECONDCONDITIONALExercise7■Studentsreadthesentencesanddiscusswhatthepeopleareexpressing.AnswerscReferstudentstoGrammarSummary2.■Writepromptsontheboardforstudentstocomplete:Ifwehadaholidayfromschooltomorrow/nextweek,…\nIfIhadalotofmoney,…IfIlivedinEngland,…IfIhadaholidayintheUSA,…Exercise8■Studentsworkinpairsreadingthesentencesanddecidingwhocouldsaythem.■Whencheckinganswers,askstudentsiftheycansuggestwhattheotherpersonwouldsay.Answers1a2b3b■PointouttostuendtsthatwecansayifIwere…orifIwas…,AskstudentstomakesentencesusingifIwere/wasamil-lionaire,…Exercise9■Whencheckingstudents'answers,alsochecktheuseofthecomma.Answers1IfIsurfedtheInternet,Iwouldfindinterestinginformation.2IfIdidnothaveatry,youwouldlaughatme.3IfItookpartinthegame,Iwouldwin.4Ifyoutoldthepolice,theywouldhelpyougetoutofthetrouble.5IwouldmakenewfriendsifIusedtheInternet.■AskstudentstomakemoresentencesusingIwouldmakemorefriendsif…Exercise10■Elicitsuggestionsforplacesstudentswouldliketovisitandaskthemfortheir\nreasons.Findoutwhicharethemostpopularplaces.■Studentsthenlookattheplaceslistedintheexerciseandsuggestthingstodoandseeineachofthem.■Studentsworkindividuallywritingaconditionalsentenceforeachoftheplaceslistedandforanotherthreeplacesoftheirownchoice.■Studentsworkingroups,readingouttheirsentences.Exercise11■Elicitothertopicstoaddtothelistforthefuture,e.g.money,holidays,hobbies,friends.■Thisexercisecanbegivenforhomework,ifyouwish,sothatstudentshavesufficienttimetothinkabouttheirfuture.■Encouragestudentstochecktheirownwritingand,ifappropriate,havesmallgroupsofstudentsreadthroughtheirtextsandcheckthem.■Studentsworkinpairs,discussingtheiridealfuture.■Thepairscanthenworkingroupsoffour,talkingaboutthefuture.OptionsPracticeDevelopExercises11andhaveindividualstudentsgiveshorttalkstotheclassabouttheiridealfuture.