unit 4 cyberspace lesson 15教案 （北师大版必修2）

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1、lesson3VirtualReality教学指导Objectives■Topractiseusingfirstandsecondconditionals.■Toassesswhetherwebsitesarereal.ResourcesusedGrammarSummaries2.and3.Mini-Grammar2Possibleproblems■Studentsmayusewillafterifinconditionalsentences.■Studentsmayneedtorevisezeroconditionals(Ifplusimperative).T

2、herearerevisionexercisesintheLanguagePowerbook.BackgroundTheLondonScienceMuseumhasanexcellentinteractivewebsite.Virtualholidaysarestillsomethingfromsciencefictionbutwillsoonbetechnicallypossible.Lesson13hasnotesonvirtualreality.Routesthroughthematerial■Ifyouareshortoftime,setsomeofth

3、eexercisesforhomeworkandomitExercises6and8.■Ifyouhavetime,dotheOptionactivity.■Ifyouhavetwoperiodsforthislesson,asuitablenaturalbreakisafterExercise4.LanguagePower:pages58?C59.Mini-Grammar:2.BeforeyoustartExercise1■AskstudentstolookbackatLesson1andfindthedefinitionofvirtualreality(Ex

4、ercise4,definition2).Studentsthendiscusswhichoftheusesarepossibleatpresent(Allexceptvirtualholidays).Exercise2■Studentslookatthetwowebsitesanddecidewhichistherealone(TheScienceMuseum).■Studentsthendiscussquestions1?C3ingroupsbeforereportingbacktotheclass.Whenreportingbacktotheclass,s

5、tudentsshouldgivereasonsforquestion3,e.g.WhydidyouliketogotoavirtualrealityUniversity?BecauseIcanstudyinaworld-famousuniversity.Exercise3■Studentsreadthequestions,thenreadthedialoguetofindtheanswers.Answers1Shehastofinishherproject.2He’llgocampingiftheweatherisgood.3no4no5Hewouldlike

6、togotoaworld-famousuniversity.6Shethoughtshewouldbeabletogoanywheresheliked.■Remindstudentsthattheimportantwordsinasentencearestressed.Thenhavethemreadthedialoguealoudinpairs,stressingtheimportantwordsineachsentence.VoiceyouropinionExercise4■Studentstalkabouttheadvantagesanddisadvant

7、agesofavirtualuniversity.Thetextdoesn’tprovideenoughinformation,soaskstudentstousetheirimagination.Youmaydividetheclassintogroupsanddrawtwocolumnsontheblackboard.Encourageeachgrouptoaddtheirideasonboard.GrammarFIRSTCONDITIONALExercise5Youmaywishtoremindstudentsofthezeroconditional(se

8、eLanguagePow