unit 4 cyberspace-lesson15 教案2（北师大版必修2）

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1、Lesson3VirtualRealityObjects:1.Topractiseusingfirstandsecondconditions.2.Toassesswhetherwebsitesarereal.Teachingprocedures:Ⅰ.Warm–up.1.Whatisvirtualreality?Key:Virtualrealityistheuseofcomputerstomakesituationsfeelorlookreal.2.Whatwillourlifebelikeifvirtualrealityisever

2、ywhereinourlife?Key:Theanswercanbevary.3.Lookatthefollowingpicturesandguesswhichisreal?Key:Theanswercanbevary.4.Whatcanweusevirtualrealityfornow?Key:Wecanuseitforplayingvirtualrealitycomputergamesandlearningtoflyusingvirtualrealitysimulator(模拟器)andvisitingvirtualmuseum

3、sontheInternetandsoon.5.Whatdoyouthinkofvirtualreality?Key:Virtualrealitycanbringuslotsofconveniences.Youwillfindlotsofgoodinformationathome,andneedn’tspendtimetravelingthere.6.Youhavetwochoiceswhichonedoyouprefer?Why?1)A.YoucangotoCaliforniaandattendStanford–aworldfam

4、ousuniversitythisfall.B.YoucantakecoursesonlineofStanfordathomeandgetadegree.2)A.YoumakeatriptoHongKongwithyourfamilythisweekend.B.YoucanusecomputertotravelaroundHongKong,thatistosay,virtualtravel.Key:Theanswercanbevary.Ⅱ.Fastreading1.ReadthetextanddotheTorFquestions.1

5、)ThisweekendTomwillhelpCathyfinishaprojectonthehistoryoftheInternet.2)CathyismoreinterestedinvirtualholidaythanTom.3)Tomwillhaveavirtualrealityholidaythisweekend.4)Virtualuniversityisaninterestinggameonlineinsteadofarealuniversity.5)Virtualrealityholidaysspendlesstimet

6、hanrealholidays.6)Youneedn’tgototherealplaceinvirtualrealityholidaysbutyoucangetrealfeelingoftravelingthere.7)TheScienceMuseumonlinedoesn’texistinfact,justimagineit.Answers:1)F2)T3)F4)F5)T6)T7)F2.What'sthemainideaofthisarticle?A.TheweekendlifeofCathyandTom.B.Thelifetha

7、tstudentshopeforlivinginthefuture.C.Theimaginationofvirtualreality’sholidayandstudysituation.D.Imaginationofhowtoliveinthefuture.Key:CⅢ.Carefulreading1.Analysisthesesentencesinthetext.1)Ifit'sgood,Dad,MumandIwillprobablygocamping.2)Butwewon'tgoifitrains.3)IfIstayhome,I

8、'llhelpyouwithyourprojectIfyoulike.4)Ifyoutellmesomesites,I'lllookfortheminthelibrary.5)IfyougototheScienceMuseumwebs