Lesson 3virtual reality优质课大赛

Lesson3VirtualRealityWhatisvirtualreality？Theuseofcomputerstomakesituationsfeelandlookreal.Task1Warmupheadsets,glassandspecialglovesandsuitsequippedwithsensorstheusercandirectlyinteractwitha3D(dimension)computerprogrammebymoving‘inside’it.virtualrealityholidayslearningtoflyusingvirtualrealitytechnologyplayingvirtualrealitycomputergamesvisitingvirtualmuseumsontheInternetWhichoftheseusesforvirtualrealityarepossiblenow?Playingvirtualrealitycomputergames.Learningtoflyusingvirtualrealitysimulator.VisitingvirtualmuseumsontheInternet.WouldyouliketovisittheScienceMuseumwebsite?Whyorwhynot?Wouldyouliketogotoavirtualuniversity?readthedialogueothers’opinionsOk,youwillfindlotsofgoodinformationathome.andneedn’tspendtimetravelingthere.Wonderful,studyinsuchaworld-famousuniversitywithoutgoingoutofyourroom.什么是虚拟现实技术呢？简单地说,就是人们利用计算机生成一个逼真的三维虚拟环境,通过自然技能使用传感设备与之相互作用的新技术。它与传统的模拟技术完全不同,是将模拟环境、视景系统和仿真系统合三为一,并利用头盔显示器、图形眼镜、数据服、立体声耳机、数据手套及脚踏板等传感装置,把操作者与计算机生成的三维虚拟环境连结在一起。操作者通过传感器装置与虚拟环境交互作用,可获得视觉、听觉、触觉等多种感知,并按照自己的意愿去改变“不随心”的虚拟环境。比如,计算机虚拟的环境是一座楼房,内有各种设备、物品，操作者会如同身临其境一样,可以通过各种传感装置在屋内行走查看、开门关门、搬动物品;对房屋设计上的不满意之处,还可随意改动。Task2ReadingTrueorFalse1.ThisweekendTomwillhelpCathyfinishaprojectonthehistoryoftheInternet.2.CathyismoreinterestedinvirtualholidaythanTom.3.Tomwillhaveavirtualrealityholidaysthisweekend.FTF4.Virtualuniversityisaninterestinggameonlineinsteadofarealuniversity.5.Virtualrealityholidaysspendlesstimethanrealholidays.TF6.Youneedn’tgototherealplaceinvirtualrealityholidaysbutyoucangetrealfeelingoftravelingthere.7.TheScienceMuseumonlinedoesn’texistinfact,justimagineit.TFReadthedialogueandanswerthequestions.1.Whycan’tCathygooutthisweekend?Shehastofinishherproject.2.WhereisTomplanningtogo?He’llgocampingiftheweatherisgood.3.DoesCathyhaveaprogrammefor‘virtual’holidaysonhercomputer?No.4.Doesshereallythinkshewillhavethechancetogoaworldtour?No.5.WhatwouldTomliketodowithvirtualreality?Hewouldliketogotoaworldfamousuniversity.6.WhyisCathysoexcitedaboutthetechnology?Becauseshethoughtshewouldbeabletogoanywheresheliked.Correctmistakes1.Whatareyougoingtodoatthisweekend.2.Ihavetoomanythingstobedone.3.Wewon’tgotogocampingifitwill.rain.4.Iftheyinventvirtualrealityholidays,I’dgoonanaround-the-worldtour.inventeds5.DoyouhaveanythingplanforSaturdayandSunday.6.Tomimagineshimselfgotoafamousuniversity.7.PersonalI’minterestedinvirtualuniversity.planedPersonallygoingWhataretheadvantagesanddisadvantagesofavirtualuniversity?Wouldyouliketogotosuchauniversity?Why?VoiceyouropinionNolimittotimeandplaceItisconvenienttoattendsavetransportationtimeneedn’tbuytextmaterialtakeyourjobasstudyAdvantagesofavirtualuniversityLackface-to-facecommunicationNorealexperienceofgoingtocollegeCan’tgotoavirtualuniversitywithoutspecialequipmentsDisadvantagesofavirtualuniversityLanguagepoints1.what’s…upto口语中问对方在做什么Youlookworried,whathaveyoubeenupto?你看上去很担心的样子,怎么了?Mybrotherlockedhimselfinhisroomforawholemorning.Whatisheupto?弟弟整个上午把自己关在房间,他在干什么?2.suggest建议,后接宾语从句(虚拟语气)或动名词短语。Isuggestthatyou(should)checktheinformationbeforeyousignyourname.我建议你在签字之前检查一下所列信息。Catherinesuggestsaskingherdadforhisopinion.凯瑟琳建议征询她爸爸的建议。暗示,表明(真实语气)Thelookonhisfacesuggestedhewasangry.他脸上的表情表明他生气了。3.ButIstillfindithardtoimagine.It是形式宾语,hard为宾语补足语,toimagine为真正的宾语。Childrenfindithardtoconcentrate.孩子们发觉很难集中精力Ifinditagreatpleasuretomeetyouhere.在这里遇见你真令人愉快。Ithoughtitbesttowaitforhim.我认为最好等他。IfounditnoteasytogetonwithJim.我发现和吉姆相处不容易。Readthesentencesinitalicsinthefirstseventeenlinesofthedialogue.Arethesentencesusedtotalkabout:a)Unlikelysituationsinthefuture?b)Possiblesituationsinthefuture?1.IfIdon’tfinishmyprojectonthehistoryoftheInternetfornextMonday’slesson,thescienceteacherwillbeangry.2.Ifit’sgood,Dad,MumandIwillprobablygocamping.3.Wewon’tgoifitrains.bbb4.IfIstayhome,I’llhelpyouwithyourprojectifyoulike.5.Ifyoutellmesometitles,I’lllookfortheminthelibrary.6.IfyougototheScienceMuseumwebsite,you’llfindlotsofgoodinformation.bbb7.Ifwehadvirtualrealityholiday,wewouldn’thaveanyproblemswiththeweather.8.Iftheyinventedvirtualrealityholidays,I’dgoonanaround-the-worldtour.bbWritethesesentencesasFirstConditionals.Puttheverbsinbracketsinthecorrectform.1.What(do)ifyourcomputer(notwork)?Whatwillyoudoifyourcomputerdoesn’twork?2.(Yougo)outwithmeonSaturdaynightifyou(finish)theproject?WillyougooutwithmeonSaturdaynightifyoufinishheproject?3.Ifyou(go)tothatwebsite,you(find)someinterestingimformation.Ifyougotothatwebsite,you’llfindsomeinterestinginformation.4.(Yougo)tothatconcertifit(rain)?Willyougotothatconcertifitrains?5.She(buy)acomputerifshe(get)thatjob.She’llbuyacomputerifshegetsthatjob.6.I(give)youtheinformationifyou(telephone)metomorrow.I’llgiveyoutheinformationifyoutelephonemetomorrow.7.What(youdo)iftheinformationifyou(telephone)metomorrow.Whatwillyoudoiftheweatherisn’tgoodtomorrow?8.Mysister(notgo)toLondonifshe(notpass)herexam.Mysisterwon’tgotoLondonisshedoesn’tpassherexams.Readthesentencesanddecidewhatthepeopleareexpressing.a)Unrealistichopesforhefutureb)Plansforthefuturec)Somethingthatisn’tpossiblenowIfwehadvirtualrealityholiday