Unit+4+Information+technology+Lesson+1+课件- 【知识精讲精析+能力拓展提升 】 高中英语北师大版（2019）必修第二册

UNIT4INFORMATIONTECHNOLOGYLESSON1AVATARSWhatkindofpicturedoyouuseasyouravataronline?Describe

itandsharethereasonforyourchoice.Pre-reading:ACTIVATEANDSHAREExample:Iuse...asmyavatarbecause...Talkaboutwhatwouldyouliketolearnfromthearticle.Writedownyourquestionsandreadtocheck.PredictionTheavataryouchoosesaysalotaboutyou.Thearticlewillhelpyouunderstandavatarsbetter.Avatars

FastReading:ReadforGeneralUnderstandingFromwhataspectsdoestheauthortalkaboutavatars?Matchtheparagraphwiththekeyinformation.AvatarsPara1Para2Paras3-5Para6historypurposes

ofusingavatarsdefinitiondifferentviewsCompletetheinformationbelow.Definition:A_______imagethatrepresentsanInternetuser.History:inthe1980s—appearedin___________computergames.bythelate1990s—usedin___________.digitalrole-playingwebFastReadingchatsCompletetheinformationbelow.Purposes:toexpressoneself:to_______theirnewidentities.totrybeingsomeoneofthe________sex.tocallthemselvesothernames.tohave______________oneavatar.torepresentoneself:acutecat:Ilike________andhavingfun.________characters:I’mareallyfunnyperson.oppositecreatemoreFastReadingthancartoonrelaxingCompletetheinformationbelow.Views:negative:afraidofmeetingpeopleinthe______world.avatarscanbeusedto_______othersonline._______:expectthattheavatarwillactlikearealpersonandtravelaroundbigger,moreexcitingvirtualworlds.FastReadingcheatrealpositiveFastReading1.Howdoestheauthorintroduceavatar?2.Whydopeoplemaketheiravatarslookbetterthantheydoinreallife?Perhapstheywanttolooklikethetall,young,andnice-lookingavatars.Heorsheintroducesthedefinition,history,theuseofavatarsandpeople’sviewsaboutavatars.Answerthequestions.FastReading3.Howdopeopleuseavatars?Theyusethemtoexpressthemselvesandtorepresentthemselves.Answerthequestions.AVATARS

虚拟形象Whenyouareonline,youcanbeanyoneoranything.在网上，你可以成为任何人或变成任何东西。Youcancreateyourownimageandanewpersonality.你可以创造自己的形象和一个新的人格。Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.这些数字身份，也就是虚拟形象，是人们如何使用网络和别人沟通，表达自己的关键。Thefirstsimple2Davatarsappearedinrole－playingcomputergamesinthe1980s.第一个简单的2D虚拟形象出现在20世纪80年代角色扮演的电脑游戏中。 Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.然而，在那个时候很少有人知道，未来的虚拟形象会有多种表现形式和使用方式。 Bythelate1990s,theyhadbeenusedinwebchatslikeinstantmessenger.在20世纪90年代末，虚拟形象被应用在网络聊天，就像即时通讯一样。Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.当人们开始创造自己的虚拟形象时，他们会发现自己有能力打造一个长相或者行为完全不像他们自己的全新的身份。 Theycoulddresstheiravatarsinfancyclothes,ortheycouldtrybeingsomeoneoftheoppositesex,andcallthemselves“Andy”insteadof“Anna”！他们可以给虚拟形象穿上漂亮的衣服，甚至可以变成和自己相反的性别，叫自己安迪而不是安娜！WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good－lookingoneformeetingpeople;andasillyoneforhavingfun.当网络使用者发现他们的虚拟形象会被许多人看到时，不只是自己的朋友。他们就开始创造更多的虚拟形象：一个合理的虚拟形象用于工作，一个友好的、漂亮的形象用于与人交往，还有一个傻傻的用于逗乐。Avatarsletyouexpressyourselfandtheygiveyoulotsofroomforcreativity.虚拟形象让你表达自己，它们给了你很大的创造空间。

Ofcourse,theavataryouchoosesaysalotaboutyourpersonality.当然，你选择的虚拟形象应该能体现你的个性。 Ifyourblogavatarisapictureofacutecat,yourmessageis“Ilikerelaxingandhavingfun”.如果你的博客虚拟形象是一只可爱的猫咪照片，你的信息是“我喜欢放松和玩乐”。 Well－knowncartooncharactersorlaughingmonkeyssay“I'mareallyfunnyperson”.著名的卡通人物或会笑的猴子则表示“我是一个非常有趣的人”。Mostpeoplecreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.大多数人创造的虚拟形象都有着与他们性格相似的特征，看起来或多或少像他们，或者表现得像他们。 However,nearlyallavatarsaretall,youngandnice－looking,sopeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.然而，几乎所有的虚拟形象都是高挑的，年轻的和好看的，所以人们显然让他们的虚拟形象看起来比现实生活中的形象要好。

Theyalsoexperimentwiththingslikedifferenthairstyles—whichsaysalot,perhaps,aboutwhattheywanttolooklike.他们还尝试不同的发型——这也许能说明他们想要什么样的发型。Nowadays,avatarsareeverywhere.如今，虚拟形象无处不在。 Inmostwebchats,peoplechooseanavatarfromaselectionofready－madeimages,orcreatetheirownimages.在大多数网络聊天中，人们从一组现成的图片中选择一个虚拟形象，或者创建自己的图像。

Youcanalsouseavatarsthatmovearoundandtalkwhenyoutypeinyourmessage.当你输入信息时，你也可以使用虚拟形象进行移动和交谈。Theavatarsinonlineworldscantalk,walkandflyaround,meetpeople,goshoppingandattendclasses.网络世界中的虚拟形象可以聊天、散步和四处飞行，结识朋友、购物和上课。Theuseofavatarshasalsocausedafewconcerns.虚拟形象的使用也引起了一些担忧。 Someusersworrythattheyarespendingsomuchtimeinvirtualworldsthattheyarebecomingafraidofmeetingpeopleintherealworld.一些使用者认为在虚拟世界中花费过多的时间会使他们害怕和现实中的人交往。 Theuseofseveralavatarscanalsobearisk,aspeoplecanuseavatarstocheatothersonline.使用几个虚拟形象也有风险，因为人们可以使用虚拟形象在网上欺骗他人。However,otherusersviewavatarsinamorepositivelight.然而，其他用户则以更积极的角度看待虚拟形象。 Theylookforwardtoatimewhentheiravatarwillactlikearealpersonandtravelaroundbigger,moreexcitingvirtualworlds.他们期待着有朝一日，自己的虚拟形象会像真人一样去环游更广阔、更精彩的虚拟世界。

课文语法填空Avatarsaredigitalimages

representInternetusers.Veryfewpeopleknewavatars

(have)awidevarietyofformsandusesinthefuturewhenthefirstsimple2Davatarsappearedin

1980s.Bythelate1990s,peoplehadusedavatarsinwebchats.Andnowadays,peoplecanchooseanavatar

aselectionofready-madeimages.Avatarsletyouexpress

(you)andgiveyoulotsofroomfor

(creative)

.Buttheuseofavatarshasalsocausedafew

(concern)

.Someusersworrythatiftheyspendtoomuchtimein,virtualworlds,theywillbeafraidof

(meet)

peopleintherealworld.Avatarscanalsobeusedtocheatothersonline.

,manypeopleseeavatarsinamorepositivelight.Theyhopethattheiractlikearealpersonandtravelaround

(big),moreexcitingvirtualworldsinthefuture.that/whichwouldhavethefromyourselfcreativityconcernsmeetingHoweverbiggerAvatarsare1.________identitiesthatyouusetorepresentyourselfonline.Youcanchooseanavatarfromaselectionof2.___________images,or3._________yourownimages.Althoughavatarshaven’tbeenaroundforlong,theyare4._______used.Avatarsletyou5.______________andgiveyoulotsofroomforcreativity.Buttheuseofavatarshasalso

LanguagePoints:wordsorphrasesready-madecreateexpress

yourselfwidelydigitalCompletetheshorttextwithinformationfromthearticle.caused6._____________.Someusersworrythattheyarespendingsomuchtimein7.______worldsthattheyarebecomingafraidofmeetingpeopleintherealworld.Theuseofseveralavatarscanalsobe8.______________,aspeoplecanuseavatarsto9.________othersonline.However,manypeopleseeavatarsinamore10.___________light.LanguagePoints:wordsorphrasesCompletetheshorttextwithinformationfromthearticle.afewconcernsvirtualasourceofriskcheatpositive

1.Thesedigitalidentities,knownas

avatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.

known

过去分词作后置定语修饰identities，表示identities

和

know

之间是被动关系。Page8FocusonLanguage:DifficultSentences这些数字身份，被称为虚拟形象，这是人们利用互联网进行交流和表达自己的关键部分。FocusonLanguage:Practice1.Thehouse_____(build)lastyearismeantforteachers.2.Georgehasapreferenceforthegift_______(buy)byhismother.builtbought

2.Bythelate1990s,theyhadbeenusedinwebchatslikeinstantmessenger.20世纪90年代末，它们（虚拟形象）被用于网络聊天，如即时通讯。

过去完成时表示在过去某一动作以前已经发生或完成了的动作（即过去的过去）表示动作在过去某一时间之前开始，一直延续到过去的这一时间，而且还可能继续下去的动作。常用时间状语有：

bythen,bytheendof,until,before…Page9FocusonLanguage:DifficultSentences1.Hesaidthathe__________(be)abroadforthreeyears.2.JustasIgottotheschoolgate,IrealisedI_________(leave)mybookinthecafe.3.Untilthenhe___________(know)nothingaboutityet.4.Silk____________(become)oneoftheprimarygoodstradedalongtheSilkRoadbyabout100BC.hadbeenhadlefthadknownhadbecomeFocusonLanguage:Practice3.Someusersworrythattheyarespendingsomuchtimeinvirtualworldsthattheyarebecomingafraidofmeetingpeopleintherealworld.so…that或such…that“如此…以致于”，引导结果状语从句。一些用户担心他们在虚拟世界中花费了太多的时间，以至于他们开始害怕在现实世界中与人见面。FocusonLanguage:DifficultSentencesPage9such+a/an+adj.+c.n.+that…such+adj.+pl.n.+that…such+adj.+u.n.+that…so+adj./adv.+that…so+adj.+a/an+c.n.+that…so+many/few(少)+pl.n.+that…so+much/little(少)+u.n.+that…1.Thisis____interestingabookthatweallenjoyreadingit.2.Heran_____quicklythatweallcouldn’tcatchupwithhim.3.Theyare_____interestingbooksthatweallenjoyreadingthem.4.Heshutthewindowwith____forcethattheglassbroke.sososuchsuchFocusonLanguage:Practice5.Therewas____muchfoodthatwecouldn’teatitall.6.Heis_____alittleboythathecan’tliftthebox.7.Ihave_____littlemoneythatIcannotaffordacar.sososuchFocusonLanguage:PracticeGrammarGrammar:pastfuture1.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.2.ManyInternetusersrealised

thattheiravatarswouldbeseen

bymanypeople,notjusttheirfriends.Readthesentencesandtellwhichpartreferstothepastandwhichreferstothefutureinthepast.Grammar:pastfuture3.Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall