Unit 4 Information Technology Lesson 2 課件-高中英語北師大版（2019）必修第二冊

Unit4InformationTechnologyLesson1AvatarsPeriod2Recalling1.Whattexttypedoesthisarticlebelongto?Exposition.(1)Itexplainsaprocessinasequenceaboutsomefacts,forexample,1980s,1990s,nowadays.(2)Itprovidesacomparisonandcontrastbetweentwothings.Asisshowninthelastparagraph,twodifferentviewsonavatarsarepresented.Answerthequestionsaccordingtowhatwehavelearntinthelastlesson.Recalling2.Whatareitscommunicativepurposes?Thecommunicativepurposesofthisarticlearetointroduceavatarstothereaders,fromdefinition,history,purposeofusingavatarstodifferentviewsonavatars.Italsowarnsusthattheuseofseveralavatarscanbearisk,weshouldbecarefulwhensurfingonlineinordertoavoidsomeproblems,likebeingafraidofmeetingpeopleinrealworldbecauseofspendingtoomuchtimeinvirtualworlds,plusbeingcheated.RecallingCompletetheshorttextwithinformationfromthearticle.Avatarsaredigital1________thatyouusetorepresentyourselfonline.Youcanchooseanavatarfrom2_________ofready-madeimages,or3___________________.Althoughavatarshaven’tbeenaroundforlong,theyarewidelyused.Avatarsletyou4_____________andgiveyou5_________________.Buttheuseofavatarshasalsocaused6____________.Someusersworrythattheyarespendingtoomuchtime7______________thattheyarebecomingafraidofmeetingpeopleintherealworld.Theuseofseveralavatarscanalsobe8_____,aspeoplecanuseavatarsto9________________.However,manypeopleseeavatarsin10_______________.expressyourselfidentitiesaselectioncreateyourownimagesroomforcreativityafewconcernsinvirtualworldsariskcheatothersonlinea

positive

lightObservingReadthesentences.WritePbelowtheunderlinedpartsthatrefertothepastandPFbelowtheunderlinedpartsthatrefertothefutureinthepast.1.Yetveryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.2.Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohave

thepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.3.ManyInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends.PPFPPPPFPFObserving4.Whentheaward-winningoutreachprogramwaslaunched

in2005,it

wasbelievedthatitwouldeducate

kidsaboutenergyuse.5.GregCross,theChiefBusinessOfficerofSoulMachines,assertedthat

kidswhohavegrownupinthissmartdeviceerawouldadapttonew

technologyquickly,andhewasgoingtodeveloptheconceptof

digitalhumansintheareaofeducationfurther.

PPPFPPFPFGrammarSummary“過去將來時”指的是以過去時間為基點將要發(fā)生的情況。Definition試對比：Iwill

gotomorrow.這里的tomorrow是“將來”；IsaidthatIwould

gothenextday.這里的thenextday是“過去的將來”，對現(xiàn)在而言，thenextday可能已經(jīng)過去了。GrammarSummary基本結(jié)構(gòu)：1.主語+was/were

goingto+動詞原形Iwasgoingtotell

him,buthedidn’tgivemeachance.我想要告訴他這些事的，但他沒給我機會。2.主語+would+動詞原形Hesaidthathewouldn’tfinishhisworkthisafternoon.他說他今天下午完成不了工作。GrammarSummary3.主語+was/were+現(xiàn)在分詞Wewereseeingeachotherlaterthatday,butIhadtophoneandcancel.我們本打算那天晚些時候見面的，但我打電話取消了。4.主語+was/were（about）+動詞不定式He

said

they

were

toleaveatsix.他說他們將于6點出發(fā)。基本結(jié)構(gòu)：GrammarSummarywas/weregoingtobe/dowouldbe/do比較was/weregoingtobe/do”和“wouldbe/do”結(jié)構(gòu)表示過去計劃、安排要做的事表示說話人根據(jù)當時的跡象推斷將發(fā)生的事表示過去的計劃或打算，但因外界干擾而中斷多用于非正式場合或口語中表示過去將來要發(fā)生的事表示意愿或承諾要做的事表示過去某個時期常見的情況或習慣性的動作除用于口語外，多用于正式場合或書面語中Practicewasgoingtodowillbe√√isabouttostartwouldhaveshownPracticeCompletetheblogextract,usingthecorrectformofthewordsandphrasesbelow.Someofthemcanbeusedmorethanonce.becomelovebeabletonothavetoFromthetimeImetAliciaTang,Iknewshe1______________

thenextbigthinginthetechnologyworld.Afifteen-year-oldappdeveloper,shewasconfidentthatherfirstapp2______________oneofthebiggestsellingintheworld.Nowatonlyeighteen,shehasaccomplishedhergoalasheronlineshoppingcomparisonapphasmillionsofdownloads.wouldbecome

wouldbecomePracticebecomelovebeabletonothaveto“IfeltitwasgoingtobeasuccessbecauseIknewthatpeople3__________thefactthatthey4____________________spendsomuchtimesearchingforproductstheywanted,”saysAlicia.“WhenIwasgoingtolaunchtheapp,Ispoketolotsofexpertsandappdeveloperswhogavemegreatadviceandguidance.BecauseIhadthesupportofsomanypeople,IknewI5_______________makeasuccessfulapp.”shesays.wouldlovewouldn’thavetowouldbeabletoSpeakingPairWork:Supposeyouwereattheageoften,howwouldyoufancyyourlifeinthefuturewiththehelpoftechnology?Completethestorybyusingthepastfuturetenseinthiscontext.Example:WhenIwasten,Ibelievedthatanyonewhocoulduse

computer

wouldbecome

themostintelligentpersoninthefuture.IfanciedthatIwouldhave

aBPcall,liketheonemyfatherhad.IthoughtthatIwasgoingtobuy

arobottohelpwithmyhomeworkandexams.AssignmentRecallyourplans/dreamsfortravelling(playingfootball,holdingabigbirthdayparty,studyingabroad...)befor