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

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(shí)”指的是以過去時(shí)間為基點(diǎn)將要發(fā)生的情況。Definition試對(duì)比：Iwill

gotomorrow.這里的tomorrow是“將來”；IsaidthatIwould

gothenextday.這里的thenextday是“過去的將來”，對(duì)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(dòng)詞原形Iwasgoingtotell

him,buthedidn’tgivemeachance.我想要告訴他這些事的，但他沒給我機(jī)會(huì)。2.主語+would+動(dòng)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(shí)候見面的，但我打電話取消了。4.主語+was/were（about）+動(dòng)詞不定式He

said

they

were

toleaveatsix.他說他們將于6點(diǎn)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(jì)劃、安排要做的事表示說話人根據(jù)當(dāng)時(shí)的跡象推斷將發(fā)生的事表示過去的計(jì)劃或打算，但因外界干擾而中斷多用于非正式場(chǎng)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(gè)時(shí)期常見的情況或習(xí)慣性的動(dòng)作除用于口語外，多用于正式場(chǎng)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