Unit3BacktothePastWeletotheunitReading课件高中英语牛津译林版（2020）选择性

Unit2Backtothepast(Welcome—Reading)ⅠPre-readingFamoussaying(P29)Lookingintoamirror,wecanseetrueimagesofourown;withourknowledgeofthepast,thepresentcanbebetterknown.—ChenShou

明镜所以照形，古事所以知今。

——陈寿陈寿，三国及西晋时期史学家。该句出自他的《三国志.吴书.吴主五子传》，表明研究历史是为了洞察当今的形势。Atimemachine:TimeTravelLifeonaspacestation

Peoplehavebeendreamingabouttimetravelformanyyears.Readtheexcerptandcompletethetable.Thenameofthebook(1)Theauthor(2)Themaincharacter(3)Themaincharacter’sview(4)Thewaytosupporthisidea(5)Theplotstobecontinued(6)

WelcometotheunitTheTimeMachineH.G.WellsTheTimeTravellerThereisafourthdimension—Time.HeconductedanexperimentwithamodeloftheTimeMachine.Hemovedintimeandgotenoughprooftomakethegroupconvinced.Discussion1.WhatdoestheTimeTravellerthinkofthefourthdimension?

2.Ifyouhadatimemachine,whichdynastywouldyougobackto?Why?

3.Whichhistoricalfigurewouldyouliketomeet?Whatwouldyousaytohim/her?

Discussion1.WhatdoestheTimeTravellerthinkofthefourthdimension?

TheTimeTravellerthinksthatTimeisthesameastheotherthreedimensions.Hesaid,"Length,BreadthandThicknessdonotpass.Wemoveaboutinthem.WemoveinTimethesamewaythatwemoveintheotherthreedimensions."HebelievesthatbecauseTimeisliketheotherthreedimensions,wecantravelthroughTime.Discussion2.Ifyouhadatimemachine,whichdynastywouldyougobackto?Why?

IfIhadatimemachine,IwouldliketogobacktotheTangDynasty.IhavealwaysbeenfascinatedbyChang’an,soIwishIcouldtraveltotheancientcapitalandseewhatlifewaslikebackthen.

3.Whichhistoricalfigurewouldyouliketomeet?Whatwouldyousaytohim/her?

历史人物IwouldliketomeetChristopherColumbus.Pleasetrytothinkabouthisequivalent(对等的人或事)inancientChina.ZhengHeExplorershaveplayedanimportantroleinworldhistory.TheirdiscoverieshaveimprovedourknowledgeoftheEarthandhavealsochangedthewayweunderstandourplaceintheworld.SailingtheoceansWhatdangersdidexplorersfaceinthepast?Inthepast,beforemoderntechnologieswereinvented,explorersmainlytravelledbyshipandonfoot,ortheyusedanimalstogetaround.TheydidnothaveGPSandmedicaltreatmentsformanydiseaseswerenotyetdiscovered.Becauseofthelackoftheseinventionsanddiscoveries,journeysofexplorationwouldtakealongtimeandconditionswereveryunhealthyandunsafe.Manyexplorerswouldgetextremelyillanddiefromdiseases.Theywouldalsogetlostindangerousenvironments,likeatseaorinthejungles.Pre-readingBeforeyoureadthearticles,thinkaboutthefollowingquestions:ⅡFastreading

ZhengHePara(s)_____:

IntroductionofhisfisrtvoyagePara(s)_____:MoredetailsabouthisvoyagesPara(s)_____:Significanceofhisvoyages

Whatisthestructureofthetwo

passages?While-reading123-4

ChristopherColumbusPara(s)___:Introductionof_________________Para(s)___:Detailsabouthis_______________Para(s)___:_____________ofhisvoyages

Whatisthestructureofthetwo

passages?While-reading123ChristopherColumbusfirstvoyageSignificanceIntensivereadingⅢReadthearticlesagainandcompletethetable(P32A1)Inthesummerof1405TaicangOver200ships28,000Morethan30countriesandregionsSevenPara3-4On3August1492SpainThreeships90CaribbeanThreePara3While-readingSignificanceZhengHe’sexplorationChristopherColumbus’sexplorationZhengHe’svoyageshelpeddevelopandstrengthenharmoniousrelationswiththecountriesandregions,exposingforeignpeopletoChineseculture,andallowingtheChinesetobetterunderstandoverseaslands.Columbus’sdiscoveryinspiredexplorerstoexploreanddiscovermorevastareasoftheworld.HisvoyagesopenedanewchapteroftheAgeofExploration,aperiodwhichwitnessedmanyimportantgeographicalfindingsandallowedforaninternationalexchangeofideasandcultures.P32A21.WhywereZhengHe’sshipsloadedwithchina,silk,teaandothertreasures?2.WhathelpedprovethattherecordsofZhengHe’svoyageswerenotlegends?3.WhatchallengesdidColumbusandhiscrewencounterduringthejourneyin1492?4.WhydidColumbuscallnativeIndians?P32A21.WhywereZhengHe’sshipsloadedwithchina,silk,teaandothertreasures?Becausethesearegiftstoforeignrulers.2.WhathelpedprovethattherecordsofZhengHe’svoyageswerenotlegends?AnenormousshipyardwasdiscoveredinNanjing,wherethefleethadbeenbuilt.P32A23.WhatchallengesdidColumbusandhiscrewencounterduringthejourneyin1492?Ittooklongerthanexpected,theyalmostranoutoffoodandwaterenteredoneoftheships.4.WhydidColumbuscallnativeIndians?BecausehewasconvincedthathewasintheEastIndies.Whatarethe