八年级物理下册第八章第一节牛顿第一定律第1课时习题课件新人教版

Unit2WorkbookUnit2Workbook1Task1:Leading-inDoyouknowthereisaneventcalled“Marathon”?DoyouthinktherewassuchaneventinancientOlympics?

TheMarathonwasamoderneventthatwasfirstintroducedListeningTask1:Leading-inListening2inthe1896OlympicGames.Thedistanceis26miles385yardsor42,195kilometres.It’saraceinhonorofPhidippides,anancientrunner.Inthe5thcenturyB.C,thePersiansattackedGreeceatMarathonnearAthens.Phidippidesinthe1896OlympicGames.The3The

Greekswereveryworriedanddidn’tknowwhattodo.TheysentPhidippidestoSpartatoaskforhelpforthebattle…TheGreekswereveryworrieda4Nowlistentothetapeandwritedowninonesentencehowtheheroofthestorysenthismessagemilesaway.Phidippidessenthismessagemileawayallbyhimselfonfoot.Nowlistentothetapeandwri51WhatwasPhidippides’jobaswellarunning?2WhydidtheGreekarmygotoMarathon?3DidPhidippidesdowhathewasasked?Howdoyouknow?Listentothetapeandanswerthequestions.1WhatwasPhidippides’jobas61WhatPhidippides’aswellarunning?Phidippides’jobwassoldieraswellasagreatrunner.HefoughtintheBattleofMarathonagainstthePersians.Healsosentmessagesmileawaybyrunning.1WhatPhidippides’aswella72WhydidtheGreekarmygotoMarathon?Theircitywasdoingtobeattacked,sotheGreekarmywenttoMarathontofighttheirenemy.2WhydidtheGreekarmygoto83DidPhidippidesdowhathewasasked?Howdoyouknow?Phidippidesdidwhathewasasked.WeknowbecausethereisamonumenttohimandtothedeadsoldiersatMarathon.Hediedgivinghismessage.3DidPhidippidesdowhathew9Prometheusiscreditedwithbringingenlightenmenttohumans.Prometheusstolefirefromthegodsandgaveittohumankind,bringingthepowerofwarmthandlighttothedarkandmiserableearth.PrometheusListeningtaskPrometheusiscreditedwithbr10PrometheusactedagainsttheexpresswishesoftheOlympianGods,whowantedtokeepthepoweroffire-enlightenment-fortheirexclusiveuse.Prometheusactedagainstthee11luminosityjusticepeacesolidificationfriendship友谊光明公正和平团结luminosityjusticepeacesolidifi12Task1:Leading-inWhatcanyouseeinthepicture?Task2:Readthestatementsandlistentothetapeforinformation.Task1:13Task3:Numbertheeventsonpage51anddiscusstheminpairs.Answers:5—7—2—1—6—3—8—4Task3:14ListeningtextHello!I’mthetorchthatlightstheOlympicfireandstartseverymodernOlympicGames.IalwaysbeginmyjourneyfromOlympiainGreecewheretheancientGameswerefirstheld.I’musuallylitbythesunthereandcarriedbymanyrunnersfromdifferentcountries.ListeningtextHello!I’mthet15ManypeoplecometowatchasItravelthroughtheircountrytothehostcity.However,onlythebestathletescarryme!It’sagreathonourandmanyathleteshopetogetthechancetodoso.ThegreatesthonoristobethelastathletewhocarriesmeintothestadiumwheretheGameswillbeheld.ThelastathletegetstheopportunitytolighttheOlympicfire.ManypeoplecometowatchasI16ThatfirewillburnforthewholeperiodoftheGamesandwillonlybeputoutwhentheGamesend.Ienjoybeingpartofsomuchsportingfriendship.TwospecialsetsofOlympicsareheldthesametimeastheSummerOlympics.Oneisforpeoplewithphysicaldifficultiesandtheotherforthosewithlearningdifficulties.Thatfirewillburnforthewh17IamalwayshappywhennewcountriesgetOlympicmedals.IwasawonderfulexperiencetobeabridgebetweentheancientandthemodernOlympicGames.LongmaytheOlympiccontinue!Iamalwayshappywhennewcou18InformationontheancientOlympicGamesOpeningoftheOlympicGamesCompetitorsAthletesofferedpresentstotheGodZeus;theyprayedhimtohelpthemwin.TheycamefromallthelargetownsofGreece.ReadingtaskInformationontheancientOly19TheirhometownsTrainingplansPartsofGreece,AthensandSpartaPractiseformanyhours,doalotofexercisetothesoundofmusicTheirhometownsTrainingplansP20RewardsAproblemHowitwassolvedManypresents:freemealsandnomoneyproblemsaswellassongsabouthimWomencouldnotbetrainerseveniftheyhadtheknowledgeandabilityTheylethergo,butdecidetopassalawthatalltrainersmustbemen.RewardsAproblemHowitwasso21Situation:Supposeyouareacoach,andyouarecoachingastudenttoprepareforacomingcompetition.Hehaspractisedforsomedays.Youneedtowriteareporttotellhimwhatheneedstopractisetoimprovefurther.WritingtaskSituation:Writingtask22Nowtalkabouttheformanddiscussthemwithyourpartners.Nowtalkabouttheformanddi23InformationReportontrainingforthethree-eventcompetitionNameZhaoLiyuanAge15yearsInformationReportontraining24SportschosenRunning,longjump,tabletennisFirstsportGoodpointsBadpointsRunningThespeedisOKatfirst.Hisfastspeedcan’tlastlong.SportschosenRunning,longjum25InformationReportontrainingforthethree-eventcompetitionSecondsportGoodpointsBadpointsLongjumpHehasmasteredthebasicskillsandcanjumplong.Hecan’tstandsteadily.InformationReportontraining26ThirdsportGoodpointsBadpointsTabletennisHeisskilledindealingwithunexpectedsituation.Sometimesheistoonervous.ThirdsportTabletennis27GeneralopinionHeisgoodattabletennis,butforrunningandlongjump,there’smuchtobeimproved.GeneralopinionHeisgoodatt28ZhaoLiyuan,15ye