视听说听力原文lesson1

1NapoleonToday,I’mgoingtotalktoyouaboutoneofthemostimportanthistoricalfiguresinEuropeanhistory:NapoleonBonaparte.Let’sstartbytalkingabouthisearlylife.Napoleonwasbornin1769ontheislandofCorsica.Whenwasonly10yearsold,hisfathersenthimtomilitaryschoolinFrance.Napoleonwasnotaverygoodstudentinmostofhisclasses,butexcelledinmathematicsandmilitaryWhenhewasyearsold,hejoinedthearmy.Inthatyear1785,hebeganthemilitarycareerthatwouldbringhimfame,power,richesandfinallydefeat.NapoleonbecameageneralintheFrencharmyattheyoungageofNapoleonhadmanyvictoriesonthebattlefieldbuthealsobecameinvolvedinFrenchlawandpolitics.AndinattheageofbecamethefirstoftheFrance.Napoleonwasmanythings.was,firstofall,abrilliantmilitaryleader.Hissoldierswerereadytodieforhim.Asaresult,N.wonmanymilitaryvictories.AtonetimehecontrolledmostofEurope,butsomecountries,includingEngland,Russia,andAustriafoughtfiercelyagainsthim.Hisdefeat“hisend”camewhenhedecidedtoattackRussia.InthismilitarycampaignagainstRussia,helostmostofhisarmy.greatFrenchdiedalone–desertedbyhisfamilyandfriendsinNapoleonwasonlyyearsoldwhenhedied.===========================================================LessonPompeiiisofArichpeoplelargesuchintheininofaontheof79aaveryfamoushistorianwasvisitingunclein’supthesky.sawaItaverydarktheoftheashflewthroughair.ThecityofP.wasofV..towasforto3P.20P.ofanwasuncoveredapartawalltheinmuchthecityofP.wasallto===========================================================4RollerCoasterLet'stalkaboutthephysicsinvolvedinarideonarollercoaster.I'msuremanyofyouhavetakenarideonarollercoaster.Asimplerollercoasterconsistsofaframewithatrackonit.Thetrackisverymuchlikeatraintrack,thistrackgoesoveraseriesofhillsandaroundcurves.Itfollowsapaththatendsatthesameplaceitstarted.Atrainofcarstravelsaroundonthistrack,veryfast.Thecarshavetwosetsofwheels.Onesetofwheelsrollsontopofthetrack,andtheotherssetofwheelsrollsbelowthetrack.wheelsbelowthetrackkeepthefastmovingcarsfromoffthetrack,rollercoastercarsasyouprobablyknowdon'thaveanymotorsorengines.Instead,achainpullstheupthefirst,tallestandsteepystaffhill,thisishowtheridebegins.Then,atthetopofthehillthechaincomesoffthecarsandgravitytakesover.gravitypushesthecarsdowntheothersideofthehill.thetallerandsteeperthefirsthillis,thefastertheridewillbe.Andthefartherthecarswilltravel.asthecarsrolleddownhilltheygainedspeed.thecarshaveenoughspeedandenergytosendthemupthenexthill.asthecarsnearthetopofthesecondhilltheybegintoslowdown.butthen,thecarsreachedthetopofthathill,andstartdowntheotherside.gravityagainpushesthemtowardtheground.thisprocessrepeatsoneachhale.Okay,solet'sgooverthisprocessagain.first,thearepulledbyachainupthefirsthighesthill.thentheydownaverysteepslope,atthispoint,thereisenergytopullthecarsupandoverthenexthill.whentheyreachedthebottomofthathill,thereisenoughenergytoclimbthenexthill,therollercoastercarsloseenergyastheridecontinues.so,thehillshavetosmallertowardtheendofthetrack,finallywerolltoastopongroundlevelrightwherewebegan.========================================================LessonLanguage:HowChildrenAcquireTheirsI’dlietotoaboutistheofchilddevelopment.Iallaretodevelopaforalet’sais:developtheirfirstweaboutdevelopWell,wearetosoontospeakAtfirst,byletstheyareortheoftheirstateofacquisitionaAtthistotheyareagetheytoallworldtoage,alltobythetimetheyaretentheofbackgroundssoundsexample,theofainasoundsofainatoAttheirainan――kiki―Inthewillalotoftheofinthebabyenvironment,orTheywilltothesetoexample,ifaanthenjuice,tohistobe―Daddyor―MayI‖juiceisatheofof18totoakindtotheseis‖theomitalltheAnmightlike‖please.Then,oftoexample,totoasI‖andIMommy.‖tothisexample,bed‖―to‖or―eatedicecreamIateicecream.Inas―walk‖but’theyusethisforalllike―areformsbemistakesarewillsoonlearntothethentolearngrammaticalintheway.to’sallovertheworldlearnandisalltheyourearlyoflife?aboutaitor―papa‖?aboutasafirstinIit―‖oftheinofchild’lltalkaboutsomesimilaritiesinfirstSeeLessonRobotsthinkaoftenaslikeaHowever,’snotthestdolikeaatall,looklikenesthat’swhatofToday,I’mtotalkinforveryininaForexample,amightlizjorInaassemblyabcar’swheelsorTherepcarsinareveryaexample,alwayswithmoveenginetowhereitalwaysintheineverydthesthetheitsaasthemechanicalolofaisofSoalearntoofitstodothatAitstheofabToantofirstapersonusecomputer.istorobotarmathroughtheittotheinitstosothewillitstoitstellsitstoittheexample,topickupafirsttheitweightofitistolifttheitthetotheItanduntilit'sturnedItstheitisjobtoswillthanlikeorevenlike.Intheylikewe'vebeenareautomaticareastheytowaoftheyttravelancanintoitsexample,anwithtocandirecitinitsAsuchItcantointoit.cantobyfollowiofanexttoIwouldlikeIguwewillonlyaboutintheWetoaboutwewillinteractourpet,evenLessonATidalWaveAtidalisaverywallofwaterintowardscallIntsunami“stormtidalarecausedandtheytruetidalatall?AtidalisaofattimesatidalinandAtidaliscausedby“seaquake”istheword”“To”shake“to”atakesattheoftheItisthisproducestidalseaatlivesincanatidalwillhitaseismographAseismographisanthetimeearthquakeItistoatidalwave,itistothatatidalisThiswarningsaveLesson9LevelsofLanguageItolevelsexpressinisAlltwobroadorlevelsalevel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