托福听力背景文章有哪些

备战托福听力练习是不可少的，当然也要把握技巧和方法。今天yjbys网小编为大家整理托福听力背景文章盘点，希望对大家有所帮助!

1.文科段子：艺术类音乐

Itmayseemstrangethatwe'rediscussingmusicfromaBroadwayproductioninthisclass,"TheLionKing"especially,sinceit'sbasedonapopularHollywoodmovie.ImeanmusicpreformedforBroadwaytheaterintheheartofNewYorkcitysurelywouldseemtobeinthewesterntraditionofpopularmusicandnothavemuchinmonwiththemusicwehavebeenstudyinginthiscourse,suchasgamelanmusicofIndonesia,orZuluchantsofSouthAfrica,musicthatdevelopedoutsidethewesterntraditionofEuropeandAmerica.Butinfact,musicianshavealong-standingtraditionofborrowingfrontoneanother'scultures.Andthisproduction'sdirectorintentionallyincludedbothwesternandnon-westernmusic.Thatway,someoftherhythms,instrument,andharmoniestypicalofnon-westernmusiccontrastwithandplementpopularmusicmorefamiliartoaudiencesinNorthAmericaandEurope,musiclikerock,jazzorBroadwaystyleshowtunes.SoIwanttospendtherestofthisclassandmostofthenextoneonthemusicfromtheshow"TheLionKing"asawayofsummarizingsomeofthetechnicaldistinctionsbetweentypicalwesternmusicandthenon-westernmusicthatwe'vebeenstudying.NowtheAfricaninfluenceonthemusicisclear.ThestorytakesplaceinAfrica.SothedirectorgotaSouthAfricanposertowritesongswithadistinctlyAfricansound.AndthesongsevenincludewordsfromAfricanlanguages.Butwe'llgetbacktotheAfricaninfluencelater.Firstlet'sturntothemusicthatwaswrittenfortheshadowpuppetscenesin"TheLionKing",musicbasedontheIndonesianmusicusedintheshadowpuppettheaterofthatregion

2.理科段子：天文学

Inancienttimes,manypeoplebelievedtheearthwasaflatdisc.Wellover2,000yearsago;theancientGreekphilosopherswereabletoputforwardtwogoodargumentsprovingthatitwasnot.Directobservationsofheavenlybodieswerethebasisofboththesearguments.First,theGreeksknewthatduringeclipsesofthemoontheearthwasbetweenthesunandthemoon,andtheysawthatduringtheseeclipses,theearth'sshadowonthemoonwasalwaysround,theyrealizedthatthiscouldbetrueonlyiftheearthwasspherical,Ittheearthwasaflatdisc,thenitsshadowduringeclipseswouldnotbeaprefectcircle;itwouldbestretchedoutintoalongellipse.ThesecondargumentwasbasedonwhattheGreekssawduringtheirtravels.TheynoticedthattheNorthStar,orPolaris,appearedlowerintheskywhentheytraveledsouth,inthemorenortherlyregions,theNorthStarappearedtothemtobemuchhigherinthesky.Bytheway,itwasalsofromthisdifferenceintheapparentpositionoftheNorthStarthattheGreeksfirstcalculatedtheapproximatedistancearoundthecircumferenceoftheearth,afigurerecordedinancientdocumentssays400.000stadium,that'sthepluraloftheworldstadium.Today,it'snotknownexactlywhatlengthonestadiumrepresents,butlet'ssayitwasabout200meters,thelengthofmanyathleticstadiums.ThiswouldmaketheGreek'sestimateabouttwicethefigureacceptedtoday,averygoodestimateforthosewritingsolongbeforeeventhefirsttelescopewasinvented.

3.文科段子：文学名着

Continuingoursurveyofthe19thcentury,let'stakealooknowatHarrietBeecherStowe.NowStoweisbestknownforhernovelUncleTom'sCabin,abookthatdetailstheharshnessofplantationlifeinthesouth.ThebookwasextremelypopularintheUnitedStatesaswellasinothercountries.Ironicallythough,foralltheattentiongiventoUncleTom'sCabin,it'sfarfromStowe'sbestwork.Shedidwriteoneothernovelaboutlifeinthesouth,butmuchofherbestworkhasnothingwiththesouthatall.Infact,Stowe'sbestwritingisaboutvillagelifeintheNewEngland'sstatesinthe19thcentury.Inrecordingtothecustomsofthevillagesshewroteabout,Stoweclaimedthatherpurposewastoreflecttheimagesasrealisticallyaspossible.Sheusuallysucceeded,forhersettingswereoftendescribedaccuratelyandindetail.Inthissense,shewasanimportantforerunnertotherealisticmovementthatbecamepopularlaterinthe19thcentury.Shewasoneofthefirstwriterstouselocaldialectforhercharacterswhentheyspoke.Andshedidthisfor30yearsbeforeMarkTwainpopularizedtheuseoflocaldialect.ItmakessensethatStowewouldwriteaboutNewEnglandlife,sinceshewasborninConnecticut.Asayoungwomanthere,sheworkedasateacher.Theteachingjobhelpedleadtoherfirstpublishedwork,ageographybookforchildren.Laterwhenshewasmarried,herwritinghelpedhersupportherfamilyfinancially.Throughoutherlife,shewrotepoems,travelbooks,biographicalsketchesandchildren'sbooks,aswellasnovelsforadults.

4.生活段子：噪音影响

I'mgradtoseesomanyofyouhere.We'vebeereallyalarmedoverthehealthcenterbythenumberofstudentsweareseeing,whoareexperiencinghearingloss.First,Iwanttogooversomebasicabouthearing.Thenwecantakealookatourschoolenvironmentandseeifwecanfigureoutsomewaystoprotecthearing.Theleadingcauseofpreventablehearinglossisexcessivenoise.Toomuchmoderatenoiseforalongtimeorsometypesofintensenoiseforevenashorttimecandamagehearing.Loudnessismeasuredinunitscalleddecibels.Onedecibelisthelowestsoundthattheaveragepersoncanhere.Soundsupto80decibelsgenerallyaren'tharmful.That'snoiseliketrafficonabusystreet.Butanythinglouderthan80decibels,especiallywithcontinuousexposure,mayeventuallyhurtyourhearing.Onceyouareuptoaround140decibels,that'slikeajetplanetakingoff,thenyoumightevenfeelpaininyourears.Andpainsaresuresignthatyourhearing'satrisk.Evenoneexposuretoareallyloudnoiseatcloserangecancausehearingloss.Sowhatyouneedtodoislimityourexposuretoharmfullevels.Ifyoupassalongthishandout,wecantakealookatthedecibellevelofsomemoncampussounds.Noticehowloudthosehornsarethatpeopletaketofootballgames.Theyarereallydangerousifblownrightbehindyou.Now,let'strytogeneratealistofdamagingnoises

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