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TOEFL:10070008000?100100,10070001.TypicalofthegrasslanddwellersofthecontinentistheAmericanantelope,orpronghorn.1.,,2.OfthemillionswhosawHaleyscometin1986,howmanypeoplewilllivelongenoughtoseeitreturninthetwenty-firstcentury.2.1986,?3.Anthropologistshavediscoveredthatfear,happiness,sadness,andsurpriseareuniversallyreflectedinfacialexpressions.3.,,,,4.Becauseofitsirritatingeffectonhumans,theuseofphenolasageneralantiseptichasbeenlargelydiscontinued.4.,5.Ingrouptoremaininexistence,aprofit-makingorganizationmust,inthelongrun,producesomethingconsumersconsiderusefulordesirable.5.,6.Thegreaterthepopulationthereisinalocality,thegreatertheneedthereisforwater,transportation,anddisposalofrefuse.6.,,7.Itismoredifficulttowritesimply,directly,andeffectivelythantoemployflowerybutvagueexpressionsthatonlyobscureonesmeaning.7.,,,8.Withmodernofficesbecomingmoremechanized,designersareattemptingtopersonalizethemwithwarmer,lesssevereinteriors.8.,9.Thedifferencebetweenlibelandslanderisthatlibelisprintedwhileslanderisspoken.9.,10.Thekneeisthejointswherethethighbonemeetsthelargeboneofthelowerleg.10.11.Acidsarechemicalcompoundsthat,inwatersolution,haveasharptaste,acorrosiveactiononmetals,andtheabilitytoturncertainbluevegetabledyesred.11.,,12.BillieHolidaysreputationasagreatjazz-bluessingerrestsonherabilitytogiveemotionaldepthtohersongs.12.BillieHoliday13.Essentially,atheoryisanabstract,symbolicrepresentationofwhatisconceivedtobereality.13.14.Longbeforechildrenareabletospeakorunderstandalanguage,theycommunicatethroughfacialexpressionsandbymakingnoises.14.,15.Thankstomodernirrigation,cropsnowgrowabundantlyinareaswhereoncenothingbutcactiandsagebrushcouldlive.15.(,16.Thedevelopmentofmechanicaltimepiecesspurredthesearchformoreaccuratesundialswithwhichtoregulatethem.16.,17.Anthropologyisascienceinthatanthropologistsusearigoroussetofmethodsandtechniquestodocumentobservationsthatcanbecheckedbyothers.17.,,18.Fungiareimportantintheprocessofdecay,whichreturnsingredientstothesoil,enhancessoilfertility,anddecomposesanimaldebris.18.,,,19.Whenitisstruck,atuningforkproducesanalmostpuretone,retainingitspitchoveralongperiodoftime.19.,,20.AlthoughpecansaremostplentifulinthesoutheasternpartoftheUnitedStates,theyarefoundasfarnorthasOhioandIllinois.20.21.Eliminatingproblemsbytransferringtheblametoothersisoftencalledscape-goating.21.22.Thechieffoodseateninanycountrydependlargelyonwhatgrowsbestinitsclimateandsoil.22.,23.Overaverylargenumberoftrials,theprobabilityofaneventsoccurringisequaltotheprobabilitythatitwillnotoccur.23.,24.Mostsubstancecontractwhentheyfreezesothatthedensityofasubstancessolidishigherthanthedensityofitsliquid.24.,25.Themechanismbywhichbraincellsstorememoriesisnotclearlyunderstood.25.