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1、专业英语四级阅读模拟题28READINGCOMPREHENSIONTEXTARacket,din,clamor,ornoise.Whateveryouwanttocallit,unwantedsoundisAmericafsmostwidespreadnuisance.Butnoiseismorethanjustanuisance.Itconstitutesarealandpresentdangertopeople1shealth.Dayandnight,athome,atwork,andatplay,noisecanpr
2、oduceseriousphysicalandpsychologicalstress.Nooneisimmunetothisstress.Thoughweseemtoadjusttonoisebyignoringit,theear,infact,neverclosesandthebodystillresponds—sometimeswithextremetension,astoastrangesoundinthenight.Theannoyancewefeelwhenfacedwithnoiseisthemostcommo
3、noutwardsymptomofthestressbuildingupinsideus•Indeed,becauseirritabilityissoapparent,legislatorshavemadepublicannoyancethebasisofmanynoisereductionprograms•Themoresubtleandmoreserioushealthhazardsassociatedwithstresscausedbynoisetraditionallyhavebeengivenmuchlessat
4、tention.Nonetheless,whenweareannoyedormadeirritablebynoise,weshouldconsiderthesesymptomsfairwarningthatotherthingsmaybehappeningtous,someofwhichmaybedamagingtoourhealth.Ofthemanyhealthhazardsrelatedtonoise,hearinglossisthemostclearlyobservableandmeasurablebyhealth
5、professionals・Theotherhazardsarehardertopindown.Formanyofus,theremaybeariskthatexposuretothestressofnoiseincreasessusceptibilitytodiseaseandinfection.Themoresusceptibleamongusmayexperiencenoiseasacomplicatingfactorinheartproblemsandotherdiseases.Noisethatcausesann
6、oyanceandirritabilityinhealthypersonsmayhaveseriousconsequencesforthesealreadyillinmindorbody•Noiseaffectsusthroughoutourlives.Forexample,thereareindicationsofeffectsontheunbornchildrenwhenmothersareexposedtoindustrialandenvironmentalnoise.Duringinfancyandchildhoo
7、d,youngstersexposedtohighnoiselevelsmayhavetroublefallingasleepandobtainingnecessaryamountsofrest•Why,then,istherenotgreateralarmaboutthesedangers?Perhapsitisbecausethelinkbetweennoiseandmanydisabilitiesordiseaseshasnotyetbeenconclusivelydemonstrated.Perhapsitisbe
8、causewetendtodismissannoyanceasapricetopayforlivinginthemodernworld.Itmayalsobebecausewestillthinkofhearinglossasonlyanoccupationhazard•Atthebeginningof