PARTVREADINGCOMPREHENSION Inthissectiontherearefourpassagesfollowedbyquestionsorunfinishedstatements,eachwithfoursuggestedanswersmarkedA,B,CandD.Choosetheonethatyouthinkisthebestanswer. TEXTA Racket,dinclamor,noise,whateveryouwanttocallit,unwantedsoundisAmerica'smostwidespread nuisance.Butnoiseismorethanjustanuisance.Itconstitutesarealandpresentdangertopeople'shealth.Day andnight,athome,atwork,andatplay,noisecanproduceseriousphysicalandpsychologicalstress.Nooneis immunetothisstress.Thoughweseemtoadjusttonoisebyignoringit,theear,infact,neverclosesandthe bodystillresponds—sometimeswithextremetension,astoastrangesoundinthenight. Theannoyancewefeelwhenfacedwithnoiseisthemostcommonoutwardsymptomofthestressbuilding upinsideus.Indeed,becauseirritabilityissoapparent,legislatorshavemadepublicannoyancethebasisof manynoiseabatementprograms.Themoresubtleandmoreserioushealthhazardsassociatedwithstress causedbynoisetraditionallyhavebeengivenmuchlessattention.Nevertheless,whenweareannoyedormade irritablebynoise,weshouldconsiderthesesymptomsfairwarningthatotherthingmaybehappeningtous, someofwhichmaybedamagingtoourhealth. Ofmanyhealthhazardstonoise,hearinglossisthemostclearlyobservableandmeasurablebyhealth professionals.Theotherhazardsarehardertopindown.Formanyofus,theremaybeariskthatexposuretothe stressofnoiseincreasessusceptibilitytodiseaseandinfection.Themoresusceptibleamongusmayexperience noiseasacomplicatingfactorinheartproblemsandotherdiseases.Noisethatcausesannoyanceandirritability inhealthpersonsmayhaveseriousconsequencesforthesealreadyillinmindorbody. Noiseaffectsusthroughoutourlives.Forexample,thereareindicationsofeffectsontheunbornchildwhen mothersareexposedtoindustrialandenvironmentalnoise.Duringinfancyandchildhood,youngstersexposed tohighnoiselevelsmayhavetroublefallingasleepandobtainingnecessaryamountsofrest. Why,then,istherenotgreateralarmaboutthesedangers?Perhapsitisbecausethelinkbetweennoiseand manydisabilitiesordiseaseshasnotyetbeenconclusivelydemonstrated.Perhapsitisbecausewetendto dismissannoyanceasapricetopayforlivinginthemodernworld.Itmayalsobebecausewestillthinkof hearinglossasonlyanoccupationalhazard. 1.InParagraph1,thephrase"immuneto"areusedtomean___. A.unaffectedby B.hurtby C.unlikelytobeseenby D.unknownby 2.Theauthor'sattitudetowardnoisewouldbestbedescribedas___. A.unrealistic B.traditional C.concerned D.hysterical 3.Whichofthefollowingbeststatesthemainideaofthepassage? A.Noiseisamajorproblem;mostpeoplerecognizeitsimportance. B.Althoughnoisecanbeannoying,itisnotamajorproblem. C.Noiseisamajorproblemandhasnotyetbeenrecognizedassuch. D.Noiseisamajorproblemaboutwhichnothingcanbedone. 4.Theauthorcondemnsnoiseessentiallybecauseit___. A.isagainstthelaw B.canmakesomepeopleirritable C.isanuisance D.inagangertopeople'shealth 5.Theauthorwouldprobablyconsiderresearchabouttheeffectsnoisehasonpeopletobe___. A.unimportant B.impossible. C.awasteofmoney D.essential