2015年在职联考英语阅读理解练习及答案(1)

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1、2015年在职联考英语阅读理解练习及答案(1)Everyyeartelevisionstationsreceivehundredsofcomplaintsabouttheloudnessofadvertisements.However,federalrulesforbidthepracticeofmakingadslouderthantheprogramming.Inaddition,televisionstationsalwaysoperateatthehighestsoundlevelallowedforrea

2、sonsofefficiency.AccordingtooneNBCexecutive,nodifferenceexistsinthepeaksoundlevelofadsprogramming.Giventhisinformation,whydocommercialssoundsoloud?Thesensationofsoundinvolvesavarietyoffactorsinadditiontoitsspeaklevel.Advertisersareskillfulatcreatingtheimpressi

3、onofloudnessthroughtheirexpertuseofsuchfactors.Onemajorcontributortotheperceivedloudnessofcommercialsisthatmuchlessvariationinsoundleveloccursduringacommercial.Inregularprogrammingtheintensityofsoundvariesoveralargerange.However,soundlevelsincommercialstendtos

4、tayatornearpeaklevels.Other"tricksofthetrade"arealsoused.Becauselow-frequencysoundscanmaskhigherfrequencysounds,advertisersfilteroutanynoisesthatmaydrownouttheprimarymessage.Inaddition,thehumanvoicehasmoreauditory(听觉的)impactinthemiddlefrequencyranges.Advertise

5、rselectronicallyvaryvoicesoundssothattheystaywithinsuchafrequencyband.Anotherapproachistowritethescriptsothatlotsofconsonants(辅音)areused,becausepeoplearemoreawareofconsonantsthanvowel(元音)sounds.Finally,advertiserstrytobegincommercialswithsoundsthatarehighlydif

6、ferentfromthoseoftheprogrammingwithinwhichthecommercialisburied.Becausepeoplebecomeadaptedtothetypeofsoundscomingfromprogramming,adramaticchangeinsoundqualitydrawsviewerattention.Forexample,noticehowmanycommercialsbeginwithacheerfulsongofsometype.Theattention-

7、gettingpropertyofcommercialcanbeseenbyobservingone-to-two-year-oldchildrenwhohappentobeplayingaroundatelevisionset.Theymaytotallyignoretheprogramming.However,whenacommercialcomeson,theirattentionisimmediatelydrawntoitbecauseofitsdramaticsoundquality.1.Accordin

8、gtothepassage,themaximumintensityofsoundcomingfromcommercials.A.doesnotexceedthatofprogramsB.isgreaterthanthatofprogramsC.variesoveralargerangethanthatofprogramsD.islessthanthatofp