专业英语八级(阅读)练习试卷20(题后含答案及解析).pdf

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专业英语八级（阅读）练习试卷20(题后含答案及解析)

题型有：2.READINGCOMPREHENSION

PARTIIREADINGCOMPREHENSION(30MIN)Directions:Inthis

sectiontherearefourreadingpassagesfollowedbyatotalof20multiple-choice

questions.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshould

decideonthebestchoice.

Lately,everybodyfromindustrialdesignerstocityplannersclaimstobe

lookingafterouraestheticinterests,andthereisampleanecdotalevidencethat,onthe

margin,peopledoputahigherpremiumonthelookandfeelofthingsthantheyonce

did.Thatistobeexpectedassocietygrowsricher.Butaestheticsisnottheonlyvalue

--trade-offsmustbemade--andaestheticvalueishardtomeasure.Whatis“it,”after

all?Aestheticsdoesn’tcomeinneatunitslikemicroprocessorspeed,calories,ortons

ofsteel.Styleisqualitative.Thevalueofqualitativeimprovementsposestricky

problemsforeconomists.Itisamajorchallengetoteaseouthowmuchconsumers

valueeachindividualattributethatcomesbundledinagivengoodorservice.Ifyou

pay$2.99foratoothbrush,howmuchofthatisforthecleaningability?Howmuch

forthefeelofthehandle?Howmuchforthedurability?Howmuchforthepackaging?

Howmuchfortheconvenientdistributiontoyourcomerdrugstore?Howmuchfor

thecolor?Economistsusestatisticaltechniquescalledhedonicpricing“”totry

toseparatetheimplicitpricesofvariouscharacteristics.Essentially,theylookathow

pricesgoupordownasfeaturesareaddedorsubtractedandtrytofigureouthow

consumersvaluetheindividualfeatures.Howmuchwillconsumerspayforanextra

megahertzofcomputingspeed,forinstance?Noteverycharacteristicisaseasily

measuredasmegahertz.Thetrickierthemeasurement,the

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