大学英语六级改革适用(阅读)模拟试卷22(题后含答案及解析).pdf

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大学英语六级改革适用（阅读）模拟试卷22(题后含答案及解析)

题型有：4.ReadingComprehension

PartIIIReadingComprehension

SectionB

GrayingPopulationStaysinthePinkA)Elderlypeoplearegrowinghealthier,

happierandmoreindependent,sayAmericanscientists.Theresultsofa14-yearstudy

tobeannouncedlaterthismonthrevealthatthediseasesassociatedwitholdageare

afflictingfewerandfewerpeopleandwhentheydostrike,itismuchlaterinlife.B)In

thelast14years,theNationalLong-termHealthCareSurveyhasgathereddataonthe

healthandlifestylesofmorethan20,000menandwomenover65.Researchers,now

analysingtheresultsofdatagatheredin1994,sayarthritis,highbloodpressureand

circulationproblems—themajormedicalcomplaintsinthisagegrouparetroublinga

smallerproportioneveryyear.Andthedataconfirmsthattherateatwhichthese

diseasesaredecliningcontinuestoaccelerate.Otherdiseasesofoldage—dementia,

stroke,arteriosclerosisandemphysema—arealsotroublingfewerandfewer

people.C)”Itreallyraisesthequestionofwhatshouldheconsiderednormalageing”,

saysKennethManton,ademographerfromDukeUniversityinNorthCarolina.He

saystheproblemsdoctorsacceptedasnormalina65-year-oldin1982areoftennot

appearinguntilpeopleare70or75.D)Clearly,certaindiseasesarebeatingaretreatin

thefaceofmedicaladvances.Buttheremaybeothercontributingfactors.

Improvementsinchildhoodnutritioninthefirstquarterofthetwentiethcentury,for

example,gavetoday’selderlypeopleabetterstartinlifethantheirpredecessors.E)On

thedownside,thedataalsorevealsfailuresinpublichealththathavecausedsurgesin

someillnesses.Anincreaseinsomecancersandbronchitismayreflectchanging

smokinghabitsandpoorerairquality,saytheresearchers.“Thesemay

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