快速阅读匹配题练习

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1、快速阅读匹配题练习Task1Directions: Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarked

2、withaletter.DefinitionsofObesityA)Howdoesonedefinewhenapersonisconsideredtobeobeseandnotjustsomewhatoverweight?Height-weighttablesgivean approximate guidelineastowhetheroneissimplyoverweightorhaspassedintotheobesestage.B)TheWorldHealthOrganizationrecommendsusing

3、a formula thattakesintoaccountaperson'sheightandweight.The"BodyMassIndex"(BMI)iscalculatedbydividingtheperson'sweightinkilogramsbythesquareoftheirheightinmeters,andisthusgiveninunitsofkg/m2.ABMIof18.5-24.9isconsideredtobethehealthiest.ABMIofbetween25and29.9iscon

4、sideredtobeoverweight,whileaBMIofover30isconsideredtobeobese.C)However,itisrecognizedthatthisdefinitionislimitedasitdoesnottakeintoaccountsuchvariablesasage,genderandethnicorigin,thelatterbeingimportantasdifferentethnicgroupshaveverydifferentfatdistributions.Ano

5、thershortcomingisthatitisnotapplicabletocertainverymuscularpeoplesuchasathletesandbodybuilders,whocanalsohaveartificiallyhighBMIs.AgenciessuchastheNationalCholesterolEducationProgram(NCEP)intheUSAandtheInternationalDiabetesFoundation(IDF)arestartingtodefineobesi

6、tyinadultssimplyintermsof waist circumference.HealthEffectsofObesityD)Over2000yearsago,theGreekphysicianHippocrateswrotethat"personswhoarenaturallyveryfatareapttodieearlierthanthosewhoareslender".Thisobservationremainsverytruetoday.Obesityhasamajorimpactonaperso

7、n'sphysical,socialandemotionalwell-being.Itincreasestheriskofdevelopingdiabetesmellitustype2("matureonsetdiabetes")andalsomakesType2diabetesmoredifficulttocontrol.Thusweightlossimprovesthelevelsofbloodglucoseandbloodfats,andreducesbloodpressure.Theassociationbet

8、weenobesityandcoronaryheartdiseaseisalsowell-known.CancerE)Furthermore,in2001medicalresearchersestablishedalinkbetweenbeingoverweightandcertainformsofcancer,andestima