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英语六级考试阅读题型练习2017年英语六级考试阅读精选题型练习usuallynotrunhairhealthmeters,accountingforitishardtocarryononehundredmeterssprint.以下是小编为大家搜索整理的2017年英语六级考试阅读精选题型练习，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!DefinitionsofObesityA:Howdoesonedefinewhenapersonisconsideredtobeobeseandnotjustsomewhatoverweight?Height-weighttablesgiveanapproximateguidelineastowhetheroneissimplyoverweightorhaspassedintotheobesestage.B:TheWorldHealthOrganizationrecommendsusingaformulathattakesintoaccountaperson'sheightandweight.The"BodyMassIndex"(BMI)iscalculatedbydividingtheperson'sweightinkilogramsbythesquareoftheirheightinmeters,andisthusgiveninunitsofkg/m2.ABMIof18.5-24.9isconsideredtobethehealthiest.ABMIofbetween25and29.9isconsideredtobeoverweight,whileaBMIofover30isconsideredtobeobese.C:However,itisrecognizedthatthisdefinitionislimitedasitdoesnottakeintoaccountsuchvariablesasage,genderandethnicorigin,thelatterbeingimportantasdifferentethnicgroupshaveverydifferentfatdistributions.Anothershortcomingisthatitisnotapplicabletocertainverymuscularpeoplesuchasathletesandbodybuilders,whocanalsohaveartificiallyhighBMIs.AgenciessuchastheNationalCholesterolEducationProgram(NCEP)intheUSAandtheInternationalDiabetesFoundation(IDF)arestartingtodefineobesityinadultssimplyintermsofwaistcircumference.HealthEffectsofObesityD:Over2000yearsago,theGreekphysicianHippocrateswrotethat"personswhoarenaturallyveryfatareapttodieearlierthanthosewhoareslender".Thisobservationremainsverytruetoday.Obesityhasamajorimpactonaperson'sphysical,socialandemotionalwell-being.Itincreasestheriskofdevelopingdiabetesmellitustype2("matureonsetdiabetes")andalsomakesType2diabetesmoredifficulttocontrol.Thusweightlossimprovesthelevelsofbloodglucoseandbloodfats,andreducesbloodpressure.Theassociationbetweenobesityandcoronaryheartdiseaseisalsowell-known.CancerE:Furthermore,in2001medicalresearchersestablishedalinkbetweenbeingoverweightandcertainformsofcancer,andestimatedthatnearly10,000Britonsperyeardevelopcancera
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