大学英语六级长篇阅读测试题.docx

大学英语六级长篇阅读测试题

英语六级考试考察的内容较多，掌握不住考点，花很多时间和精力就没有什么用。下面梳理了大学英语六级长篇阅读测试题，供大家参考借鉴。DefinitionsofObesityA:Howdoesonedefinewhenapersonisconsideredtobeobeseandnotjustsomewhatoverweight?Height-weighttablesgiveanapproximateguidelineastowhetheroneissimplyoverweightorhaspassedintotheobesestage.B:TheWorldHealthOrganizationrecommendsusingaformulathattakesintoaccountaperson'sheightandweight.The"BodyMassIndex"(BMI)iscalculatedbypidingtheperson'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,andestimatedthatnearly10,000Britonsperyeardevelopcancerasaresultofbeingoverweight.Thisfigurewasmadeupof5,893womenand3,220men,withthestrongestassociationsbeingwithbreastandcoloncancers.However,itisthoughtthatbeingo