2017职称英语卫生C级考试押题：阅读理解练习

2017职称英语卫生C级考试押题：阅读理解练习(3)ExerciseLowersEmployers'HealthCostsCompaniescansavemillionsinhealth-carecostssimplybyencouragingtheiremployeestoexercisealittlebit,researchersreportedonFriday.Theysaidobese(肥胖的)employeeshadhigherhealth-carecosts,butloweredthoseexpensesbyexercisingjustacoupleoftimesaweekMwithoutevenlosinganyweight.FeifeiWangandcolleaguesattheUniversityofMichiganstudied23,500.workersatGeneralMotors.Theyestimatedthatgettingthemostsedentary(惯于久坐的)obeseworkerstoexercisewouldhavesavedabout$790,000ayear,orabout1.5percentofhealth-carecostsforthewholegroup.Company-wide,thepotentialsavingscouldreach$7.1millionperyear,theyreportedintheJournalofOccupationalandEnvironmentalMedicine.Ofthewholegroupofworkers,about30percentwereofnormalweight,45percentwereoverweight(超重的),and25percentwereobese.Annualhealth-carecostsaveraged$2,200fornormalweight,$2,400fortheoverweight,and$2,700forobeseemployees.Butamongworkerswhodidnoexercise,health-carecostswentupbyatleast$100ayear,andwere$3,000ayearforobeseemployeeswhoweresedentary.Butaddingtwoormoredaysoflightexercise——atleast20minutesofexerciseorworkhardenoughtoincreaseheartrateandbreathing——loweredcostsbyonaverage$500peremployeeayear,theresearchersfound."Thisindicatesthatphysicalactivitybehaviorcouldreduceatleastsomeoftheharmfuleffectsofexcessbodyfat,andinconsequence,helplowerthehealth-carecosts,"Wangandcolleagueswrote.11Howcanemployeeshelplowerthehealth-carecosts?ABytakingmorerest.BByeatingless.CByexercisingalittlebit,DBysavingmoremoney.12ByencouragingitsemployeestoexerciseGeneralMotorscouldsaveA$790,000peryear.B$7.1millionperyear.C$3,000peryear.D$7,300peryear.13HowmanyworkersinGeneralMotorswereNOTofnormalweight?ASeventypercent.BThirtypercent.CForty-fivepercent.DTwenty-fivepercent.14Forwhichgroupoftheworkerswerethehealth-carecoststhehighest?ATheemployeesofnormalweight.BTheoverweightemployees.CTheobeseemployees.DThesedentaryobeseemployees.15Howoftenshouldtheemployeesexercisetohelplowerthehealth-carecosts?AAtleastsevenday