【谁会这道题:阅读理解.阅读理解.Americaisacountryonthemove.Inunheardofnumber,peopleofallagesareexercisingtheirwaytobetterhealth.Accordingtothelatestfigures,59percentofAmericanadultsexerciseregularly-】
谁会这道题:阅读理解.
阅读理解. Americaisacountryonthemove.Inunheardofnumber,peopleofallagesareexercisingtheirwayto
betterhealth.Accordingtothelatestfigures,59percentofAmericanadultsexerciseregularly-up12percent
fromjusttwoyearsagoandmorethandoublethefigureof25yearsago.Evennon-exercisersbelievethey
wouldbemoreattractiveandconfidentiftheyweremoreattractive.
Itishardnottogetthemessage.Theadvantageofphysicalfitnessareshownonmagazinecovers,postage
stamps,andtelevisionadsforeverythingfrombeautysoapstotravelbooks.Exerciseasapartofdailylifedid
notcatchonuntilthe1960swhenresearchbymilitarydoctorsbegantoshowthehealthbenefitsofdoing
regularphysicalexercises.GrowingpublicityforracesheldinAmericancitieshelpedincreaseastronginterest
intheancientsportofrunning.AlthoughrunninghasleveledoffinrecentyearsasAmericanshavediscovered
equallyrewarding-andsomethingsafer-formsofexercise,suchaswalkingandswimming,runningremainsthe
mostpopularformofexercise.
Asthepopularityofexercisecontinuestoincrease,sodoesscientificevidenceofitshealthbenefits.The
keytofitnessisexercisingthemajormusclegroupstronglyenoughtodoubletheheartrateandkeepitdoubled
for20to30minutesatatime.Doingsuchphysicalexercisesthreetimesormoreaweekwillproduce
considerableimprovementsinphysicalhealthinaboutthreemonths.1.Accordingtothepassage,whatwasthepercentageofAmericanadultsdoingregularphysicalexercises
twoyearsago?[ ]A.About70%
B.Nearly60%
C.Morethan12%
D.Almost50%2.Sportsindailylifebegantobecomepopularas_____.[ ]A.peoplegotthemessagefrommagazinecoversandpostagestamps
B.ScientificevidenceofhealthbenefitswasshownonTVads
C.researchshowedtheirhealthbenefits
D.anincreasingnumberofrac