英语翻译Itishardnottogetthemessage.Thevirtuesofphysicalfitnessareshownonmagazinecovers,postagestamps,andtelevisionadsforeverythingfrombeautysoapstotravelbooks.Exerciseasapartofdailylifedidnotcatchonuntilthe

　　英语翻译

　　Itishardnottogetthemessage.Thevirtuesofphysicalfitnessareshownonmagazinecovers,postagestamps,andtelevisionadsforeverythingfrombeautysoapstotravelbooks.Exerciseasapartofdailylifedidnotcatchonuntilthelate1960swhenresearchbymilitarydoctorsbegantoshowthehealthbenefitsofdoingregularphysicalexercises.（Growingpublicity(宣传)forracesheldinAmericancitieshelpedfuelastronginterestintheancientsportofrunning.）

　　AlthoughrunninghasleveledoffinrecentyearsasAmericanshavediscoveredequallyrewarding-andsometimessafer-formsofexercise,suchaswalkingandswimming,runningremainsthemostpopularformofexercise.

　　1.不用全翻译,就是翻译（）中这句.前后我是给语境你参考.主要是races,指比赛还是种族运动?fuelastronginterest

　　2.Agrowinginterestinsportsdevelopedafter（）.

　　A)researchshowedtheirhealthbenefits

　　D)anincreasingnumberofraceswereheldinAmericancities

　　我想知道D怎么不对