1.WashingtonGoodmorning,everyone.I'dliketowelcomeyoutoWashington,D.C.TourUSAisgoingtotakeyouaroundthenation'scapitalthismorning.I'mMarthaAndersenandI'llbeyourguide.Thetourwilltaketwohours,sowewillbebackaboutnoon.WearestartingattheCapitalBuilding.Thesenators(参议院议员)andrepresentatives(众议院议员)vote(投票选举)onlaws(法律)forthecountry.Andthereacrossthestreetisthe
