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2019-2020年高中英语Unit3Traveljournal课时作业新人教版必修HowcanyoutravelaroundtheworldwithouteverleavingtheearthssurfaceFormanyofus,itsoundslikeanimpossiblemission任务,butaneco-friendlyBritishcouplehasdonejustthat.Theyhavetravelledaroundtheworldfor297dayswithoutgettingonasingleplane.“Itfeelslikeahistoricachievement,followinginthefootstepsofgreattravellersbeforetheplanewasinvented,”saidthecouple.TomFewins,32,andLaraLockwood,30,used78buses,61trains,34cars,18boats,sixbicycles,twomopeds电动自行车andoneelephant.Theywantedtoprovethattouristscanseetheworldwithoutproducingalargecarbonfootprint碳足迹.Sotheyspent10monthstravelling44,609milesthrough18countriesonlandandseA.Theybelievedthattheyusedlessthan3,000kgofcarbondioxide二氧化碳,paredwithsixtimesthatamountiftheyhadusedplanes.“Weprovedyoucanstillbewelltravelledwithoutdamagingtheenvironment,”saidFewins.Thepair,whoretur...。