高中英语Unit1TheLandofDiversity课件人教版选修8

Unit1ALandofDiversityHowmuchdoyouknowaboutAmerica?SanFranciscoLosAngelesHoustonBostonBostonNewYorkNewYorkWashington,D.CWashington,D.CRockyMountainsMexicoChicagoCanadaAtlanticOceanPacificOceantheMississippiSuperiorMichiganErieHuronOntarioPleasetellthenamesofthefivelakesIthasanareaof411.ooosquarekilometers.AnditisoneoftheAmericanstatesofthelargestpopulation,withthemostdevelopedeconomy.Lookatthepi...