Unit1AlandofdiversityWarmingUpalandofdifferentculturesapowerfulcountryWhatdoyouthinkofwhenyoureadtheunittitle?Whichcountrydoyouthinkthetitlerefersto?Howmuchdoyouknowaboutit?•Whatwillcometoyourmindwhenyouhear“USA”?FreetalkFreetalkCanyouguessit?Itisaveryyoungcountryintheworld,whichhasonlyahistoryof200~300years.ThereisaStatueofLibertyintheeastcoast.Itisabout46metershigh.TheheadofficeoftheUNwass...
