关于外星人的英语.ppt

文档介绍：Alien1OutlineEarthandspaceMoviesofthealienHumanandalien2Isearththeonlyhomeoflife?34Whatwehavedone?5Arecibomessage(1974)IamArecibo61~10Hydrogen(H2)、Carbon(C)、Nitrogen(N2)、Oxygen(O2)、Phosphorus(P)DNA(5numebersforeachpart)DNA’sstructureArecibomessage(1974)HumanbeingsSolarsystemArecibo7InformationsenttospaceHumancalculationOzonelayerBirth8"Area51",,:37°14′06″N115°48′40″WUFOareflyingobjectscreatedbyusReally?,