不知大家有没有上台演讲过?以下是小编给大家带来上台演讲的振奋英语演讲稿范文，欢迎大家参考借鉴! 英语演讲稿1 i am very glad to stand here to give thier a short my topic is that the youth are the future of motherlandso w
istartedmyjourneyincaliforniawithaucberkley30-year
longitudinalstudythatexaminedthephotosofstudentsinanoldyearbookandtriedtomeasuretheirsuccessandwell-beingthroughouttheirlife.bymeasuringtheirstudentsmiles,researcherswereabletopredicthowfulfillingandlong-lastingasubjectsmarriagewillbe,howwellshewouldscoreonstandardizedtestsofwell-beingandhowinspiringshewouldbetoothers.inanotheryearbook,istumbleduponbarryobamaspicture.whenifirstsawhispicture,ithoughtthatthesesuperpowerscamefromhissupercollar.butnowiknowitwasallinhissmile.notheraha!momentcamefroma2010waynestateuniversityresearchprojectthatlookedintopre-1950sbaseballcardsofmajorleagueplayers.theresearchersfoundthatthespanofaplayerssmilecouldactuallypredictthespanofhislife.playerswhodidntsmileintheirpictureslivedanaverageofonlyyears,whereplayerswithbeamingsmileslivedanaverageofalmost80years.