摘要
Whodesigned(设计)thefirsthelicopter(直升机)?Who1themostfamouspicturesintheworld?Whoknewmoreaboutthehumanbodythanmost2?Thereisananswer3allthesequestions-LeonardodaVinci.Leonardomayhavebeenthegreatestgenius(天才)the4haseverknown.HelivedinItalyaroundtheyear1500,butmanyofhisinventionsseemmoderntoustoday.Forexample,oneofhisnotebookshasdrawingsofahelicopter.Ofcourse,hecouldn’t5ahelicopterwiththethingshehad.Butscientistssayhisideawouldhave6.ButLeonardowasn’tjustaninventor.Hewasoneofthegreatestartistsofhisday.Bythetimehewastwentyyearsold,hewascalledamaster(大师)painter,andashegotolderhebecame7morefamous.Sometimeshedrewahandintendifferentways8hewasreadytopaint.
出版日期
2018年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
