唉,怎么是正方呢?看一下有没有吧：祝成功

　　AccordingtoalltheridiculoushypesurroundingDec.21,2012,theMayans"predicted"theendoftheworldwithoneoftheircalendars.Onthisdate,doomsayersassertthatEarthwillberavagedbyasmorgasbordofcataclysmicastronomicalevents--everythingfromaPlanetXflybytoa"killer"solarflaretoageomagneticreversal,ensuringwehaveavery,verybadday.

　　Now,purelyasaconsequenceoftheLongCount'snumericalvalue,manyMayanscholarsagreethatthecalendarwill"runout"after5,126years(or,atleast,it'sfirstcycledoes).TheMayanssetthiscalendartobeginintheyear3114B.C.(accordingtoourmodernGregoriancalendar).IftheLongCountbeganin3114B.C.andit'scalculatedtocontinuefor5126years,the"enddate"willbe--youguessedit--2012A.D.FurtherrefinementsetsthedatetoDec.21,thedayofthewintersolsticefortheNorthernHemisphere.

　　哎呀，我也纠结呢，谢谢啦