Ithinkhumanbrainismuchpowerfulthatcomputer.First,it'sthecreativeideainhumanbrainthatbringscomputerstoourlife.Mancanmakeupacomputerwhilecomputerscannevermakeupaperson.Second,computersneedelectricityasitspower,whileamancanusehisbrainwheneverhewantsto. 　　Accordingtoasurvey,ahumanbrainisequalwithseveralhundredmillioncomputers.Theonlyproblemisthatmostoftheresoursesinhumanbrainhaven'tbeendevelopedyet,infact,with3%developed.Ifwecandevelopeourbrainfully,thecomputerwillnotbeacircumstancetohumanbrain,nottosaytobemorepowerful. 　　What'smore,computerscannotrunwithoutcontrolfromhuman.Alltheseevidencesabovecanprovethathumanbrainismuchmorepowerfulthanthecomputer. 　　还这篇难一点 　　Somerecentdevelopmentsinthecomputerindustrymakescientistspredictthatthegapbetweenhumanbeingsandmachineswillbeclosedabouttheyear20000. 　　Tounderstandthesignificanceofthispredictionletuscomparethehumanbrainwithexistingcomputers.Thebrainconsumeselectricalenergyattherateof25wattsandoccupiesavolumeofonetenthofacubicfoot.Thebrainhousesbetween10billionand100billionitemsofinformation.Everybraincellisdirectlyconnectedtomanyothercells.Asaresult,thecellsinwhichinformationisstoredcancommunicatewiththousandsofothercells. 　　However,thecomputerconsumes1000,000wattsofelectricalpowerandoccupieshundredsofcubicfeetofspace.Itsmillionitemsofimmediatelyaccessibleinformation.Incontrast,thecomputermemoryislikeacellofpigeonholes,withnothinkingcapacityandnoconnectionselsewhere. 　　Inaword,theelectronicbrainsarehopelesslyinadequateincomparisonwiththehumanbrains.