英语翻译Thereareseveralwaysoftestingtheintelligence(智力)ofanimals.Inonetest,somescientistsputthreeplatesonthetable.Whiletheanimalwatched,theyputfoodunderoneoftheplates.Thentheytooktheanimalaway.Sometimelater,

　　英语翻译

　　Thereareseveralwaysoftestingtheintelligence(智力)ofanimals.Inonetest,somescientistsputthreeplatesonthetable.Whiletheanimalwatched,theyputfoodunderoneoftheplates.Thentheytooktheanimalaway.Sometimelater,theybroughtitbacktoseeifitrememberedwhichplatehadthefood.Theideaistofindouthowlongananimal’smemorycanlast.Thescientistswouldtryshowingtheplatetotheanimalonehourlater,ortwohourslater,orevenafulldaylater.Theyfoundoutthatchimpanzeesandelephantshavethebestmemory,andareabletorememberthecorrectplateforatleasttwentyhours.Nootheranimalisclose.Dogscomenext,buttheycanonlyrememberforninehours.

　　Thescientistsmadealargemaze(迷宫)andranthechimpanzeesandelephantsthroughit.Themazewasverydifficultwithmanydeadends.Ittookthechimpanzeestenminutestofindtheirwayout.Theelephantsneededhalfanhour.Thetestshowedthatchimpanzeesarethecleverestanimals.

　　Fromthisandotherteststhescientistsfoundoutananimal’sintelligencedependsonthesizeofitsbraintothesizeofitsbody.Theelephant’sbrainistenpounds,butthatisonly1/600ofitsbody.Achimpanzee’sbrainisaboutonepound,andit’s1/120ofitsbody.Sothechimpanzeehasfivetimesasmuchbrainastheelephanthas----morebrain.