Anexpertbelievesshehasdetectedthesecretofwhatdogsdreamabout.DrDeirdreBarrett,apsychologist(心理学家)atHarvardMedicalSchool,didresearchintodogdreamsandsaidthat,amongotherthings,dogsdreamabouttheirowners.
DrBarrettsaidcanine(犬的)dreamswerecomparabletothosewehave.Shesaid,“Humansdreamaboutthesamethingsthey’reinterestedinbyday.There’snoreasontothinkanimalsareanydifferent.Sincedogsaregenerallyveryattached(依恋)totheirhumanowners,it’slikelythatyourdogisdreamingofyourface,yoursmellandofpleasingorannoyingyou.”Thepsychologistevenadvisedpetownerstogivetheirpetshappydaytimeexperiencestomakesuretheyhavenicedreams.
DrBarrettstatedthatthereisnowayofknowingforcertainwhatdogsseewhentheydream.Researchisn’tevenclosetofindingthatmysterywithhumandreams.Theresultsareaccordingtothefactthatcaninesandothermammals(哺乳动物)haveasleepcycle(周期)thatissimilartothehumansleepcycle.ThisincludesaperiodofactivitycalledREM(RapidEyeMovement),whichisthepartofthesleepcyclewhenhumansdream.Shesaid,“Thatcertainlymakesitthebestguessthatothermammalsaredreamingtoo.”
DrBarrettalsoexplainedthereasonwhydogsmovetheirlegswhiletheyareasleep.Shesaidtheyareprobablyactingouttheirdreams,sotheirlegsmoveinarunningmotion(运动)intheirsleep.
1.Whatdoestheunderlinedword“detected”mean
ARemained.
BDiscovered.
CExperienced.
DDoubted.
2.Whatdidthepsychologistthinkpetownersshoulddo
ASleepwiththeirpets.
BWalktheirpetsafterdinner.
CPlaywiththeirpetsbeforesleep.
DMaketheirpetsgladduringtheday.
3.Whatmakesitpossibletoknowwhatdogsseeintheirdreams
ADogs’attachingtoowners.
BRapidEyeMovement.
CDog’sexperience.
DThesleepcycle.
4.WhydodogsmovetheirlegswhilesleepingaccordingtoDrBarrett