Manysongs,poems,andbookhavebeenwrittenonlove'sstrongeffectonpeople.Thestateofbeinginlovehasevenbeencomparedtobeingsickor（1).AstudybyProfessorSemirZekiofUniversityCollegeLondonhasfoundthatlovedoes()people'sbrains--bymakingthemfeelgreat.Zekistudiedyoungmenandwomenwhohadrecentlyfalleninlove.Hefoundthat,whentheywerelookingaphotosoftheirlovedones,therewas(3)activityinfourareasoftheirbrains.Theseareasdealwithemotions,andoneofthem,inparticular,isknownto(4)todrugsthatcausefeelingsofeuphoria(5),thestudyalsofoundalackofactivityintwootherareasofthebrainwhenthevolunteerlookedattheirlovers'photographs.Oneoftheseareasislinkedtofeelingsofsadness,whiletheotherisoftenactiveinpeoplesufferingfromdepression.Itseemslovereallycanbe(6).Thestateofbeinginlove,accordingtosomescientists,mayactuallybegoodforyourhealth.Althoughscientistsknowthatbeinginlovecanmakeapersonfeelgreat,the(7)influenceofloveonaperson'shealthishardertodetermine.However,scientistssaythatpeopledoneedloveinordertolivehealthylives.AccordingtoDr.ThomasLewis,peopleneedtobein(8)becausethatishowwearedesigned.Hesaysthebraincanonlymaintainthe(9)stabilityofaperson'simmunesystem,bodilyrhythms,andheartifitreceivesinputfromoutsidethebodyintheformofemotionalconnectionswithothers.ProfessorAntonioDamasiohasasimilarview.Hesaysthatlove(10)aperson'simaginationandcreativity,andmakesaperson'sbodyworkbetter.Healsobelievesthatlovecanevenimprovethebody'sabilitytofightdisease.Damasio’swisewordsofadviceare:“Chooseloveandyouwilllonger.”（） A: precise B: actual C: Interestingly D: connections E: affect F: relationships G: complete H: respond