Manysongs,poems,andbookhavebeenwrittenonlove'sstrongeffectonpeople.Thestateofbeinginlovehasevenbeencomparedtobeingsickor（1).AstudybyProfessorSemirZekiofUniversityCollegeLondonhasfoundthatlovedoes(2)people'sbrains--bymakingthemfeelgreat.Zekistudiedyoungmenandwomenwhohadrecentlyfalleninlove.Hefoundthat,whentheywerelookingaphotosoftheirlovedones,therewas()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: heightened B: enriches C: complete D: effect E: insane F: uplifting G: overall H: nourishes