阅读理解。
You'resittingonthetrainhomeandthepersonoppositeyouyawns(打哈欠).Suddenlyyou're
yawningwithhimthoughyou'renottired.
Thisphenomenonconfusedscientistsforyearsuntilarecentstudyfoundthatpeopletendto
sympathizewithfellowhumans.Supportingthisclaimwasthediscoverythatthosechildrenwhowere
unabletoformnormalemotionaltieswithothersdidnotexperiencecontagions(有感染力的)yawning
whichshowedthathumanscommunicateregularlywithoutwords.
HogoCritchleyaneuroscientisthasconductedanexperimentrecentlywhichwillprovethat
happinessandsadnesscanspreadlikethecommoncold.AccordingtoCritchleyourmindandbody
areinconstantexchangeabouthowwe'refeeling."Emotionsarecloselylinkedwithstatesofinternal(内
部的)responses"heexplained."Therearealsomorevisiblechangesinourgestureandfacialexpressions.Whenwe'reinagroupthesesignalscanspreadtoanotherperson.Forexamplethere'stheobvious
tendencytosmilewhensmiledatandtherearelessobviouschangesthatreflectemotionsofsurprise
angerorsadnesssuchasachangeinourheartrateandbloodpressure."
HugoCritchleyfurtherexplained"Ourbodiessynchronizeandwhenweliketheotherpersonwe
evencopyhisbehivour.Nexttimeyouchatwithafriendtakenoteofhowyou'resitting-it'sprettylikely
thatyouwillbethesame.Scientistsbelieveit'sourwayoftellingeachotherthatwe'repartners.Through
bodylanguagehumansgiveeachotherverysubtle(微妙的)butclearsignalsthatshowemotions."
Sowhatlessonscanwelearnfromthis?"Spendtimewithhappypeople-otherwiseyourhealthcould
suffer"saidCritchley."Whenwe'resadourbodygoesintofightorflightmode.Butwhenwe'rehappy
ourbodyworksnormallyandwefeelrelaxedandpositive.Sowelookbrightourskinglowswefeel
healthyanditaffectseveryonearoundus."
1.AccordingtoHogoCritchley_________.
A.emotionsareasvisibleasfacialexpressions
B.weyawnmorefrequentlywhenwehaveacold
C.emotionsareconnectedwithstatesofinternalresp