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1、SectionI UseofEnglishDirections:AncientGreekphilosopherAristotleviewedlaughteras“abodilyexerciseprecioustohealth.”But __1___someclaimstothecontrary,laughingprobablyhaslittleinfluenceonphysicalfitnessLaughterdoes__2___short-termchangesinthefunctionoftheheartand
2、itsbloodvessels,___3_heartrateandoxygenconsumptionButbecausehardlaughterisdifficultto__4__,agoodlaughisunlikelytohave__5___benefitstheway,say,walkingorjoggingdoes.__6__,insteadofstrainingmusclestobuildthem,asexercisedoes,laughterapparentlyaccomplishesthe__7__,stu
3、diesdatingbacktothe1930’sindicatethatlaughter__8___muscles,decreasingmuscletoneforupto45minutesafterthelaughdiesdown.Suchbodilyreactionmightconceivablyhelp_9__theeffectsofpsychologicalstress.Anyway,theactoflaughingprobablydoesproduceothertypesof___10___feedback,t
4、hatimproveanindividual’semotionalstate.__11____oneclassicaltheoryofemotion,ourfeelingsarepartiallyrooted____12___physicalreactions.Itwasarguedattheendofthe19thcenturythathumansdonotcry___13___theyaresadbuttheybecomesadwhenthetearsbegintoflow.Althoughsadnessalso__
5、__14___tears,evidencesuggeststhatemotionscanflow__15___muscularresponses.Inanexperimentpublishedin1988,socialpsychologistFritzStrackoftheUniversityofwürzburginGermanyaskedvolunteersto__16___apeneitherwiththeirteeth-therebycreatinganartificialsmile–orwiththeirlips
6、,whichwouldproducea(n)__17___expression.Thoseforcedtoexercisetheirsmilingmuscles___18___moreexuberantlytofunnycartonsthandidthosewhosemouthswerecontractedinafrown,____19___thatexpressionsmayinfluenceemotionsratherthanjusttheotherwayaround__20__,thephysicalactofla
7、ughtercouldimprovemood.1．[A]among [B]except [C]despite [D]like2．[A]reflect [B]demand [C]indicate [D]produce3．[A]stabilizing [B]boosting [C]impairing [D]determining4．[A]transmit [B]sustain [C]evaluate [D]obser
8、ve5．[A]measurable [B]manageable [C]affordable [D]renewable6．[A]Inturn [B]Infact [C]Inaddition [D]Inbrief7．[A]opposite [B]impossible [
