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第页共NUMPAGES35页 考研英语真题解析考研真题英语真题及参考答案 2021年全国硕士研究生入学统一考试英语（一）试题Section IUseofEnglishDirections:Readthefollowingtext.Choose thebestword(s)foreachnumberedblankandmark[A],[B],[C]or[D]onANSWERSHEET 1.(10 points)AncientGreekphilosopherAristotleviewedlaughteras“abodilyexerciseprecioustohealth.”But__1___someclaimstothecontrary,laughingprobablyhaslittleinfluenceonphysicalfitnessLaughterdoes__2___short-termchangesinthefunctionoftheheartanditsbloodvessels,___3_heartrateandoxygenconsumptionButbecausehardlaughterisdifficultto__4__,agoodlaughisunlikelytohave__5___benefitstheway,say,walkingorjoggingdoes. __6__,insteadofstrainingmusclestobuildthem,asexercisedoes,laughterapparentlyacplishesthe__7__,studiesdatingbacktothe 1930’sindicatethatlaughter__8___muscles,decreasingmuscletoneforupto45minutesafterthelaughdiesdown. Suchbodilyreactionmightconceivablyhelp_9__theeffectsofpsychologicalstress.Anyway, theactoflaughingprobablydoesproduceothertypesof___10___feedback,thatimproveanindividual’semotionalstate.__11____one classicaltheoryofemotion,ourfeelingsarepartiallyrooted____12___physicalreactions.It wasarguedattheendofthe 19thcenturythathumansdonotcry___13___theyaresadbuttheybeesadwhenthetearsbegintoflow. Althoughsadnessalso____14___tears,evidencesuggeststhatemotionscanflow__15___muscularresponses.In anexperimentpublishedin 1988,socialpsychologistFritzStrackoftheUniversityofwürzburginGermanyaskedvolunteersto__16___apeneitherwiththeirteeth-therebycreatinganartificialsmile–orwiththeirlips,whichwouldproducea(n)__17___expression.Those forcedtoexercisetheirenthusiasticallytofunnycatoonsthandidthosewhosemonthswerecontractedinafrown,____19___thatexpressionsmayinfluenceemotionsratherthanjusttheotherwayaround__20__,thephysicalactoflaughtercouldimprovemood. 1．[A]among [B]except[C]despite[D]like 2．[A]reflect [B]demand[C]indicate[D]produce3．[A]stabilizing [B]boosting[C]impairing[D]determining4．[A]transmit [B]sustain[C]evaluate[D]observe5．[A]measurable [B]manageable[C]affordable[D]renewable6．[A]I
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