考研英语真题答案与解析.doc

2011年考研英语真题答案与解析SectionⅠUseofEnglish AncientGreekphilosopherAristotleviewedlaughteras“abodilyexerciseprecioustohealth”.But1()someclaimstothecontrary,()short-termchangesinthefunctionoftheheartanditsbloodvessels,3()(),agoodlaughisunlikelytohave5()benefitstheway,say,walkingorjoggingdoes. 6(),insteadofstrainingmusclestobuildthem,asexercisedoes,plishesthe7().Studiesdatingbacktothe1930’sindicatethatlaughter8()muscles,decreasingmuscletoneforupto45minutesafterthelaughdiesdown. Suchbodilyreactionmightconceivablyhelp9(),theactoflaughingprobablydoesproduceothertypesof10()feedback,thatimproveanindividual’()oneclassicaltheoryofemotion,ourfeelingsarepartiallyrooted12()()esadwhenthetearsbegintoflow. Althoughsadnessalso14()tears,evidencesuggeststhatemotionscanflow15(),socialpsychologistFritzStrackoftheUniversityofWürzburginGermanyaskedvolunteersto16()apeneitherwiththeirteeth—therebycreatinganartificialsmile—orwiththeirlips,whichwouldproducea(n)17()()moreexuberantlytofunnycartonsthandidthosewhosemouthswerecontractedinafrown,19()(),thephysicalactoflaughtercouldimprovemood. 古希腊哲学家亚里士多德认为笑是“一种身体运动,对健康来讲非常珍贵”。但是也有相反的观点,笑可能对身体健康影响甚微。笑声确实可以引起心脏和血管功能的短期变化,加快心跳和氧气消耗。但强笑很难保持,不可能以衡量散步或慢跑好处的方式来衡量大笑带来的好处。实际上,运动通过拉伸肌肉来锻炼肌肉,很明显笑却是相反。追溯到20世纪30年代的研究暗示:笑可放松肌肉,笑声消失后可减缓肌肉紧张,长达45分钟。笑可帮助减缓心理压力的不良影响。无论如何,笑这一行为确实引起其他方面的身体反应,并且改善了个人的情绪状态。根据关于情感的经典理论——感情部分地是根植于身体反应。19世纪末人们有一种争论,人并不是因为悲伤而哭,而当开始流下眼泪时,人