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1、2014高考英语专题指导之阅读理解7难度值：较难推荐度：五星Hereisanastonishingandsignificantfact:Mentalworkalonecan’tmakeustired.Itsoundsabsurd.Butafewyearsago,scientiststriedtofindouthowlongthehumanbraincouldlaborwithoutreachingastageoffatigue(疲劳).Totheamazementofthesescientists,theydiscoveredthatbloodpassingt
2、hroughthebrain,whenitisactive，showsnofatigueatall!Ifwetookadropofbloodfromadaylaborer,wewouldfinditfulloffatiguetoxins(毒素）andfatigueproducts.ButifwetookbloodfromthebrainofanAlbertEinstein,itwouldshownofatiguetoxinsattheendoftheday.Sofarasthebrainisconcerned,itcanworkaswellandswiftly
3、attheendofeightoreventwelvehoursofeffortasatthebeginning.Thebrainistotallytireless.Sowhatmakesustired?Somescientistsdeclarethatmostofourfatiguecomesfromourmentalandemotional(情感的）attitudes.OneofEngland’smostoutstandingscientists,J.A.Hadfield，says,“Thegreaterpartofthefatiguefromwhichw
4、esufferisofmentalorigin.Infact,fatigueofpurelyphysicaloriginisrare.”Dr.Brill,afamousAmericanscientist,goesevenfurther.Hedeclares,“Onehundredpercentofthefatigueofasittingworkeringoodhealthisduetoemotionalproblems.”Whatkindsofemotionsmakesittingworkerstired?Joy?Satisfaction?No!Afeelin
5、gofbeingbored，anger,anxiety,tenseness,worry,afeelingofnotbeingappreciated-thosearetheemotionsthattiresittingworkers.Hardworkbyitselfseldomcausesfatigue.Wegettiredbecauseouremotionsproducenervousnessinthebody.64.Whatsurprisedthescientistsafewyearsago?A.Fatiguetoxinscouldhardlybefound
6、inalaborer’sblood.B.AlbertEinsteindidn’tfeelwornoutafteraday’swork.C.Thebraincouldworkformanyhourswithoutfatigue.D.Amentalworker’sbloodwasfilledwithfatiguetoxins.65.Accordingtotheauthor,whichofthefollowingcanmakesittingworkerstired?A.Challengingmentalwork.B.Unpleasantemotions.C.Endl
7、esstasks.D.Physicallabor.66.What'stheauthor’sattitudetowardsthescientists’ideas?A.Heagreeswiththem.B.Hedoubtsthem.C.Hearguesagainstthem.D.Hehesitatestoacceptthem.67.Wecaninferfromthepassagethatinordertostayenergetic,sittingworkersneedto_____.A.havesomegoodfoodB.enjoytheirworkC.exerc
8、iseregularlyD.disco
