高考英语一轮复习 外刊阅读 小猫钓鱼选词填空全 素材

高考英语外刊原创外刊阅读：小猫钓鱼1Elevatedbodytemperaturehelpscertaintypesofimmunecellstoworkbetter,evidencesuggestsdevoteB.mediateC.infectedD.involvedE.replicateF.mildG.dramaticallyH.conservedI.enhancedJ.maintainedK.temporarilyWithcoldandfluseasonalmosthere,thenexttimeyou'resick,youmaywanttothankyourfeverforhelpingfightoffinfection.That'sbecausescientistshavefoundmoreevidencethatelevatedbodytemperaturehelpscertaintypesofimmunecellstoworkbetter."Anincreaseinbodytemperaturehasbeenknownsinceancienttimestobeassociatedwithinfectionandinflammation,"saidElizabethA.Repasky,Ph.D.,aresearcher(31)______intheworkfromtheDepartmentofImmunologyattheRoswellParkCancerInstituteinBuffalo,NewYork."Sinceafebrileresponseishighly(32)______innature(evenso-calledcoldbloodedanimalsmovetowarmerplaceswhentheybecomeill)itwouldseemimportantthatweimmunologists(33)______moreattentiontothisinterestingresponse."Scientistsfoundthatthegenerationanddifferentiationofaparticularkindoflymphocyte,knownasa"CD8+cytotoxicT-cell"(capableofdestroyingvirus-infectedcellsandtumorcells)is(34)______bymildfever-rangehyperthermia.Specifically,theirresearchsuggeststhatelevatedbodytemperaturechangestheT-cells'membraneswhichmayhelp(35)______theeffectsofmicro-environmentaltemperatureoncellfunction.Totestthis,researchersinjectedtwogroupsofmicewithanantigen,andexaminedtheactivationofT-cellsfollowingtheinteractionwithantigenpresentingcells.Bodytemperatureinhalfofthemicewasraisedby2degreescentigrade,whiletheotherhalf(36)______anormalcorebodytemperature.Inthewarmedmice,resultsshowedagreaternumberofthetypeofCD8T-cellscapableofdestroying(37)______cells."Havingafevermightbeuncomfortable,"saidJohnWherry,Ph.D.,DeputyEditorofthe

JournalofLeukocyteBiology,"butthisresearchreportandseveralothersareshowingthathavingafeverispartofaneffectiveimmuneresponse.Wehadpreviouslythoughtthatthemicrobesthatinfectussimplycan't(38)______aswellwhenwehavefevers,butthisnewworkalsosuggeststhattheimmunesystemmightbe(39)______enhancedfunctionallywhenourtemperaturesrisewithfever.Althoughveryhighbodytemperaturesaredangerousandshouldbecontrolled,thisstudyshowsthatwemayneedtoreconsiderhowandwhenwetreatmost(40)______fevers."（355）（/releases/2011/11/111101130200.htm）核心词汇：involvedconserveddevoteenhancedmediatemaintainedinfectedreplicatetemporarilymilddramaticallyelevatedinflammationinjectedactivationfunctionally外刊阅读：小猫钓鱼7TheWHOjustdeclaredthecoronavirusapandemic.Here’swhatthatmeans.A.concernedB.trackC.assessmentD.increasinglyE.sweptF.respondG.completelyH.identifiedI.contributedJ.substantialK.definingInapressconferenceWednesdaymorning,WHODirectorGeneralTedrosAdhanomGhebreyesussaidwhathasbeenincreasinglyobviousforweeks:Thenovelcoronavirusthathas(31)______theworld,infectingmorethan120,000peopleinmorethan100countries,isapandemic.“WHOhasbeenassessingthisoutbreakaroundtheclockandwe’redeeply(32)______bothbythealarminglevelsofspreadandseverityandthealarminglevelsofinaction.Wehavethereforemadethe(33)______thatCovid-19canbecharacterizedby“pandemic,”Tedrossaid,goingontoarguethatthedesignationdidnotmeanthesituationwashopeless:“Allcountriescanstillchangethecourseofthispandemic.”Thenewscameafter(34)______casesdoubledintheUSinthespaceofjusttwodays,ChancellorAngelaMerkelinGermanysaidthat60to70percentofGermanscouldbecomeinfected,andItalylockeddownitsentirepopulationandwarnedtheworldthattheywererunningoutofICUcapacity—whileexpertswarnedmanyothercountrieswereon(35)______forlargeoutbreaksandhealthcarecapacityissues.Therapidspreadofthevirusinmorecountrieslikely(36)______totheWHO’sdecisiontodeclarethediseaseapandemic.Butinrecentdays,that’sbecome(37)______untrue.Therearenowmorethan40,000casesoutsideChina,33percentofallcases.Thereis(38)_______communitytransmissionincountriesincludingIran,Italy,andSouthKorean.Thedeclarationthatitisapandemicdoesn’tchangeanyfactsontheground,butitreflectstheWHOpullingoutallthestopsintheirefforttogettheworldto(39)______tothesituationwiththeseriousnessitdeserves.Whenitcomesto(40)______apandemic,thingsgetalittlemorecomplicated.A“pandemic”diseasesoundsmuchscarierthanamere“outbreak.”Butit’simportanttorememberthat“pandemic”referstohowmanyparts