一、词汇选项：1.WealmostranintoaRolls-Roycethatpulledoutinfrontofuswithoutsignaling.A.overtookB.hitC.passedD.found2.Heshiftedhispositionalittle,inordertoalleviatethepaininhisleg.A.controlB.easeC.experienceD.suffer3.Ouraimwastoupdatethehealthservice,andwesucceeded.A.offerB.provideC.fundD.modernize4.Everyweekthemagazinepresentstheprofileofawell-knownsportspersonality.A.descriptionB.successC.evidenceD.plan5.Alltheflatsinthebuildinghadthesamelayout.A.colorB.sizeC.functionD.arrangement6.Newbornbabiescandiscriminatebetweenaman’sandawoman’svoice.A.treatB.expressC.distinguishD.analyze7.Theweatherwascrispandclearandyoucouldseethemountainsfiftymilesaway.A.hotB.heavyC.freshD.windy8.Nothingwouldinducemetovoteforhimagain.A.teachB.helpC.attractD.discourage9.WhenIheardthenoiseinthenextroom,Icouldn’tresisthaveapeep.A.chanceB.lookC.visitD.try10.Hercommentsaboutmenareutterlyridiculous.A.slightlyB.partlyC.faintlyD.completely11.Hewaswearyoftheconstantbattlebetweenthem.A.fondB.proudC.tiredD.afraid12.Shemovesfromoneexoticlocationtoanother.A.unusualB.familiarC.similarD.proper13.HehasbeengrantedasyluminFrance.A.protectionB.powerC.reliefD.license14.ThephotographsevokedmemoriesofourA.storedB.blockedC.erasedD.refreshed15.Thewallsaremadeofhollowconcreteblocks.A.emptyB.bigC.longD.new二、阅读判断
Europa’swateryunderworld
Europa,oneofJupiter’s63knownmoons,looksbrightandicyonthesurface.Butappearancescanbedeceiving:Mileswithinitscracked,frigidshell,Europaprobablyhidesgiantpoolsofliquidwater.Wherescientistsfindliquidwater,theyhopetofindlifeaswell.Sincewecan’tgodivingintoEuropa’sdepthsjustyet,scientistsinsteadhavetoinvestigatethemoon’ssurfaceforcluestowhatliesbeneath.Inanewstudy,scientistsinvestigatedonegroupofstrangeicepatternsonEuropaandconcludedthattheformationsmarkthetopofanundergroundpoolthatholdsasmuchwaterastheU.S.GreatLakes.PicturesofEuropa,whichisslightlysmallerthanEarth’smoon,clearlyshowatangled,icymishmashoflinesandcracksknownas“chaosterrains.”ThesechaoticplacescovermorethanhalfofEuropa.Formorethan10years,scientistshavewonderedwhatcausestheformations.Thenewstudysuggeststhattheyarisefromthemixingofvastundergroundstoresofliquidwaterwithicymaterialnearthesurface.ForscientistswhosuspectthatEuropaalsomaybehidinglifebeneathitsicysurface,thenewsaboutthenewlakeisexciting.“Itwouldbegreatiftheselakesharboredlife,”BritneySchmidt,aplanetaryscientistwhoworkedonthestudy,toldScienceNews.“Buteveniftheydidn’t,theysaythatEuropaisdoingsomethinginterestingandactiverightnow.”Schmidt,ascientistattheUniversityofTexasatAustin,andhercolleagueswantedtoknowhowchaosterrainsform.Sincetheycouldn’trockettoEuropatoseeforthemselves,theysearchedforsimilarformationshereonEarth.TheystudiedcollapsediceshelvesinAntarcticaandicycapsonvolcanoesinIceland.ThosefeaturesonEarthformedwhenliquidwatermixedwithice.ThescientistsnowsuspectsomethingsimilarmightbehappeningonEuropa:thataswaterandiceofdifferenttemperaturesmingleandshift,thesurfacefractures.Thiswouldexplainthejumbledicesculptures.“FracturingcatastrophicallydisruptstheiceinthesamewaythatitcausesiceshelvestocollapseonEarth,”SchmidttoldScienceNews.SheandherteamfoundthattheprocesscouldbecausingchaosterrainstoformquicklyonEuropa.Thenewstudysuggeststhatonthismoon,elementssuchasoxygenfromthesurfaceblendwiththedeepbodiesofwater.Thatmixturemaycreateanenvironmentthatsupportslife.16.TheliquidwaterofanundergroundpoolofEuropaisestimatedxxxxxoftheUSGreatlakes.A.RightB.WrongC.Notmention17.ThestrangeicepatternsonEuropaareformedasaresultofaxxxxxundergroundwaterpool.A.RightB.WrongC.Notmention18.EuropaisthemostrecentlydiscoveredoneamongJupiter’sA.RightB.WrongC.Notmention19.ThesizeofEuropaisabitlargerthanthatofEarth’smoon.A.RightB.WrongC.Notmention20.SchmidtandhercolleaguesarethefirstgroupofscientistsxxxxxEuropa.A.RightB.WrongC.Notmention21.TheformationsonEuropa’ssurfaceareratheruniqueintheA.RightB.WrongC.Notmention22.Theexistenceofliquidwaterisanecessityforalife-supportA.RightB.WrongC.Notmention
三、概括大意与完成句子
LearnaboutNobleGases（惰性气体）
1Haveyoueverriddenonaballoon?Manytouristspotsofferballoonridesinorderforpeopletoseethebeautyofaplacefromabove.Aballooncontainsanoblegascalledhelium(氦).Formerly,balloonscontainedhydrogenbuthydrogenisveryflammableanddangerouswhenuncontrolled.Therefore,peopleshiftedtohelium,whichissafer.Heliumissafebecauseithasthepropertiesofthenoblegases.2Peopleoncebelievedthatnoblegasescouldn’tchemicallyreactatall.Forthisreason,theywerecalledinertgases(惰性气体).TheywerealsolistedunderGroup0intheoldperiodictablebecausescientistsbelievedthatthegaseshavezerovalence(价)electronsintheiroutershell.Thiswaslaterproventobeuntruewhensomenoblegascompoundswerediscovered.3Thegasesareelements,whichsharesimilarproperties.Thesepropertiesincludebeingmonoatomic,colorless,odorless,beingabletoconductelectricity,andhavinglowchemicalreactivity.NoblegasesincludeHelium,Neon,Argon,Krypton,XenonandRadon.TheseareallfoundinGroup18,intherightmostcolumnoftheperiodictable.Ifyoulookattheperiodictable,youwillnoticethattheseelementsaretheonlyones,whichdonothaveacharge.Heliumhasthelowestmolecular(分子的)weightwhileRadonistheheaviest.4Rememberthatchemicalreactionsoccurbecauseatomshavevalenceelectrons,whichareelectronsintheiroutershell.Whentheoutershellis“unfilled”ortherequirednumberofelectronsisnotyetcomplete,theatomismorereactive.Noblegaseshaveafulloutershell,meaningthattheyhavecompleteelectronsintheiroutershell.Thiscompletenumbervaries.Forinstance,theoutershellofHeliumhas2valenceelectronswhiletheoutershellofXenonhas8electrons.Nowadays,thereremainstobeafewnoblegasesbecauseofthelowchemicalreactivityofthesesaidgases.A.whatistheperiodictable?B.Whatarenoblegases？C.Whatcausesthelowchemicalreactivityofnoblegases?D.Howwerenoblegasesdiscovered?E.Howwerenoblegasesunderstoodinthepast?F.whataretheapplicationsofnoblegases?5becauseoftheirproperties,noblegaseshavemanyimportantapplications.Theyarewidelyusedinmedicineandindustries.Forinstance,liquidHeliumisusedforsuperconductingmagnets(磁体).Thesemagnetsareveryimportantinphysicsandmedicine.Whenadoctorsuspectsthataperson’sbrainhasbeendamaged,hemightrequestforMagneticResonanceImaging(MRI).MRIallowsthedoctorto“see”thebrain,withoutoperatingonthepatient.23.paragraph2__E___24.paragraph3__B____25.paragraph4___C____26.paragraph5___F_____27.NoblegasesarenotverychemicallyA28.AmongtheelementsofnoblegasesHeliumistheB29.Therequirednumberofelectronsinnoblegases’outershellisD30.MRImaymakeoperatingonthepatientFA.reactiveB.lightestC.importantD.completeE.flammableF.unnecessary
三、概括大意与完成句子
LearnaboutNobleGases（惰性气体）
1Haveyoueverriddenonaballoon?Manytouristspotsofferballoonridesinorderforpeopletoseethebeautyofaplacefromabove.Aballooncontainsanoblegascalledhelium(氦).Formerly,balloonscontainedhydrogenbuthydrogenisveryflammableanddangerouswhenuncontrolled.Therefore,peopleshiftedtohelium,whichissafer.Heliumissafebecauseithasthepropertiesofthenoblegases.2Peopleoncebelievedthatnoblegasescouldn’tchemicallyreactatall.Forthisreason,theywerecalledinertgases(惰性气体).TheywerealsolistedunderGroup0intheoldperiodictablebecausescientistsbelievedthatthegaseshavezerovalence(价)electronsintheiroutershell.Thiswaslaterproventobeuntruewhensomenoblegascompoundswerediscovered.3Thegasesareelements,whichsharesimilarproperties.Thesepropertiesincludebeingmonoatomic,colorless,odorless,beingabletoconductelectricity,andhavinglowchemicalreactivity.NoblegasesincludeHelium,Neon,Argon,Krypton,XenonandRadon.TheseareallfoundinGroup18,intherightmostcolumnoftheperiodictable.Ifyoulookattheperiodictable,youwillnoticethattheseelementsaretheonlyones,whichdonothaveacharge.Heliumhasthelowestmolecular(分子的)weightwhileRadonistheheaviest.4Rememberthatchemicalreactionsoccurbecauseatomshavevalenceelectrons,whichareelectronsintheiroutershell.Whentheoutershellis“unfilled”ortherequirednumberofelectronsisnotyetcomplete,theatomismorereactive.Noblegaseshaveafulloutershell,meaningthattheyhavecompleteelectronsintheiroutershell.Thiscompletenumbervaries.Forinstance,theoutershellofHeliumhas2valenceelectronswhiletheoutershellofXenonhas8electrons.Nowadays,thereremainstobeafewnoblegasesbecauseofthelowchemicalreactivityofthesesaidgases.A.whatistheperiodictable?B.Whatarenoblegases？C.Whatcausesthelowchemicalreactivityofnoblegases?D.Howwerenoblegasesdiscovered?E.Howwerenoblegasesunderstoodinthepast?F.whataretheapplicationsofnoblegases?5becauseoftheirproperties,noblegaseshavemanyimportantapplications.Theyarewidelyusedinmedicineandindustries.Forinstance,liquidHeliumisusedforsuperconductingmagnets(磁体).Thesemagnetsareveryimportantinphysicsandmedicine.Whenadoctorsuspectsthataperson’sbrainhasbeendamaged,hemightrequestforMagneticResonanceImaging(MRI).MRIallowsthedoctorto“see”thebrain,withoutoperatingonthepatient.23.paragraph2__E___24.paragraph3__B____25.paragraph4___C____26.paragraph5___F_____27.NoblegasesarenotverychemicallyA28.AmongtheelementsofnoblegasesHeliumistheB29.Therequirednumberofelectronsinnoblegases’outershellisD30.MRImaymakeoperatingonthepatientFA.reactiveB.lightestC.importantD.completeE.flammableF.unnecessary
五、补全短文
TheMysteriesofNazca
InthedesertofPeru,300kilometersfromLima,oneofthemostunusualartworksintheworldhasmystified(迷惑)peoplefordecades.F(46)Butfromhighabove,thesemarksarehugeimagesofbirds,fish,seashells,allbeautifullycarvedintotheearth.TheNazcalinesaresodifficulttoseefromthegroundthattheyweren’tdiscovereduntilthe1930s,whenpilotsspottedthemwhileflyingoverthearea.Inall,thereareabout70differenthumanandanimalfiguresontheplain,alongwith900triangles,circles,andlines.Researchershavefiguredoutthatthelinesareatleast1,500yearsold,buttheirpurposeisstillamystery.D(47)However,itwouldprobablybeverytrickytoxxxxxandaspaceshipinthemiddleofpicturesofdogsandmonkeys.Inthe1940s,anAmericanexplorernamedPaulKosoksuggestedthatthedrawingsareachronicle(记录)ofthemovementofthestarsandplanets.C(48)xxxxxanastronomertestedhistheorywithacomputer,buthecouldn’tfindanyrelationbetweenthelinesandmovementsinspace.Anotherexplanationisthatthelinesmayhavebeenmadeforreligiousreasons.xxxxxresearcherTonyMorrisoninvestigatedthecustomsofpeopleintheAndesxxxxxandlearnedthattheysometimespraybythesideoftheroad.It’spossiblethatxxxxx,thelinesofNazcawerecreatedforasimilarpurpose.B(49)Butxxxxxpeoplehaveneverconstructedanythingthisbig.Recently,twootherscientists,DavidJohnsonandSteveMabee,havespeculatedxxxxxlinescouldhavebeenrelatedtowater.Nazcaisoneofthedriestplacesinthexxxxxreceivesonly2cmofraineveryyear.WhileJohnsonwassearchingforxxxxxwatersourcesinthearea,henoticedthatsomewaterwaysbuiltancientxxxxxwereconnectedwiththelines.JohnsonbelievesthattheNazcalinesareagiantxxxxxundergroundwaterinthearea.E(50)A..Scholarsdifferininterpretingthepurposeofthedesigns.B.Thelargestpicturemayhavebeenthesitesforspecialceremonies.C.HecalledNazca“thelargestastronomybookintheworld”D.ASwisswriternamedErichvonDanikenwrotethattheNazcalinesweredesignedasalandingplaceforUFOs.E.Otherscientistsarenowsearchingforevidencetoprovethis.F.Seenfromtheground,itlookslikelinesscratchedintotheearth.
六、完型填空
SolarPowerwithoutSolarCells
AdramaticandsurprisingmagneticeffectoflightdiscoveredbyUniversityofMichigan1researcherscouldleadtosolarpowerwithouttraditionalsemiconductor-basedsolarcells.Theresearchersfoundawaytomakean“optical51,”saidStephenRand,aprofessorinthedepartmentsofElectricalEngineeringandComputerScience,PhysicsandAppliedPhysics.Lighthaselectricandmagnetic52.Untilnow,scientiststhoughttheeffectofthemagneticfieldweresoweakthattheycouldbe53.WhatRandandhiscolleaguesfoundisthatattherightintensity,whenlightistravelingthroughamaterialthatdoesnot54electricity,thelightfieldcangeneratemagneticeffectsthatare100milliontimesstrongerthanpreviouslyexpected.Underthesecircumstances,themagneticeffectsdevelopstrength55toastrongelectriceffect.“Thiscouldleadtoanewkindofsolarcellwithoutsemiconductorsandwithoutabsorptiontoproducechargeseparation,”Randsaid.“Insolarcells,the56goesintoamaterial,getsabsorbedandcreatesheat.Here,weexpecttohaveaverylowheatload2.Insteadofthelightbeingabsorbed,energyisstoredinthemagneticmoment3.Intensemagnetizationcanbeinducedbyintenselightandthenitisultimatelycapableofprovidingacapacitivepower57Whatmakesthispossibleisapreviouslyundetectedbrandof“opticalrectification,”saysWilliamFisher,adoctoralstudentinappliedphysics.Intraditionalopticalrectification,light''selectricfieldcausesachargeseparation,orapulling58ofthepositiveandnegativechargesinamaterial.Thissetsupavoltage,similarto59inabattery.RandandFisherfoundthatundertherightcircumstancesandinrighttypesofmaterials,thelight''smagneticfieldcanalsocreateopticalrectification.Thelightmustbeshonethrougha60thatdoesnotconductelectricity,suchasglass.Anditmustbefocusedtoanintensityof10millionwattspersquarecentimeter8.Sunlightisn''tthis61onitsown,butnewmaterialsarebeingsoughtthatwouldworkatlowerintensities,Fishersaid.“Inourmostrecentpaper,weshowthatincoherentlight9likesunlightistheoreticallyalmost62effectiveinproducingchargeseparationaslaserlightis,”Fishersaid.Thisnew63couldmakesolarpowercheaper,theresearcherssay.Theypredictthatwithimprovedmaterialstheycouldachieve10percentefficiencyinconvertingsolarpowertouseableenergy.That''sequivalenttotoday''scommercial-gradesolarcells.“Tomanufacturemodemsolarcells,youhavetodo64semiconductorprocessing,”Fishersaid.“Allwewouldneedarelensestofocusthelightandafibertoguideit.Glassworksfor65.It''salreadymadeinbulk,anditdoesn''trequireasmuchprocessing.Transparentceramicsmightbeevenbetter.”51.A.discB.fiberC.instrumentD.battery52.A.applicationsB.componentsC.resourcesD.differences53.A.concernedB.ignoredC.expectedD.noticed54.A.conductB.produceC.useD.consume55.A.reactiveB.preferableC.dueD.equivalent56.A.lightB.electricityC.chemicalD.gas57.A.plantB.sourceC.equipmentD.line58.A.upB.downC.apartD.together59.A.thisB.thoseC.thatD.these60.A.materialB.deviceC.detectorD.meter61.A.brightB.faintC.visibleD.intense62.A.moreB.asC.muchD.such63.A.skillB.technologyC.miracleD.prototype64.A.extensiveB.interactiveC.selectiveD.intensive65.A.allB.someC.othersD.bothhttp://edu.21cn.com/kcnet470/）提供！
职称英语培训（http://edu.21cn.com/kcnet470/）
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