第1題In1963,AnAmericanmeteorologistpublishedthepaper“deterministicaperiodicflow”,whichrevealedtheexistenceofchaosindeterministicnonlinearequations.Whoisthemeteorologist?

ALorenzBChapskyCKruskalDMandelbrot第2題In1965,whatdidmathematiciansChubJKiandKruskaldiscoverthroughcomputerexperiments?

AChaosBSolitonCFractalDQuantummechanics第3題In1975,whichAmericanmathematicianpublishedthebook“Fractal:Shape,ProbabilityandDimension”,whichestablishedthefractaltheory.Whoisthemathematician?

ALorenzBChapskyCKruskalDMandelbrot第4題Whodidsaythat“mathematicsisthequeenofscience”?

AGaussBHuaLuogengCEinsteinDNewton第5題Whodidsay:“theuniverseisbig,theparticleistiny,therocketisfast,thechemicalindustryisingenious,theearthischanging,themysteryoflife,thecomplexityofthesunandthemoon,thereisnoplacewithoutmathematics.”AGaussBHuaLuogengCEinsteinDNewton第6題FamousmathematicianRiemannoncepointedoutthat“onlyaftertheestablishmentofcalculus,whichsubjectcanbedevelopedintoarealscience?”APhysicsBChemistryCComputerDBiology第7題ForFibonacciseries:1,1,2,3,5,8,13,21,34,….Withtheincreaseofthenumberofitemsinasequence,theratiooftheformertothelatterisgettingclosertowhatvalue.

ABCD1第8題Goisastrategictwoplayersgame.Itwascalled“chess”inancientChinaand“Go”intheWest.PopularamongEastAsiancountries(China,Japan,SouthKorea,NorthKorea),itisoneofthefourarts–Qin,Chess,CalligraphyandPainting.GooriginatedinChina.ItissaidthatitwasmadebyEmperorYao.ItwasrecordedintheSpringandAutumnPeriodandtheWarringStatesPeriod.InSuiandTangDynasties,itwasintroducedintoJapanthroughNorthKoreaandspreadtoEuropeanandAmericancountries.GocontainsrichconnotationofChineseculture,whichistheembodimentofChinesecultureandcivilizations.Weusesquarecheckerboardandblack-and-whitetwo-colorroundpiecesonGotoplaychess.Thechessboardisdividedintoseveralintersectionsbyhowmanylinesintheverticalandhorizontaldirections.

A15B17C19D21第9題Giventhefunction,thenthen-thiterationof,_______.

Ax+nbBnx+bCD第10題Giventhefunction

f(x)=ax+b(a≠1),thenwhatisthefixedpointofthefunction?ABCD第11題Themorematurepartofnonlinearscienceisnonlineardynamics.Inthelate19thcentury,Poincare’stwoworks,thequalitativetheoryofordinarydifferentialequationsandthequantitativecalculationofcelestialmotion,madehimtheearliestrepresentativeofnonlinearscience.

第12題Fractalisageometricconcept,whichisabstractlysummarizedfromirregulargeometrysuchasclouds,coastlines,branches,lightningandsoon,butwithsomeinfinitenestedselfsimilarity.(第13題Duetothesensitivityofinitialvalueandtheunpredictabilityoflong-termdevelopmenttrend,chaoscontrolandshort-termpredictionofchaostimeseriesbecomethemaincontentofchaosapplication.

第14題Then-thiterationoffunction

f(x)=xkis

fn(x)=xkn.

第15題Whatrepresent(s)thethreeuniversalclassesofnonlinearphenomenaandconstitute(s)thethreetheoriesofnonlinearscience?

AChaosBSolitonCFractalDQuantummechanics正確答案：ABC第16題Fibonaccisequence,alsoknownasgoldensectionsequence,wasintroducedbymathematicianLeonardoFibonacciwithrabbitbreedingasanexample,soitisalsocalled“rabbitsequence”,referringtosuchasequence:1,1,2,3,5,8,13,21,34,….AsforthenatureofFibonaccisequence,whichofthefollowingstatementsarecorrect?

AStartingfromthesecondterm,thesquareofeacheventermis1lessthantheproductofthetwoprecedingterms.BStartingfromthethirdterm,thesquareofeachoddtermis1morethantheproductofthefirstandsecondterms.CStartingfromthesecondterm,thesquareofeacheventermis1morethantheproductofthefirstandsecondterms.DStartingfromthethirdterm,thesquareofeachoddtermis1lessthantheproductofthefirstandsecondterms.正確答案：AB第17題Whichofthefollowingfunctionsarenonlinear?

Af(x)=sinxBf(x)=ax+bx+c(ac?b≠0)Cf(x)=ax+b(a≠0)Df(x)=u?x2正確答案：ABD第18題Supposingthatthesidelengthofaregulartriangleisa,removingthemiddlepartofeachsidebythreeequalparts,andatthesametimetakingthemiddlepartasthesidelengthtoexpandaregulartriangle,soastorepeat,howdoestheperimeterchangeinthelongrun?Howdoestheareachange?Whichofthefollowingstatementsarenottrue?

ALimitedperimeterandlimitedareaBInfiniteperimeterandinfiniteareaCLimitedperimeter,andinfiniteareaDInfiniteperimeterandlimitedarea正確答案：ABC第19題Itisgenerallybelievedthatchaosisaseeminglyirregularandorderlymotioninadeterministicsystem.Whatcanthecharacteristicsofchaosbesummarized?AIntrinsicrandomnessBSensitivedependenceoninitialvalueCLinearpropertyDSingularity正確答案：ABD第20題Innaturalscienceandengineeringtechnology,manyphenomenacannotbedescribedwithlinearmodels,suchaslargeswingofpendulum,characteristicsofrelaydiode,mechanismofself-excitedoscillationcircuit,etc.Logicallyspeaking,nonlinearityisnotsatisfiedwiththepropertiesoflinearsuperpositionprinciple.Butwhatpeoplereallyconcernaboutisthosephenomenawhichcannotbeexplainedonlybylineartheory,collectivelyreferredtoasnonlinearphenomena.第1題Whatarethespiralsformedbyjoiningthearcsinsequencewithradiisas1,1,2,3,5,8,13...?ALogarithmichelixBGolden

spiralCHyperbolichelixDArchimedeshelix第2題Whatistheapproximationofthegoldenratio?A0.618B0.816C0.681D0.861第3題Whichfunctioniswhatdepictionofhelixcan'tbeseparatedfrom?ATrigonometricfunctionBLogarithmicfunctionCExponentialfunctionDPowerfunction第4題Whichofthefollowingpicturesembodiesthebeautyofharmony?AMagicsquareBRiversideSceneatQingmingFestivalCVenusofMinosDThousandsofmilesofriversandmountains第5題Whatistheschoolofmathematicianswhofirstdiscoveredthegoldensection?____正確答案：:Pythagoras第6題UsingMatlabsoftwaretoreaddigitalimages,howmanymatrixcanbeoutput?____正確答案：:3第7題Whatisthetypeofcylindricalhelix?A2DhelixB3DhelixCHyperbolichelixDGolden

spiral第8題WhatisthemethodofcompositionusedinLeonardoDaVinci'spaintingtheLastSupper?____正確答案：:Theperspectiveofcomposition第9題Whatismagicsquarecalled?A"Hetu"B"Luoshu"CMagiccubeDVerticalandhorizontaldiagram正確答案：ABD第10題Whatisthecorrectdescriptionofthemobiusstrip?A1B2C3D4第11題Whatdoestheresolutionofaphotocorrespondtointhematrix?ARankBNumberofrowsandcolumnsCEigenvaluesDEigenvectors第12題Whatisthemostaccuratefunctiontodescribethevariationofthestringlengthofapiano?AHyperbolicBExponentialCTrigonometricDLogarithmic第13題Whichofthefollowingismostcloselyrelatedtothemusicscore?AFrequencyBCycleCAmplitudeDPhase第14題WhatmathematicalconceptsaremostcloselyrelatedtotheshapeoftheChineseflag?AGoldensectionBtrigonometricfunctionCFouriertransformDDifferentialequation第15題Whichofthefollowingismostcloselyrelatedtothat"theobjectisbigwhennearandsmallwhenfar"inlife?ALinearalgebraBAffinegeometryCIterativealgorithmsDInfiniteseries第16題Whatcanbedonetosilenceapieceofmusic?APlusharmonicsBPlusenvelopeCSynthesisD

Harmonictransformation第17題Whatisthesumofalltheelementsofathirdordermagicsquare?A15B25C35D45第18題Whatisthesumoftherows,columns,anddiagonalelementsofthefourthordermagicsquare?____正確答案：:34第19題Whichofthefollowingoptionsismostcloselyrelatedtothegoldensection?APerspectivecompositionBLengthofcoastlineCFipolaccisequenceDAreaoftriangle第20題WhatmathematicalmethoddidthefamouspainterPicassousebestinhisartisticcreation?AFractalBGoldensectionCAffinegeometryDNon-EuclideangeometryTest:ProbabilityandLife第1題Howmanydifferentwaysaretheretochoose3ofthe5classcadrestoparticipateinanactivity?A3B5C10D60第2題Howmanydifferentwaysaretheretochoose3ofthe5studentsasmonitor,leaguebranchsecretaryandlearningcommitteemember?

A3B5C10D60第3題In1654,aFrenchgamblermetwithadifficultproblem:Mailerandoneofhisfriendseachgave30goldcoins,andthetwowhowonthefirst3gameswouldgetallthebets.Afterawhileinthegame,Mailerwon2games,andhisfriendwon1.Atthistime,thegamehadtostopbecauseofanemergency.Howdotheyallocate60goldcoinsonthetable?

AMailerdeserves30goldcoins,andhisfrienddeserves30goldcoins.BMailerdeserves40goldcoins,andhisfrienddeserves20goldcoins.CMailerdeserves45goldcoins,andhisfrienddeserves15goldcoins.DMailerdeserves60goldcoins,andhisfrienddeserves0goldcoins.第4題Supposingyouareaprincess,thereare100princeswhocomeallthewaytoseekamarriagealliance.EachPrincebroughtaboxofbetrothalgifts.Theywillonlymeetwithyouonce,opentheirboxesandshowtheirrichgifts.Andyouneedtoanswerimmediatelyifyouwant,ortheywillleaveandnevercomeback.Supposingyou,theprincess,areabigmoneyfan,andtheprincesareallcoveredwiththeirfaces,hardtodistinguish.Soyoudon’tthinkaboutappearanceatall,youjustwanttoreceivegiftsasmuchaspossible.Inthiscase,howmanybrides’giftscanyoufirsttrytolookat,roughlyfindoutthedetailsoftheprinces,andthenstarttoseriouslyconsiderandchoosethefirstprincewithmorebridepricethanallthepreviousprinces?

A1B37C50D63第5題Ifyourandomlyselect3playingcardsfromadeckofplayingcards(Apackofplayingcardsremovedtwokingsis52cardsintotal),whatwillbetheprobabilityofflush,straight,straightflushandleopardwasfromsmalltolarge?

Aleopard,straightflush,flush,straightBleopard,straightflush,straight,flushCstraightflush,leopard,straight,flushDstraightflush,leopard,flush,straight第6題Ifyouneedtoensurethattheprobabilityofatleasttwopeople’sbirthdaysbeingthesamedayisnotlessthan50%,howmanypeopleareneededatleast?(365daysperyear)A23B183C253D365第7題Atleasthowmanypeopleareneededtoensurethattheprobabilitythatsomeone’sbirthdaybeingthesameasyoursismorethan50%?(365daysperyear)A23B183C253D365第8題Howmanyfourdigitnumberscanthesefourdialsmakeup?A4B9999C10000D10第9題Amongthe5ticketswiththesameappearance,oneisthewinningticket,andnow5peopledraw1fromeachofthemaccordingtothesequence,sotheprobabilityofthese5peoplegettingthewinningticketisthesame.第10題Inourlife,nomatterthedrawingoflotsorlotterydraw,aslongastheorganizer’soperationprocessistrueandfair,thenthisdrawingoflotsorlotterydrawactivityisfairandreasonableforeachperson.

第11題If3playingcardswererandomlyselectedfromasetofplayingcards(Apackofplayingcardsremovedtwokingsis52cardsintotal),theprobabilityofflushwillbelowerthanthatofstraight(bothflushandstraightdidnotincludethesituationofflushstraight).第12題If5playingcardswererandomlyselectedfromasetofplayingcards(Apackofplayingcardsremovedtwokingsis52cardsintotal),theprobabilityofflushwillbelowerthanthatofstraight(bothflushandstraightdidnotincludethesituationofflushstraight).第13題If3playingcardswererandomlyselectedfromasetofplayingcards(Apackofplayingcardsremovedtwokingsis52cardsintotal),theprobabilityofleopardwillbelowerthanthatofflushstraight第14題Whichofthefollowingaredeterministicphenomena.AThesunrisesintheEast.BThesamechargerepelseachother.CTheyhaveexactlythesamebirthday.DIndecimal,1+1=2.正確答案：ABD第15題Whataretherandomphenomenadescribedinthefollowinglanguage?ATodayisThursday,andtomorrowisFriday.BTossacoin,faceup.CItwillraintomorrow.DPassingtheintersectionwithtrafficlights,Ihappentomeettheredlight.正確答案：BCD第16題TheChinesewelfarelotterystartedin1987withthepurposeof“unitingpeoplefromallwalksoflifewhoareenthusiasticaboutsocialwelfareundertakings,carryingforwardthesocialisthumanitarianspirit,raisingsocialwelfarefunds,settingupwelfareundertakingsforthedisabled,theelderly,orphansandhelpingthoseinneed”.Thatis,whatisthepurpose?Subsequently,ChinaWelfareLotteryDistributionCenterwassetupastheissuinginstitution.Next,ChinaWelfareLotteryDistributionCenterwassetupastheissuinginstitution.AHelptheold.BHelpthedisabled.CHelptheorphans.DHelpthepoor.正確答案：ABCD第17題IfthesensitivityofabloodtestforAIDSis95%,theaccuracyofthetestforthosewhodonothavethediseaseis99%.NowthereareaboutoneinathousandpeoplewhosufferfromthediseaseinthecountrywhereZhangSanlives.Thenthefollowingoptions,whicharecorrect?ATheprobabilityofHIVnegativeis0.BTheprobabilityofHIVpositiveis100%.CTheprobabilityofHIVnegativeisabout0.0051%.DTheprobabilityofHIVpositiveisabout8.7%.正確答案：CD第18題Underthesameconditions,bothAandBshot5timesrespectively,andthenumberofhitringswasasfollows:A:6,5,9,10,10;B:7,6,9,9,9.Thenthefollowingoptions,whicharecorrect?ATheaveragenumberofringsofAisequaltotheaveragenumberofringsofB.BThevarianceofringnumberofAisgreaterthanthatofB.CAismorestablethanB.DBismorestablethanA.正確答案：BFHAD第19題FromAtoB,youcantakeatrain,acaroraship.Inaday,thereare4trains,2carsand3ships.Question:HowmanydifferentwaysdoyoutakethesevehiclesfromAtoBinaday?A24B9C4D2第20題IfyouwanttogofromAtoB,youneedtogofromAtoCbytrainfirst,andthentakeabusfromCtoBthenextday.Thereare5trainsand4cars.Question:HowmanydifferentwaysdoyougofromAtoBintwodays?A20B9C5D4Test:Electromagneticwaves第1題China'sindependentlydevelopednavigationsystemis().AGPSsystemBGLONASSsystemCBeidousystemDGalileosatellitenavigationsystem第2題Thenavigationsystemworksbyemitting().Amechanical

waveBelectromagneticwaveCultrasonic

wave第3題Theelectromagneticwaveswithfrequencyas()arecollectivelyreferredtoasradiowaves.Abelow30gigahertzBabove30gigahertz第4題WirelesstelegraphyUSES()toconveyinformation.AmicrowaveBsound

waveCtheXrayDradiowave第5題Whichofthefollowingareelectromagneticwaves?（）AradiowaveBmicrowaveCinfraredandultravioletDsound

wave正確答案：ABC第6題Metalvesselswill()microwave,waterwill()microwave.Areflect,reflectBreflect,absorbCabsorb,absorbDabsorb,reflect,第7題ThefatheroftheChineseskyeyeis().AYongtanLiuBYigongShiCRendongNanDZhenningYang第8題Theelectromagneticgunisboth()electromagneticwaveand()infraredray.Acanreflect,canreflectBcannotreflect,cannotreflectCcannotreflect,cannotsendoutDcan

reflect,cannotsendout第9題Microwavesbelongto().AradiowaveBelectromagneticwaveCultra-highfrequencyradiowavesD

light

wave正確答案：ABC第10題Whichofthefollowingarepracticalapplicationsofmicrowaves?（）AradarandcommunicationsBfoodsterilizationCheatingthefoodDthermalinfraredguidance正確答案：ABC第11題()usesradartechnologyinthefollowingchoices.AremoteprobeBautomobilereversingCvelocitymeasurement正確答案：ABC第12題Electromagneticwavesof400nm-760nmarecalled().AinfraredrayBvisiblelightCultraviolet

ray第13題Animalsthatcanseeinfraredlightare().ApeopleBsnakesCgoldfishDbees第14題Traceamountsof()canpromotetheabsorptionofcalciuminthebody.Aultraviolet

rayBinfraredrayCvisiblelight第15題Althoughultravioletrayandinfraredrayhavecertainphysiotherapyeffecttothehumanbody,butinappropriateuseofthemalsocancauseharmtothebody.第16題In1895,scientist()discoveredX-rays.ADescartesBMadameCurieCRoentgenDMarcoPolo第17題Bothx-raysandradiationareallelectromagneticwaves.X-raysareproducedby()stimulatedradiation,andradiationisproducedby()stimulatedradiation.Atheinnerelectronsofanatom,thenucleusBthenucleus,theinnerelectronsofanatomCthenucleus,thenucleusDtheinnerelectronsofanatom,theinnerelectronsofanatom第18題X-rayscanpenetrate().AwoodBglassCleadDplatinum正確答案：AB第19題X-rayhastheionizingradiation,andcanaffectthelifeandhealth.第20題TheionizingpowerofXrayisgreaterthanthatofγray,andthepenetratingpowerofγrayisgreaterthanthatofXray.Test:NuclearRadiation第1題Ofthefollowingthreerays,()hasthestrongestpenetration.AαrayBβrayCγray第2題Theradiationproducedbynuclearradiationismainly().AionizingradiationBnonionizingradiation第3題Whatradiationdoesnuclearradiationproduce？（）AαrayBβrayCγrayDneutronray正確答案：ABCD第4題Bananascontainnaturalradioactivepotassium-40.第5題Nuclearradiationisproducedonlybynuclearexplosionsandaccidents.Mostsubstancesinnaturedonotemitnuclearradiation.第6題Theapplicationsofnuclearradiationinagriculturemainlyinclude().AirradiationbreedingBthestorageandpreservationofthefoodCfoodsterilizationDpestcontrol正確答案：ABCD第7題Comparedwithtraditionaltechnology,theuseofnuclearradiationtechnologytocontroldiseasesandinsectpestshastheadvantagesof().AnopesticidecontaminationBnoharmtothebeneficialinsectCnodrug

resistanceDlastingeffect正確答案：ABCD第8題Byradiation,somesortofbreakmayoccurinchromosomesornucleicacidmolecules.第9題Irradiatedfoodissafetoeat.第10題()isinternalradiationtherapy.ARadioactiveiodinetherapyBGamma

knifeCBoronneutroncaptureDProtonknife第11題Theclinicaltumortreatmentmethodsare().AoperationBchemotherapyCratiotherapy正確答案：ABC第12題Radioactiveiodinetherapyisaneffectivemethodforthetreatmentofthyroidcancer,whichisexternalradiationtherapy.第13題Neutronactivationanalysisisanactivationanalysismethod,whichusestheneutronsproducedby()asbombardmentparticles.AreactorBacceleratorCisotopicneutronsource正確答案：ABC第14題Whichofthefollowingaspectsofenvironmentalpollutioncanutilizenuclearradiation?（）ATreatmentofwastewater,wastegasandwasteBheavymetaldetectioninsoilCradongasdetectionDtreatmentofwaterpollution正確答案：ABCD第15題Somebuildingmaterialscanreleaseradon,acolorless,odorlessgasthatisradioactiveandharmfultothebody.第16題Nuclearradiationtreatmentofwastecanreducecosts.第17題In1980,scientistsmeasurediridiumincretaceousandtertiaryboundaryclaylayersinItalyandDenmarkbyusingthe()technology.AisotopicanalysisBnuclideanalysisCneutronactivationanalysis第18題Theapplicationofnucleartechnologyinarchaeologicalresearchcanhelptounderstandorjudge()ofsamples.AplaceoforiginBtimeCtechnology正確答案：ABC第19題ScientistCalvindiscoveredhowplantstakeCO2andreduceittocarbohydratesbyusingcarbon-14radionuclidesandautoluminescence.第20題Withoutradionuclidetracing,wewouldnotbeabletounderstandthestructureofthegeneticmaterialDNA.Test:UniversalUltrasound第1題

Thewhite-flagdolphin()ultrasound,()audiblesound.Asendout,sendoutBsendout,can'tsendoutCcan'tsendout,sendoutDcan'tsendout,

can'tsendout第2題Accordingtothedifferentfrequencies,thesoundcanbeclassifiedinto().AaudiosoundBultrasonic

wave

Cinfrasonic

wave正確答案：ABC第3題Thefollowinganimalswhocanemitanduseultrasoundis().AbatBmouseCgrasshopperDlocust正確答案：ABCD第4題Ultrasoundiseasytoformanarrowsoundbeam,cangiveoutabeamofsound,andcanspecifytheemissiondirectionofthisbeamofsound,soastojudgethedirectionoftheecho,toobtainthedirectionoftheobstacleinformation.第5題Soundisproducedbythevibrationofanobject.第6題Ultrasonicatomizerusesultrasonicenergytoatomizewater-solubledrugsintotinyfogsof1um-5um.第7題Bultrasoundisappliedtodiagnosethediseasebyusingthereflexlawofultrasoundindifferentpartsofthebodytissue.第8題Ultrasoundcannotonlyimageandhelpdoctorsdiagnose,butalsocancarryoutthetreatmentofdiseases.第9題Ultrasoniclithotripsytechnologyuseslowenergyultrasound.第10題Focusedultrasoundknifeuseshigh-intensityfocusedultrasound,thatis,highenergyultrasound.第11題Usingultrasonicwavetodetectthedefectsofindustrialpartsbelongsto().Anon-destructivetestingBdamagedetection第12題Ultrasonictestingcanbeappliedtodetectdefectsinmetalpartsofautomobilesandinnaturalgaspipelines.第13題Non-destructivetestingsometimesdestroysthestructureandfunctionofmechanicalparts.第14題IndustrialCTtechnologyisalsonon-destructivetesting.第15題Ultrasonicflawdetectioncanalsobeusedtodetectthestressofconnectingboltsonaircraft.第16題Whichofthefollowingutilizesthecavitationeffectofultrasound？（）AultrasonicvelocityBultrasonicflawdetectionCultrasonicimagingDultrasonicemulsification第17題Whichofthefollowingareapplicationsofultrasoniccavitation？（）AultrasoniccleaningBultrasonicemulsificationCultrasonicextractionDultrasonicatomization正確答案：ABCD第18題Whichofthefollowingcommoditiesarepreparedbyphacoemulsification?（）AjamBcosmeticsCbootandshoecreamDtomatosauce正確答案：ABCD第19題Ultrasoundcanproducealargenumberoftinybubblesintheliquid,andtheairpressureisverylargewhenthebubbleblasting.Theinstantaneoushighpressurecontinuestoimpactthesurfaceoftheobject,andtoachieveuniformandeffectivecleaningeffect.第20題Waterandoilcanformemulsionundertheactionofultrasound.Test:Magicalnanomaterials第1題Nanomaterialshavespecialmechanicalproperties,mainlyinthefollowingaspects?ASurfaceeffectBStrengthCFlexibilityDDuctility正確答案：ABCD第2題Whichofthefollowingareasarethespecialpropertiesofnanomaterials?AOpticsBHeatCMagnetismDDynamics正確答案：ABCD第3題Whatarethemainapplicationsofnanomaterials?AElectronicsBMaterialsScienceCMechanicsDBiology正確答案：ABCD第4題Thefollowingdevicesmadebyscientistsusingnanotechnologyare().AmolecularpumpBmicrolatheCsparrowsatelliteDmolecularmotor正確答案：ABCD第5題Whichofthefollowingfieldscanmagneticultrafineparticlesbeusedin?AElectroacousticdeviceBDampingdeviceCRotarysealDMagneticsensor正確答案：ABCD第6題Metrologicalrelationshipbetweennanometerandmeteris().A1nm=10-7mB1nm=10-8mC1nm=10-9mD1nm=10-10m第7題Nanostructuresareusuallysmallstructureswithasizerangeof(

).Ashorterthan1000nmBshorterthan100nmCshorterthan10nmDshorterthan5nm第8題Thediameterofhumanhairis().A80-100micronsB80-100NMC8-10micronsD8-10NM第9題Thescaleofthevirusis().A30-100micronsB30-100NMC3-10micronsD3-10NM第10題Thefirstscientisttoraisescientificandtechnologicalissuesonthenanoscaleis().ARichardFeynmanBLeonardodaVinciCIsaacNewtonDStephenWilliamHawking第11題Theconventionalmeltingpointofsilveris670℃,whilethemeltingpointofultrafinesilverparticlescanbelowerthan().A200℃B100℃C50℃D10℃第12題Thestrengthofhumanteethisveryhighbecausethematerialusedtomakeitis().ACalciumphosphatenanomaterialsBCalciumphosphatemicronmaterialCCalciumcarbonatenanomaterialsDMicromaterialofcalciumcarbonate第13題Theprincipleofnanomemoryismainlytodistributecarbonnanotubesonasheet-likesubstrate,andthestoragedensitycanreach().A10millionbytespersquarecentimeterB1billionbytespersquarecentimeterC10billionbytespersquarecentimeterD10trillionbytespersquarecentimeter第14題InOctober2017,Huawei's10nanometerKirin970chipintegratedwith()transistorsinanareaofabout1squarecentimeter.A550000B5.5millionC550millionD5.5billion第15題Carbonnanotubesareknownassuperfibersofthefuture.Theyare()timesstrongerthansteel,but()timesheavierthansteel.A10，1/2B50，1/3C80，1/4D100，1/6第16題Nanomaterialshavespecialopticalproperties.Allmetalsareblackinthestateofultrafineparticles.Thesmallerthesize,thedarkerthecolor.第17題Theconventionalmeltingpointofgoldis1,064℃,andwhentheparticlesizeisreducedto2nm,themeltingpointisonlyabout327℃.第18題Thereflectivityofmetalultrafineparticlestolightisverylow,usually1%,andthethicknessofaboutafewmillimeterscancompletelyextinction.第19題Thereasonwhylotusleavesdonottouchwateristhattheuppersurfaceoflotusleavesiscoveredwithmanypapillaewhicharesmallerthanrainwater.第20題Magnetotacticbacterialivinginwaterusethemagneticparticlesintheirbodiestoidentifythedirection.Test:ChemistryandHealth第1題Thefollowingdescriptionofwateriscorrect?()AWateristhesourceoflife,itsimportanceissecondonlytooxygen.BWateristhemostabundantnutrientinhumanbody.CWateristhemediumofhumanmetabolism.DWatercanmaintainthetransformationprocessofsubstanceandenergyinorganism.正確答案：ABCD第2題Thefollowingbelongtotheproteinclassificationis().AtoxinBenzymeCantibioticDstructuralprotein正確答案：ABCD第3題Whatkindsoftransfattyacidscanbedivided?().ANaturalBAnimalsterolCManualmanufacturingDPhytosterol正確答案：AC第4題Whicharethefunctionsofthefollowingsugarsare.().ACellmembraneandtissuecomponentsBMaintainingnormalneurologicalfunctionCPromotingthemetabolismoffatandproteininthebodyDReducingthepermeabilityofcapillariesandcellmembranes正確答案：ABC第5題Whicharethefollowingfatsolublevitamins?().AVitaminABVitaminBCVitaminDDVitaminK正確答案：ACD第6題Generally,thewaterlossofhumanbodyisabout()everyday.A500mlB1，350mlC2,650mlD4,250ml第7題ThefirstsyntheticproteinintheworldisthetotalsynthesisofcrystallinebovineinsulinbyChinesescientistsin()year.A1955B1965C1975D1985第8題Thefunctionofwhichofthefollowingsubstancesistoprovideenergyforthehumanbody,knownas"humanfuel"().AFatBproteinCwaterDinorganicsalt第9題Whichofthefollowingisanimalfat().AOilplantsBNutsCdairyDCerealcrop第10題Whichofthefollowingdoesnotbelongtothephysiologicalfunctionofphosphorus？（）ATopromotetheactivityofenzymeBToparticipateinthetransmissionofgeneticinformationinvivoCTomaintaintheacid-basebalanceofthebodyDTosupportandprotectbonesandteeth第11題Whichofthefollowingclassificationsarenotsugar?()AMonosaccharideBDisaccharideColigosaccharideDPolysaccharide第12題Whichofthefollowingsugarshasthehighestsweetness?

().AFructoseBGlucoseCGalactoseDMannose第13題WhatkindofdiseasecanvitaminAdeficiencycause?()ABeriberiBScurvyCNightblindnessDHemophilia第14題WhatkindofdiseasecanvitaminCdeficiencycause?().ABeriberiBScu