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2012年职称英语考试理工类A级试题及参考答案
第一部分:词汇选项(第1〜15题,每题1分,共15分)
下面每个句子中均有1个词或者短语有括号,请为每处括号部分确定1个意义最为接
近的选项。
1.Heshiftedhispositionalittleinorderto(alleviate)thepaininhisle
g.
A.controlB.easyC.experienceD.suffer
2.Ouraimwasto(update)thehealthservice,andwesucceeded.
A.offerB.provideC.modernizeD.fund
3.Shemovesfromone(exotic)locationtoanother.
A.unusualB.familiarC.similarD.proper
4.Nothingwould(induce)metovoteforhimagain.
A.teachB.helpC.discourageD.attract
5.Thephotographs(evoked)strongmemoriesofourholidayinFrance.
A.refreshedB.storedC.blockedD.erased
6.Theweatherwas(crisp)andclearandyoucouldseethemountainsfiftymil
esaway.
A.hotB.heavyC.freshD.windy
7.Everyweekthemagazinepresentsthe(profile)ofawell-knownsportsperso
nality.
A.successB.descriptionC.evidenceD.plan
8.Hercommentsaboutmenare(utterly)ridiculouscompletely.
A.slightlyB.completelyC.partlyD.faintly
9.Thewallsaremadeof(hollow)concreteblocks.
A.bigB.emptyC.longD.now
10.Wealmost(raninto)aRolls-Roycethatpulledoutinfrontofuswithout
signaling.
A.overtookB.hitC.passedD.found
11.WhenIheardthenoiseinthenextroom,Icouldn'tresisthavinga(peep)
look.
A.chanceB.visitC.lookD.try
12.Hehasbeengranted(asylum)inFrance.
A.powerB.reliefC.protectionD.license
13.Hewas(weary)oftheconstantbattlebetweenthem.
A.fondB.tiredC.proudD.afraid
14.Newbornbabiescan(discriminate)betweenaman,sandawoman'svoice.
A.treatB.distinguishC.expressD.analyzes
15.Alltheflatsinthebuildinghadthesame(layout)arrangement.
A.colorB.sizeC.functionD.arrangement
答案:
alleviate-ease
update一modernize
exotic-unusual
induce一attract
evoked一refreshed
crisp一fresh
profile一description
utterly-completely
hollow-empty
raninto-hit
peep-look
asylum一protection
weary一tired
discriminate一distinguish
layout一arrangement
第二部分:阅读判断(第16〜22题,每题1分,共7分)
下面的短文后列出了7个句子,请根据短文的内容对每个句子做出判断;如果该句提
供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文
中没有提及,请选择C。
Europa?sWateryUnderworld
Europa,oneofJupiter's63knownmoons,looksbrightandicyonthesurf
ace.Butappearancescanbedeceiving:Mileswithinitscracked,frigidshell,
Europaprobablyhidesgiantpoolsofliquidwater.Wherescientistsfindliq
uidwater,theyhopetofindlifeaswell.
Sincewecan'tgodivingintoEuropa,sdepthsjustyet,scientistsinste
adhavetoinvestigatethemoon'ssurfaceforcluestowhatliesbeneath.In
anewstudy,scientistsinvestigatedonegroupofstrangeicepatternsonEur
opaandconcludedthattheformationsmarkthetopofanundergroundpooltha
tholdsasmuchwaterastheU・S.GreatLakes.
PicturesofEuropa,whichisslightlysmallerthanEarth'smoon,clearly
showatangled(错综复杂的),icymishmash(混合物)oflinesandcracksknowna
s"chaosterrains.(混乱土也形)"Thesechaoticplacescovermorethanhalfof
Europa.Formorethan10years,scientistshavewonderedwhatcausesthefor
mations.Thenewstudysuggeststhattheyarisefromthemixingofvastunder
groundstoresofliquidwaterwithicymaterialnearthesurface.
ForscientistswhosuspectthatEuropaalsomaybehidinglifebeneathit
sicysurface,thenewsaboutthenewlakeisexciting.
“Itwouldbegreatiftheselakesharboredlife,“BritneySchmidt,apla
netaryscientistwhoworkedonthestudy,toldScienceNews."Butevenifthe
ydidn't,theysaythatEuropaisdoingsomethinginterestingandactiverigh
tnow.n
Schmidt,ascientistattheUniversityofTexasatAustin,andhercollea
gueswantedtoknowhowchaosterrainsform.Sincetheycouldn,trockettoEu
ropatoseeforthemselves,theysearchedforsimilarformationshereonEart
h.TheystudiedcollapsediceshelvesinAntarcticaandicycapsonvolcanoes
inIceland.ThosefeaturesonEarthformedwhenliquidwatermixedwithice.
ThescientistsnowsuspectsomethingsimilarmightbehappeningonEuropa:t
hataswaterandiceofdifferenttemperaturesmingleandshift,thesurface
fractures.Thiswouldexplainthejumbled(?昆舌L的)icesculptures.
uFracturingcatastrophically(灾难性的)disruptstheiceinthesameway
thatitcausesiceshelvestocollapseonEarth,“SchmidttoldScienceNews.
Sheandherteamfoundthattheprocesscouldbecausingchaosterrainstofo
rmquicklyonEuropa.
Thenewstudysuggeststhatonthismoon,elementssuchasoxygenfromth
esurfaceblendwiththedeepbodiesofwater.Thatmixturemaycreateanenv
ironmentthatsupportslife.
16.TheliquidwaterofanundergroundpoolofEuropaisestimatedxxxxxoft
heUSGreatlakes.
A.RightB.WrongC.Notmention
17.ThestrangeicepatternsonEuropaareformedasaresultofaxxxxxunde
rgroundwaterpool.
A.RightB.WrongC.Notmention
18.EuropaisthemostrecentlydiscoveredoneamongJupiter's
A.RightB.WrongC.Notmention
19.ThesizeofEuropaisabitlargerthanthatofEarth,smoon.
A.RightB.WrongC.Notmention
20.SchmidtandhercolleaguesarethefirstgroupofscientistsxxxxxEurop
a.
A.RightB.WrongC.Notmention
21.TheformationsonEuropa?ssurfaceareratheruniqueinthe
A.RightB.WrongC.Notmention
22.Theexistenceofliquidwaterisanecessityforalife-support
A.RightB.WrongC.Notmention
【答案】:ABCBBBA
第三部分:概括大意和完成句子(第23〜30题,每题1分,共8分)
下面的短文后有2项测试任务:(1)第23〜26题要求从所给的6个选项中为指定段落
每段选择1个小标题;(2)第27~30题要求从所给的6个选项中为每个句子确定一个最
佳选项。
LearnaboutNobleGases(惰性气体)
1.Haveyoueverriddenonaballoon?Manytouristspotsofferballoonrides
inorderforpeopletoseethebeautyofaplacefromabove.Aballooncontai
nsanoblegascalledhelium.Formerly,balloonscontainedhydrogenbuthydro
genisveryflammableanddangerouswhenuncontrolled.Therefore,peopleshif
tedtohelium,whichissafer.Heliumissafebecauseithasthepropertieso
fthenoblegases.
2.Peopleoncebelievedthatnoblegasescouldn,tchemicallyreactatall.Fo
rthisreason,theywerecalledinertgases.TheywerealsoclusteredunderG
roup0intheoldperiodictablebecausescientistsbelievedthatthegasesh
avezerovalenceelectronsintheiroutershell.Thiswaslaterproventobe
untruewhensomenoblegascompoundswerediscovered.
3.Thegasesareelements,whichsharesimilarproperties.Thesepropertiesi
ncludebeingmonoatomic,colorless,odorless,beingabletoconductelectrici
ty,andhavinglowchemicalreactivity.NoblegasesincludeHelium,Neon,Arg
on,Krypton,XenonandRadon.TheseareallfoundinGroup18,intherightmo
stcolumnoftheperiodictable.Ifyoulookattheperiodictable,youwill
noticethattheseelementsaretheonlyones,whichdonothaveacharge.Hei
iumhasthelowestmolecular(分子的)weightwhileRadonistheheaviest.
4.Rememberthatchemicalreactionsoccurbecauseatomshave“valence“elect
rons,whichareelectronsintheiroutershell.Whentheoutershellis”unfi
lied”ortherequirednumberofelectronsisnotyetcomplete,theatomismo
rereactive.Noblegaseshaveafulloutershell,meaningthattheyhavecomp
leteelectronsintheiroutershell.Thiscompletenumbervaries.Forinstanc
e,theoutershellofHeliumhas2valenceelectronswhiletheoutershellof
Xenonhas8electrons.Nowadays,thereremainstobeafewnoblegasesbecau
seoftheinherentlowchemicalreactivityofthesesaidgases.
5.Becauseoftheirproperties,noblegaseshavemanyimportantapplications.
Theyarewidelyusedinrecreation,medicineandindustries.Forinstance,L
iquidHeliumisusedforsuperconductingmagnets(磁体).Thesemagnetsareve
ryimportantinphysicsandmedicine.Whenadoctorsuspectsthataperson,s
brainhasbeendamaged,hemightrequestforMagneticResonanceImaging(MRI).
MRIallowsthedoctorto“see"thebrain,withoutoperatingonthepatient.
23.Paragraph2
24.Paragraph3
25.Paragraph4
26.Paragraph5
【答案】:ECDA
选项:
A.Whataretheapplicationsofnoblegases?
B.Howwerenoblegasesdiscovered?
C.Whatarenoblegases?
D.Whatcausethelowchemicalreactivityofnoblegases?
E.Howwerenoblegasesunderstoodinthepast?
F.Whatistheperiodictable?
27.Noblegasesarenotverychemically_____.
28.AmongtheelementsofnoblegasesHeliumisthe___.
29.Therequirednumberofelectronsinnoblegases'outershellis.
30.MRImaymakeoperatingonthepatient.
【答案】:FCBA
选项:
A.unnecessary
B.complete
C.lightest
D.important
E.flammable
F.reactive
第四部分:阅读理解(第31〜45题,每题3分,共45分)
下面有3篇短文,每篇短文后有5道题。请根据短文内容,为每题确定1个最佳选项。
第一篇
SmallButWise
OnDecember14,NASAblastedasmallbutmightytelescopeintospace.Thetele
scopeiscalledWISEandisaboutaswidearoundasatrashcan.Don,tletits
smallsizefoolyou:WISEhasapowerfuldigitalcamera,anditwillbetakingpic
turesofsomethewildestobjectsintheknownuniverse,includingasteroids,faint
stars,blazinggalaxiesandgiantcloudsofdustwhereplanetsandstarsareb
orn.
"I'mveryexcitedbecausewe'regoingtobeseeingpartsoftheuniverse
thatwehaven'tseenbefore,“saidNedWright,ascientistwhodirectsthe
WISEproject.
Sincearrivinginspace,theWISEtelescopehasbeencirclingtheEarth,h
eldbygravityinapolarorbit(thismeansitcrossesclosetothenorthand
southpoleswitheachlap).Itscameraispointedoutward,awayfromtheEarth,
andWISEwillsnapapictureofadifferentpartoftheskyevery11minute
s.Aftersixmonthsitwillhavetakenpicturesacrosstheentiresky.
ThepicturestakenbyWISEwon,tbelikeeverydaydigitalphotographs,how
ever.WISEstandsfor^Wide-fieldInfraredSurveyExplorer.”Asitsnamesu
ggests,theWISEcameratakespicturesoffeaturesthatgiveoffinfraredradi
ation.
Radiationisenergythattravelsasawave.Visiblelight,includingthef
amiliarspectrumoflightthatbecomesvisibleinarainbow,isanexampleof
radiation.Whenanordinarydigitalcameratakesapictureofatree,forexam
pie,itreceivesthewavesofvisiblelightthatarereflectedoffthetree.W
henthesewavesenterthecamerathroughthelens,they,reprocessedbytheca
mera,whichthenputstheimagetogether.
Wavesofinfraredradiationarelongerthanwavesofvisiblelight,soord
inarydigitalcamerasdon'tseethem,andneitherdotheeyesofhumanbeing
s.Althoughinvisibletotheeye,longerinfraredradiationcanbedetectedas
warmthbytheskin.
That'sakeyideatowhyWISEwillbeabletoseethingsothertelescopes
can,t.Noteverythingintheuniverseshowsupinvisiblelight.Asteroids,f
orexample,aregiantrocksthatfloatthroughspace——buttheyabsorbmostof
thelightthatreachesthem.Theydon,treflectlight,sotheyyredifficultto
see.Buttheydogiveoffinfraredradiation,soaninfraredtelescopelikeW
ISEwillbeabletoproduceimagesofthem.DuringitsmissionWISEwilltake
picturesofhundredsofthousandsofasteroids.
Browndwarfsareanotherkindofdeep-spaceobjectthatwillshowupinW
ISE,spictures.Theseobjectsare“failed”stars-whichmeanstheyarenotma
ssiveenoughtojumpstartthesamekindofreactionsthatpowerstarssucha
sthesun.Instead,browndwarfssimplyshrinkandcooldown.They'resodimt
hatthey,realmostimpossibletoseewithvisiblelight,butintheinfrareds
pectrumtheyglow.
31.WhatissospecialaboutWISE?
A.Itisassmallasatrashcan.
C.Neverbeforehasatelescopecarriedadigitalcamerainspace.
B.Itissmallinsizebutcarriesalargecamera.
D.Itsdigitalcameracanhelpastronomerstoseetheunknownspace.
32.ThecameraonWISE
A.producesimagesofobjectsgivingoffinfraredradiation.
B.isequippedwithexpensivecomputers
C.reflectslightvisibletothehumaneye
D.issimilartoanordinarydigitalcamera
33.Itistruethatinfraredradiation
A.isnotdetectabletohuman
B.looksbrightthanvisiblelight
C.isvisiblelightreflectedoffanobject
D.haslongerwavesthatthoseofvisiblelight
34.WhichofthefollowingstatementsaboutasteroidisNOTtrue?
A.TheWISEtelescopecantakepicturesofasteroids.
B.Theydonotreflectlightthatreachesthem.
C.Theyareinvisibletoordinarycamera.
D.Theyfloatthroughspacegivingoffvisiblelight.
35.Itcanbeinferredfromthelastparagraphthatbrowndwarfs?
A.arepowerstarslikethesun.
B.giveoffvisiblelight.
C.becomemassiveandactive.
D.areinvisibletotheWISEtelescope.
【答案】:DADDB
DownloadKnowledgeDirectlytoYourBrain
Forthefirsttime,researchershavebeenabletohackintotheprocessofle
arninginthebrain,usinginducedbrainpatternstocreatealearnedbehavio
r.It'snotquiteasadvancedasaninstantkung-fudownload,andit'snota
ssleekascognitiveinception,butit'sstillanimportantfindingthatcoul
dleadtonewteachingandrehabilitationtechniques.
Futuretherapiescoulddecodethebrainactivitypatternsofanathleteora
musician,andusethemasabenchmarkforteachinganotherpersonanewactiv
ity,accordingtotheresearchers.
ScientistsfromBostonUniversityandATRComputationalNeuroscienceLaborato
riesinKyotousedfunctionalmagneticresonanceimaging,orfMRI,tostudyt
helearningprocess.Theywereexaminingtheadultbrain,saptitudeforvisua
1perceptuallearning,orVPL,inwhichrepetitivetrainingimprovesaperso
n'sperformanceonaparticulartask.Whetheradultscandothisaswellasy
oungpeoplehasbeenanongoingdebateinneuroscience.
LedbyBUneuroscientistTakeoWatanabe,researchersusedamethodcalleddec
odedfMRIneurofeedbacktostimulatethevisualcortex.Firsttheyshowedpar
ticipantscirclesatdifferentorientations.ThentheyusedfMRItowatchthe
participants?brainactivity.Theresearcherswerethenabletotrainthepa
rticipantstorecreatethisvisualcortexactivity.
ThevolunteerswereagainplacedinMRImachinesandaskedtovisualizeshape
sofcertaincolors.Theparticipantswereaskedtousomehowregulateactivit
yintheposteriorpartofthebrain”tomakeasolidgreendiscaslargeas
theycould.Theyweretoldtheywouldgetapaidbonusproportionaltothesi
zeofthisdisc,buttheyweren,ttoldanythingaboutwhatthediscmeant.Th
eresearcherswatchedtheparticipants?brainactivityandmonitoredtheacti
vationpatternsintheirvisualcortices.
uParticipantscanbetrainedtocontroltheoverallmeanactivationofanen
tirebrainregion,“thestudyauthorswrite,“ortheactivationinoneregio
nrelativetothatinanotherregion.”
Thisworkedevenwhentestsubjectswerenotawareofwhattheywerelearning,
theresearcherssaid.
“Themostsurprisingthinginthisstudyisthatmereinductionsofneurala
ctivationpatternscorrespondingtoaspecificvisualfeatureledtovisualp
erformanceimprovementonthevisualfeature,withoutpresentingthefeature
orsubjects'awarenessofwhatwastobelearned,“Watanabesaidinastateme
nt.
Watanabeandcolleaguessaidthismethodcanbeapowerfultool.
“Itcan'incept'apersontoacquirenewlearning,skills,ormemory,orpo
ssiblytorestoreskillsorknowledgethathasbeendamagedthroughaccident,
disease,oraging,withoutaperson?sawarenessofwhatislearnedormemori
zed,“theywrite.
36.Whathaveresearchersbeenabletodowiththehelpofthestudy?
A.makeapersonknowhowtodosomethingwithoutlearning
B.setupdifferentlearningpatternsfordifferentpeople
C.Enablepeopletolearnkungfuinstantly
D.DiscoverapersonJslearningprocessinthebrain
37.Whathelpsapersontodoaparticulartaskbetterinvisualperceptual1
earning?
A.Testing.
B.Encouragement.
C.Repetition.
D.self-assessment.
38.Whichofthefollowingstatementsistrueoftheexperimentparticipants?
A.Theywerenottoldwhattobelearnedintheexperiment.
B.TheylearnedhowtocontrolMRLmachinesintheexperiment.
C.Theywerepaidtotakepartintheexperiment.
D.Theywerenotcooperativeintheexperiment.
39.Thefindingofthestudyismostsignificantinthatlearning
A.isfulloffun
B.isvisualized
C.becomesunnecessary
D.happensunconsciously
40.Whoaremostlikelytobenefitfromthestability?
A.seniorpeople
B.teenager
C.musicians
D.Athletes
【答案】:DCBBA
第三篇
GrossNationalHappiness
Inthelastcentury,newtechnologyimprovedthelivesofmanypeopleinmany
countries.However,onecountryresistedthesechanges.HighintheHimalaya
nmountainsofAsia,thekingdomofBhutanremainedseparate.Itspeopleand
Buddhist(佛教)culturehadnotbeenaffectedforalmostathousandyears.Bhu
tan,however,wasapoorcountry.Peoplediedatayoungage.Mostofitspe
oplecouldnotread,andtheydidnotknowmuchabouttheoutsideworld.The
n,in1972,anewrulernamedKingJigmeSingyeWangchuckdecidedtohelpBhut
antobecomemodern,butwithoutlosingitstraditions.
KingWangchucklookedatothercountriesforideas.Hesawthatmostcountrie
smeasuredtheirprogressbytheirGrossNatonalProduct(GNP)。TheGNPmeas
uresproductsandmoney.Whenthenumberofproductssoldincreases,peoples
aythecountryismakingprogress.KingWangchuckhadadifferentideaforBh
utan.Hewantedtomeasurehiscountry'sprogressbypeople'shappiness.If
thepeople'shappinessincreased,thekingcouldsaythatBhutanwasmaking
progress.Todecideifpeoplewerehappier,hecreatedameasurecalledGross
NationalHappiness(GNH)。
GNHisbasedoncertainprinciplesthatcreatehappiness.Peoplearehappier
iftheyhavehealthcare,education,andjobs.Theyarehappierwhentheyli
veinahealthy,protectedenvironment.Theyarehappierwhentheycankeept
heirtraditionalcultureandcustoms.Finally,peoplearehappierwhentheyh
aveagood,stablegovernment.
NowtheseissomeevidenceofincreasedGNHinBhutan.Peoplearehealthiera
ndarelivinglonger.Morepeopleareeducatedandemployed.Twenty-fiveperc
entofthelandhasbecomenationalparks,andthecountryhasalmostnopoll
ution.TheBhutanesecontinuetoweartheirtraditionalclothingandfollowt
heirancientBuddhistcustoms.Bhutanhasalsobecomeademocracy.In2008,Ki
ngWangchuckgavehispowertohisson.Althoughthecountrystillhadakin
g,ithelditsfirstdemocraticelectionsthatyear.Bhutanhadpoliticalpar
tiesandpoliticalcandidatesforthefirsttime.Finally,Bhutanhasconnect
edtotherestoftheworldthroughtelevisionandinternet.
Bhutanisasymbolforsocialprogress.Manycountriesarenowinterestedin
Bhutan,sGNH.Thesecountriesareinvestigatingtheirownwaystomeasurehap
piness.Theywanttocreatenewpoliciesthattakecareoftheirpeople,cultu
res,andland.
BrazilmaybethenestcountrytousetheprinciplesofGNH.Brazilianleader
sseetheprinciplesofGNHasasourceofinspiration.Brazilisalargecou
ntrywithadiversepopulation.Ifhappinessworksasameasureofprogressi
nBrazil,perhapstherestoftheworldwillfollow.
41.WhowasJigmeSingyeWangchuck?
A.Apresident.
B.ABuddhistpriest.
C.Ageneral.
D.Aking.
42.ApartfrommodernizingBhutan,whatelsedidWangchuckwanttodoforBhu
tan?
A.Tomakeitspopulationgrow.
B.Tokeepitseparatefromtheworld.
C.Toencourageitspeopletogetrich.
D.Tokeepitstraditionandcustoms.
43.AcountryshowsitsprogresswithGNPby
A.sellingmoreproducts.
B.spendingmoremoney.
C.spendinglessmoney.
D.providingmorejobs.
44.AccordingtoGNH,peoplearehappierifthey
A.havenewtechnology.
B.canchangetheirreligion.
C.haveagood,stablegovernment.
D.havemoremoney.
45.Today,manycountriesare
A.usingtheprinciplesofGNHtomeasuretheirprogress.
B.workingtogethertodevelopacommonscaletomeasureGNH.
C.takingbothBhutanandBrazilassymbolsforsocialprogress.
D.tryingtofindtheirownwaystomeasurehappiness.
【答案】:DDACD
第5部分:补全短文(第46〜50题,每题2分,共10分)
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将
其分别放回原有位置,以恢复文章面貌。
TheMysteriesofNazca
InthedesertofPeru,300kilometersfromLima,oneofthemostunusual
artworksintheworldhasmystified(迷惑)peoplefordecades.(46)Butfrom
highabove,thesemarksarehugeimagesofbirds,fish,seashells,allbeauti
fullycarvedintotheearth.
TheNazcalinesaresodifficulttoseefromthegroundthattheyweren?t
discovereduntilthe1930s,whenpilotsspottedthemwhileflyingoverthea
rea.Inall,thereareabout70differenthumanandanimalfiguresonthepla
in,alongwith900triangles,circles,andlines.
Researchershavefiguredoutthatthelinesareatleast1,500yearsold,
buttheirpurposeisstillamystery.(47)However,itwouldprobablybever
ytrickytoxxxxx(单词暂不明)andaspaceshipinthemiddleofpicturesofd
ogsandmonkeys.
Inthe1940s,anAmericanexplorernamedPaulKosoksuggestedthatthedr
awingsareachronicleG己录)ofthemovementofthestarsandplanets.(48)
xxxxxanastronomertestedhistheorywithacomputer,buthecouldn,tfinda
nyrelationbetweenthelinesandmovementsinspace.
Anotherexplanationisthatthelinesmayhavebeenmadeforreligiousre
asons.xxxxxresearcherTonyMorrisoninvestigatedthecustomsofpeopleint
heAndesxxxxxandlearnedthattheysometimespraybythesideoftheroad.
It'spossiblethatxxxxx,thelinesofNazcawerecreatedforasimilarpurpo
se.(49)Butxxxxxpeoplehaveneverconstructedanythingthisbig.
Recently,twootherscientists,DavidJohnsonandSteveMabee,havespecu
latedxxxxxlinescouldhavebeenrelatedtowater.Nazcaisoneofthedries
tplacesinthexxxxxreceivesonly2cmofraineveryyear.WhileJohnsonwas
searchingforxxxxxwatersourcesinthearea,henoticedthatsomewaterway
sbuiltancientxxxxxwereconnectedwiththelines.Johnsonbelievesthatth
eNazcalinesareagiantxxxxxundergroundwaterinthearea.(50)
A.Otherscientistsarenowsearchingforevidencetoprovethis.
B.ASwisswriternamedErichVonDanikenwrotethattheNazcalinesweredes
ignedasalandingplaceforUFOs.
C.Scholarsdifferininterpretingthepurposeofthedesigns.
D.Thelargestpicturesmayhavebeenthesitesforspecialceremonies.
E.Seenfromtheground,itlookslikelinesscratchedintotheearth.
F.HecalledNazca“thelargestastronomybookintheworld”.
46〜50题【答案】:EBFDA
第6部分:完形填空(第51〜65题,每题1分,共15分)
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。
SolarPowerwithoutSolarCells
AdramaticandsurprisingmagneticeffectoflightdiscoveredbyUniversityo
fMichiganresearcherscouldleadtosolarpowerwithouttraditionalsemicond
uctor-basedsolarcells.
Theresearchersfoundawaytomakean"optical______(51),〃saidStephenRan
d,aprofessorinthedepartmentsofElectricalEngineeringandComputerScie
nee,PhysicsandAppliedPhysics.
Lighthaselectricandmagnetic(52).Untilnow,scientiststhoughtthe
effectsofthemagneticfieldweresoweakthattheycouldbe_____(53).W
hatRandandhiscolleaguesfoundisthatattherightintensity,whenlight
istravelingthroughamaterialthatdoesnot______(54)electricity,theli
ghtfieldcangeneratemagneticeffectsthatare100milliontimesstrongert
hanpreviouslyexpected.Underthesecircumstances,themagneticeffectsdeve
lopstrength(55)toastrongelectriceffect.
“Thiscouldleadtoanewkindofsolarcellwithoutsemiconductorsandwitho
utabsorptiontoproducechargeseparation,,zRandsaid.〃Insolarcells,the
(56)goesintoamaterial,getsabsorbedandcreatesheat.Here,weex
pecttohaveaverylowheatload.Insteadofthelightbeingabsorbed,energ
yisstoredinthemagneticmoment.Intensemagnetizationcanbeinducedbyi
ntenselightandthenitisultimatelycapableofprovidingacapacitivepowe
r(57).〃Whatmakesthispossibleisapreviouslyundetectedbrandof
“opticalrectification,saysWilliamFisher,adoctoralstudentinappliedp
hysics.Intraditionalopticalrectification,light'selectricfieldcausesa
chargeseparation,orapulling_____(58)ofthepositiveandnegativecha
rgesinamaterial.Thissetsupavoltage,similarto(59)inabatte
ry.
RandandFisherfoundthatundertherightcircumstancesandinrighttypeso
fmaterials,thelight'smagneticfieldcanalsocreateopticalrectification
Thelightmustbesh
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