最新职称英语考试理工类A级真题.docx

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最新职称英语考试理工类A级真题

职称英语考试理工类A级真题

第一篇 SmallButWise【小而聪明】

  OnDecember14,NASA1blastedasmallbutmightytelescopeintospace.ThetelescopeiscalledWISEandisaboutaswidearoundasatrashcan.Don'tletitssmallsizefoolyou:

WISEhasapowerfuldigitalcamera,anditwillbetakingpicturesofsomethewildestobjects2intheknownuniverse,includingasteroids,faintstars,blazinggalaxies3andgiantcloudsofdustwhereplanetsandstarsarebom.

  “I'mveryexcitedbecausewe'regoingtobeseeingpartsoftheuniversethatwehaven'tseenbefore,”saidNedWright,ascientistwhodirectstheWISEproject.

  Sincearrivinginspace,theWISEtelescopehasbeencirclingtheEarth,heldbygravityinapolarorbit4(thismeansitcrossesclosetothenorthandsouthpoleswitheachlap5).Itscameraispointedoutward,awayfromtheEarth,andWISEwillsnapapictureofadifferentpartoftheskyevery11minutes.Aftersixmonthsitwillhavetakenpicturesacrosstheentiresky.

  ThepicturestakenbyWISEwon'tbelikeeverydaydigitalphotographs,however.WISEstandsfor“Wide-fieldInfraredSurveyExplorer.”Asitsnamesuggests,theWISEcameratakespicturesoffeaturesthatgiveoffinfraredradiation6.

  Radiationisenergythattravelsasawave.Visiblelight,includingthefamiliarspectrumoflight7thatbecomesvisibleinarainbow,isanexampleofradiation.Whenanordinarydigitalcameratakesapictureofatree,forexample,itreceivesthewavesofvisiblelightthatarereflectedoffthetree.Whenthesewavesenterthecamerathroughthelens,they'reprocessedbythecamera,whichthenputstheimagetogether.

  Wavesofinfraredradiationarelongerthanwavesofvisiblelight,soordinarydigitalcamerasdon'tseethem,andneitherdotheeyesofhumanbeings.Althoughinvisibletotheeye,longerinfraredradiationcanbedetectedaswarmthbytheskin.

  That'sakeyideatowhyWISEwillbeabletoseethingsothertelescopescan't.Noteverythingintheuniverseshowsupinvisiblelight.Asteroids,forexample,aregiantrocksthatfloatthroughspace—buttheyabsorbmostofthelightthatreachesthem.Theydon'treflectlight,sothey'redifficulttosee.Buttheydogiveoffinfraredradiation,soaninfraredtelescopelikeWISEwillbeabletoproduceimagesofthem.DuringitsmissionWISEwilltakepicturesofhundredsofthousandsofasteroids.

  Browndwarfs8areanotherkindofdeep-spaceobjectthatwillshowupinWISE'spictures.Theseobjectsare“failed”stars—whichmeanstheyarenotmassiveenoughtojumpstart9thesamekindofreactionsthatpowerstarssuchasthesun.Instead,browndwarfssimplyshrinkandcooldown.They'resodimthatthey'realmostimpossibletoseewithvisiblelight,butintheinfraredspectrumtheyglow.

  教材的原题:

  1.WhatissospecialaboutWISE?

  AItissmallinsizebutcarriesalargecamera.

  BItisassmallasatrashcan.

  CItsdigitalcameracanhelpastronomerstoseetheunknownspace.

  DNeverbeforehasatelescopecarriedadigitalcamerainspace.

  2.WhichisNOTthesynonymfortheword“snap”inthethirdparagraph?

 Amake.

 Bshoot.

  Ctake

  Dphotograph.

  3.ThecameraonWISE

  Aisnodifferentfromanordinarycamera.

  Bdoesnotseeinfraredradiationwhiletheordinarycameradoes.

  Ccatchestheinfraredradiationwhiletheordinarycameradoesnot.

  Dreflectslightthathumaneyescansee.

  4.WhichofthefollowingisNOTcorrectabout“asteroids”accordingtoparagraph7?

  AAsteroidsfloatthroughspacegivingoffvisiblelight.

  BAsteroidsdonotreflectlightthatreachesthem.

  CItisdifficulttotakeasteroids'picturesbyordinarycameras.

  DTheWISEtelescopecantakepicturesofasteroids

  5.Whatisimpliedinthelastparagraph?

  ABrowndwarfsgiveoffvisiblelight.

  BBrowndwarfsgiveoffinfraredradiation.

  CBrowndwarfsarepowerstarslikethesun.

  DBrowndwarfsareimpossibletoseewiththeWISEtelescope.

  答案

  1.C  2.A  3.C  4.A  5.B

第三篇:

Downloadknowledgedirectlytoyourbrain(正确下载知识到你的大脑)

  36:

whathaveresearchersbeenabletodowiththehelpofthestudy

  A:

makeapersonknowhowtodosomethingwithoutlearning

  B:

setupdifferentlearningpatternsfordifferentpeople

  C:

Enablepeopletolearnkungfuinstantly

  D:

Discoveraperson’slearningprocessinthebrain

  37:

whathelpsapersontodoaparticulartaskbetterinvisualperceptuallearning

  A:

TestingB:

EncouragementC:

RepetitionD:

self-assessment

  38:

whichofthefollowingstatementsistrueoftheexperimentparticipants

  A:

theywerenottoldwhattobelearnedintheexperiment

  B:

theylearnedhowtocontrolMRLmachinesintheexperiment

  C:

theywerepaidtotakepartintheexperiment

  D:

theywerenotcooperativeintheexperiment

  39:

thefindingofthestudyismostsignificantinthatlearning

  A:

isfulloffunB:

isvisualized

  C:

becomesunnecessaryD:

happensunconsciously

  40:

whoaremostlikelytobenefitfromthestability

  A:

seniorpeopleB:

teenagers

  C:

musiciansD:

Athletes

教材原题:

  SolarPowerwithoutSolarCells【没有太阳能电池的太阳能】

  AdramaticandsurprisingmagneticeffectoflightdiscoveredbyUniversityof

Michigan1researcherscouldleadtosolarpowerwithouttraditionalsemiconductor-based

solarcells.

  Theresearchersfoundawaytomakean“optical1,”saidStephenRand,aprofessor

inthedepartmentsofElectricalEngineeringandComputerScience,PhysicsandApplied

Physics.

  Lighthaselectricandmagneticcomponents.Untilnow,scientiststhoughtthe2ofthe

magheticfieldweresoweakthattheycouldbeignored.WhatRandandhiscolleaguesfound

isthatattherightintensity,whenlightistravelingthroughamaterialthatdoesnot

conductelectricity,thelightfieldcangeneratemagneticeffectsthatare100million

timesstrongerthan

  3expected.4thesecircumstances,themagneticeffectsdevelopstrengthequivalentto

astrongelectriceffect.

  “Thiscouldleadtoanewkindofsolarcellwithoutsemiconductorsandwithout

absorptiontoproducechargeseparation,”Randsaid.“Insolarcells,the5goesintoa

material,getsabsorbedandcreatesheat.Here,weexpecttohaveaverylowheatload2.

Insteadofthelightbeingabsorbed,energyisstoredinthemagneticmoment3.Intense

magnetizationcanbeinducedbyintenselightandthenitisultimatelycapableof

providingacapacitivepower6”Whatmakesthispossibleisapreviouslyundetectedbrand

of“opticalrectification4,”saysWilliamFisher,adoctoralstudent5inapplied

physics.Intraditionalopticalrectification,light'selectricfieldcausesacharge

separation,orapulling7ofthepositiveandnegativecharges6inamaterial.Thissets

upavoltage,similarto8inabattery.

  RandandFisherfoundthatundertherightcircumstancesandinrighttypesof

materials,thelight'smagneticfieldcanalsocreateopticalrectification.Thelightmust

beshonethrough7a

  9thatdoesnot10electricity,suchasglass.Anditmustbefocusedtoanintensity

of10millionwattspersquarecentimeter8.Sunlightisn'tthisintenseonitsown,butnew

materialsarebeingsoughtthatwouldworkatlowerintensities,Fishersaid.

  “Inourmostrecentpaper,weshowthatincoherentlight9likesunlightis

theoreticallyalmostas11inproducingchargeseparationaslaserlightis,”Fisher

said.

  Thisnew12couldmakesolarpowercheaper,theresearcherssay.Theypredictthatwith

improvedmaterialstheycouldachieve10percentefficiencyin13solarpowertouseable

energy.That'sequivalenttotoday'scommercial-gradesolarcells.

  “Tomanufacture14solarcells,youhavetodoextensivesemiconductorprocessing,”

Fishersaid.“Allwewouldneedarelensestofocusthelightandafibertoguideit.

Glassworksfor15It'salreadymadeinbulk10,anditdoesn'trequireasmuchprocessing.

Transparentceramicsmightbeevenbetter.”

  练习:

  1.AmicroscopeBinstrumentCfiberDbattery

  2.AmodificationsBeffectsCapplicationsDresults

  3.AfrequentlyBprivatelyCpreviouslyDformally

  4.AUnderBAtCOnDOver

  5.AfightBelectricityCchemicalDmagnetism

  6.AplantBequipmentCsourceDline

  7.AdownBupCtogetherDapart

 8.AthisBthatCthoseDit

  9.AmaterialBlensCmeterDdetector

  10.AproduceBconveyCuseDconduct

  11.AremoteBpoorCeffectiveDrare

  12.AprototypeBskillCtechniqueDmiracle

  13.AconvertingBobtainingCdeliveringDtransmitting

  14.AcompactBmodemCdurableDhandy

  15.AothersBsomeCallDboth

  答案

  1.D  2.B  3.C  4.A  5.A  6.C  7.D  8.B

  9.A  10.D  ll.C  12.C  13.A  14.B  15.D

  考试答案SolarPowerwithoutSolarCells

  原文中标注红色为今年考试的题目!

  1、Abattery2、Dcomponents

  3、Cignored4、Cconduct

  5、Aequivalent6、Dlight

  7、Dsource8、Dapar

  9、Athat10、Bmaterial

  11、Cintense12、Aas

  13、Dtechnology14、Cextensive

  15、Cboth

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