最新职称英语考试理工类A级真题.docx

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:

thefindingofthestudyismostsignificant