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2012年职称英语理工A类新增试题+第四+五篇SmallButWiseOnDecember14,NASA1blastedasmallbutmightytelescopeintospace.ThetelescopeiscalledWISEandisaboutaswidearoundasatrashcan.Don'tletitssmallsizefoolyou:WISEhasapowerfuldigitalcamera,anditwillbetakingpicturesofsomethewildestobjects2intheknownuniverse,includingasteroids,faintstars,blazinggalaxies3andgiantcloudsofdustwhereplanetsandstarsareborn.I'mveryexcitedbecausewe'regoingtobeseeingpartsoftheuniversethatwehaven'tseenbefore,saidNedWright,ascientistwhodirectstheWISEproject.Sincearrivinginspace,theWISEtelescopehasbeencirclingtheEarth,heldbygravityinapolarorbit4(thismeansitcrossesclosetothenorthandsouthpoleswitheachlap5).Itscameraispointedoutward,awayfromtheEarth,andWISEwillsnapapictureofadifferentpartoftheskyevery11minutes.Aftersixmonthsitwillhavetakenpicturesacrosstheentiresky.ThepicturestakenbyWISEwon'tbelikeeverydaydigitalphotographs,however.WISEstandsforWide-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一buttheyabsorbmostofthelightthatreachesthem.Theydon'treflectlight,sothey'redifficulttosee.Buttheydogiveoffinfraredradiation,soaninfraredtelescopelikeWISEwillbeabletoproduceimagesofthem.DuringitsmissionWISEwilltakepicturesofhundredsofthousandsofasteroids.Browndwarfs8areanotherkindofdeep-spaceobjectthatwillshowupinWISE'spictures.Theseobjectsarefailedstars一whichmeanstheyarenotmassiveenoughtojumpstart9thesamekindofreactionsthatpowerstarssuchasthesun.Instead,browndwarfssimplyshrinkandcooldown.They'resodimthatthey'realmostimpossibletoseewithvisiblelight,butintheinfraredspectrumtheyglow.词汇:trashcan/'træʃ,kæn/n.垃圾箱infrared/'infrə'red/adj.红外线asteroid/'æstərɔid/n.小行星dwarf/dwɔ:f/n.矮星注释:1.NASA(美国国家航空航天局)是缩写词,全称是NationalAeronauticsandSpaceAdministration2.thewildestobjects:任何你能想象得到的天体。wild有“未被人驯养的”“荒唐的”“离奇的”意思。3.faintstars,blazinggalaxies:指的是那些只能看到微弱的光和因燃烧而无法观察到的天体。4.polarorbit:极地轨道。指轨道平面与赤道面夹角为90。的人造地球卫星轨道。人造卫星运行时能到达南北极区上空,即卫星能飞经全球范围的上空。需要在全球范围内进行观测和应用的气象卫星、导航卫星、地球资源卫星等都采用这种轨道。5.lap:一圈。原指竞赛场的一圈或游泳池的一个来回,如:Sheovertooktheotherrunnersonthelastlap.她最后一圈超过了其他参赛者。6.infraredradiation:红外线辐射7.spectrumoflight:光谱,即,光辐射的波长分布区域。8.Browndwarfs:褐矮星。褐矮星非常暗淡,很难发现它们,要确定它们的大小就更加困难。9.jumpstart:启动练习:1.WhatissospecialaboutWISE?AItissmallinsizebutcarriesalargecamera.BItisassmallasatrashcan.CItsdigitalcameracanhelpastronomerstoseetheunknownspace.DNeverbeforehasatelescopecarriedadigitalcamerainspace.2.WhichisNOTthesynonymforthewordsnapinthethirdparagraph?Amake.Bshoot.CtakeDphotograph.3.ThecameraonWISEAisnodifferentfromanordinarycamera.Bdoesnotseeinfraredradiationwhiletheordinarycameradoes.Ccatchestheinfraredradiationwhiletheordinarycameradoesnot.Dreflectslightthathumaneyescansee.4.WhichofthefollowingisNOTcorrectaboutasteroidsaccordingtoparagraph7?AAsteroidsfloatthroughspacegivingoffvisiblelight.BAsteroidsdonotreflectlightthatreachesthem.CItisdifficulttotakeasteroids'picturesbyordinarycameras,DTheWISEtelescopecantakepicturesofasteroids5.Whatisimpliedinthelastparagraph?ABrowndwarfsgiveoffvisiblelight.BBrowndwarfsgiveoffinfraredradiation.CBrowndwarfsarepowerstarslikethesun.DBrowndwarfsareimpossibletoseewiththeWISEtelescope.答案与题解:1.C短文的第一和第二段提供了答案。WISE的特殊之处就在于,虽然体积小,但它的数码相机能拍到任何天体,所以能够帮助天文学家观测到宇宙空间中(intheknownuniverse)的未知天文现象。其他选项都不是短文表达的意思。2.Asnap是个多义词,可以解释为“拍照”,更为确切的意思是“拍快照”。这里shoot,take和photograph都是snap的同义词。3.C短文第六段和第四段提供了答案。人类的肉眼和普通相机看到的光是visiblelights,看不见红外线辐射(infraredradiation),而WISE的相机能够看到。4.A短文第七段第二句说并非所有的宇宙中的物体都会发出可见光,比如asteroids,所以A是正确选项。其他选项的内容都可以在该段中找到。5.B最后一段的第一句说,褐矮星能出现在WISE照片中,根据上文对WISE望远镜的描述只有WISE望远镜才能拍到红外线射线,所以B是正确选择。+第四十六篇AntsHaveBigImpactonEnvironmentasEcosystemEngineersResearchbytheUniversityofExeter1hasrevealedthatantshaveabigimpactontheirlocalenvironmentasaresultoftheiractivityasecosystemengineersandpredators.Thestudy,publishedintheJournalofAnimalEcology,foundthatantshavetwodistincteffectsontheirlocalenvironment.Firstly,throughmovingofsoilbynestbuilding2activityandbycollectingfoodtheyaffectthelevelofnutrientsinthesoil.Thiscanindirectlyimpactthelocalpopulationsofmanyanimalgroups,fromdecomposerstospeciesmuchhigherupthefoodchain.Secondly,theypreyonawiderangeofotheranimals,includinglargerpreywhichcanbeattackedbyvastnumbersofantworkers.DirkSanders,anauthorofthestudyfromtheuniversity'sCentreforEcologyandConservation,said:Ant
本文标题:2012年职称英语理工A类新增试题
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