最新职称英语考试理工类A级真题Word格式.docx
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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
TestingB:
EncouragementC:
RepetitionD:
self-assessment
38:
whichofthefollowingstatementsistrueoftheexperimentparticipants
theywerenottoldwhattobelearnedintheexperiment
theylearnedhowtocontrolMRLmachinesintheexperiment
theywerepaidtotakepartintheexperiment
theywerenotcooperativeintheexperiment
39:
thefindingofthestudyismostsignificant