版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1
1
PAGE
1
6OBVUIPSJ[FEDPQZJOHPSSFVTFPGBOZQBSUPGUIJTQBHFJTJMMFHBM.
ReadingTest
65MINUTES,52QUESTIONS
TurntoSection1ofyouranswerssheettoanswerthequestionsinthissection.
DIRECTIONS
&BDIQBTTBHFPSQBJSPGQBTTBHFTCFMPXJTGPMMPXFECZBOVNCFSPGRVFTUJPOT.AGUFSSFBEJOHFBDIQBTTBHFPSQBJS,DIPPTFUIFCFTUBOTXFSUPFBDIRVFTUJPOCBTFEPOXIBUJTTUBUFEPSJNQMJFEJOUIFQBTTBHFPSQBTTBHFTBOEJOBOZBDDPNQBOZJOHHSBQIJDT(TVDIBTBUBCMFPSHSBQI).
Line
5
10
15
20
25
Questions1-10arebasedonthefollowingpassage.
5IJTQBTTBHFJTBEBQUFEGSPN(BJM5TVLJZBNB,NightofManyDreams.ª1998CZ(BJM5TVLJZBNB.&NNBIBTTBJMFEGSPN)POHKPOHUPUIF6OJUFE4UBUFTJO1950UPBUUFOEDPMMFHF.
NotquitethreeweeksafterleavingHongKong,EmmachangedintoacottoncheungsamandfinallysetfootonPier19inSanFrancisco.Thelate-afternoonsunfeltmuchcoolerthansheexpected.Bythetimeshesaidatearfulgood-byetotheotherpassengers,thenfoundherluggagewaitingonthedock,Emmafeltscaredandalone.SisterMadeleinefromthecollegehadpromisedinherlastlettertohavesomeonewaitingforher,butnooneappeared.Theairsmelledsaltyandmetallic.Thesunlighthadgivenwaytoshade.Emmawaitedasthepassengersdisembarkedandthecrowddissipated.Whatwouldbecomeofher?Aloneonthepier,shelistenedforthevoicesofMah-meeandAuntieGotellingherwhattodo,buttheyseemedlostacrosstheocean.EmmatookadeepbreathandthoughtofhersisterJoan’sadvice:WhatwouldLaurenBacalldo?ShedecidedtotakeataxitoLoneMountainCollege.
Asympatheticcabdriver,himselfanimmigrantfromRussia,waskindandhelpful.“You’reasmartone,takingtaxi.Thesedocksisnogoodatnight,”hesaid,histhick,bushymustachemovingupanddownashetalked.“Don’tworry,Sergeiisgettingyoutoyourschoolniceandsafe.”
Emmawatchedashebodedherluggageintothe
trunk,thenopenedthereardoorandwaitedforhertostepin.Hewasshortandheavyset,yetlightandquickonhisfeet.Hishairwaslongerthananyotherman’sshe’deverseenbefore,havinginuneven
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
30strandsbelowthebackcollarofhisplaidshirt.Shewrappedhersweatercloseragainstthecoldwind,happytobeinthesafeconfinesofthecab.
Sergeiturnedaroundandlookedoverhisshoulder.“We’lltakescenicroute.Iwanttobefirst
35onetoshowyouthisgreatcity!”
Emmafeltsuddenlywarm.“No,Ihaveto...”“Don’tworry.Noextracostforyou.Sitback!
Enjoy!”Hewinkedandstartedthecarwithagreatroaroftheengine.
40 Emma’sfearquicklydisappearedasSergeidrovealongtheEmbarcaderotowardthebrightlightsofaplacehecalledFisherman’sWharf.Emmafixedhergazeoutthewindowatthelargebuildingsandthebigcarsparkedalongthewide,openstreets—soclean
45anduncluttered.
“Thisiswhereyoucaneatbestcrabsinalltheworld!”Sergeiboasted.
Whenthecabturneddownanarrowstreettowardtheharbor,Emmahadafullviewofthesmall
50fishingboatsdockedinthecrowdedmarina,andshesmiledatthehopefulnamespaintedontheirbows—TheLuckyStar,Mary’sDream,TheFullCatch,APotofGold.Shesatforwardandrolleddownherwindow,inhalingthedistinctaromasof
55freshfishandcrabs.Inthenarrowstreet,Emmacouldalmostreachoutthewindowtotouchthecrabs
2018年12月北美
CONTINUE
1
1
CONTINUE
PAGE
10
6OBVUIPSJ[FEDPQZJOHPSSFVTFPGBOZQBSUPGUIJTQBHFJTJMMFHBM.
thatscrabbledovereachotherinboxes,waitingtobeboiledinalargeblackpot.
Fromthecrowdedwharf,Sergeiturnedontoa
60streethecalledColumbus.“Liketheexplorer,”hesaid,slowingdownashepeekedatherinhisrearviewmirror.“AndthisisNorthBeach,wherealltheItaliansliveandeat.”
Emmalookedawayfromthemirror.“From
65Italy?”
Henodded.“Atonetime.”
“AndwheredoalltheRussiansliveandeat?”“Whereverwecan,”Sergeiansweredwithlaugh.Hedroveseveralblocks,thenturnedright.“This
70isWashingtonStreet.Justremember,thefirstAmericanpresident.”ThenhemadeanotherrightturnontoGrantAvenue.“WearenowinheartofChinatown!”Histhickeyebrowsflashedupwardasheagaincaughthereyesinthemirror.
75 Emma’spulseraced.Chinatownappearedmuchsmallerthanshehadexpected.Restaurantsandstorefrontspaintedred,green,andgoldwerecrowdedtogetherintoseveralblocks.Sheturnedfromwindowtowindow,soakinginallshecould,
80seekingechoesofthelifeshe’dleftbehind.PreoccupiedfacesshemighthaveseeninWanchai,ordowninCausewayBay,rusheddownthebustlingGrantAvenue.Namesofstreetsflashedby—Jackson,Pacific,andbacktoBroadway.Asifheknewwhat
85shewasthinking,SergeicircledanddrovethroughChinatownagain.Emmasmiled,findingcomfortintheChinesecharacterswrittenonsignsandwindows:TheForbiddenCityNightclub,GoldenHarvest,KuoWahRestaurant,TheGreatWallof
90China...AsdifferentasthiswasfromHongKong,SanFrancisco’sChinatownheldthemostfamiliarsightsshe’dseeninweeks.
EmmaleanedforwardandwhisperedtoSergei,“Youareverykind.”
95 Hequicklyturnedbackwithasmile,hiswarmbreathtouchinghercheek.“Iknowhowitfeels.”
1
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..y..y..yy.y
Whichchoicebestsummarizesthepassage?
Onecharacterbeginsaquestforfriendship,whileanothercharacterbeginsaquestforknowledge.
Acharacterisisolatedaftertravelingfarfromherhome,butshemeetssomeonewhomakesherfeelmoreatease.
Acharacterrelivesthesightsandsoundsofadistantworld,butthensheabsorbsthesightsandsoundsofanewworld.
Onecharactermournsherlostfriendships,whileanothercharactersharesherlossandattemptstoconsoleher.
2
InsayingthatthevoicesofMah-meeandAuntieGoseem“lost”(line15),thenarratormostlikelymeansthattheyseem
strangeandunfamiliar.
desperateandunsure.
distantandirretrievable.
unappreciatedandmisjudged.
3
WhenSergeifirstmeetsEmma,heassumesthatshefeels
intimidatedbythecollegestaff.
waryofacceptinghelp.
dauntedbyhersurroundings.
anxiousaboutanunexpectedexpense.
4
Whichchoicebestrepresentsthetwodistinctmeaningsof“safe”asusedinlines24and32?
Cozy;sheltered
Convenient;reliable
Cautious;uncontroversial
Unharmed;protected
5
8
Basedonthepassage,Sergeicanmostlikelybecharacterizedas
generousandreassuring.
proudandboisterous.
curiousandinnocent.
poisedandserene.
6
Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?
Lines20-21(“You’re...night”)
Lines28-30(“His...shirt”)
Lines37-39(“Don’t...engine”)
Lines46-47(“This...boasted”)
7
Sergei’sreferencesto“theexplorer”(line60)and“thefirstAmericanpresident”(lines70-71)servemainlyto
revealhispassionforlearninghistoricaltrivia.
showhisdesiretohelpEmmamakeconnections.
introduceaserioussidetohisotherwisejovialnature.
portrayhisneedtoimpressEmmawithhisknowledge.
WhichchoicebestdescribesEmma’soverallperspectiveonChinatown?
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..yy.y
SheisastonishedthatithassomanysimilaritieswithHongKong’sneighborhoods.
Sheisoverwhelmedbytheenergeticpaceofthepeople.
Sheisworriedaboutinitiatingconversationswiththelocalresidents.
Sheisgratefultohavefoundaplacethatremindsherofherhometown.
9
Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?
Lines71-74(“Then...mirror”)
Lines75-78(“Emma’s...blocks”)
Lines81-84(“Preoccupied...Broadway”)
Lines86-88(“Emma...windows”)
10
Accordingtothepassage,SergeitreatsEmmathewayhedoesbecause
heunderstandswhatsheisgoingthrough.
heenjoysshowingofthesightsofthecity.
Emmaremindshimofsomeoneheknows.
Emmaemigratedfromhishomecountry.
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..yyyyy..y..
Line
5
10
15
20
25
30
35
40
Questions11-21arebasedonthefollowingpassage.
5IJTQBTTBHFBOEGJHVSF1BSFBEBQUFEGSPN3BDIFM&ISFOCFSH,i(M0TVOEFS4DSVUJOZwª2016CZ4PDJFUZGPS4DJFODF&UIF1VCMJD.
“Weareinaworldthat’spaintedblackandwhite,”saysagriculturaleconomistMatinQaim.“InEuropeinparticular,peoplearedeeplyconvincedthatgeneticallymodified(GM)cropsarebadfortheworld.IfyousayanythinginfavorofGMcrops,youaretalkinginfavorofevil.”
Thatdesignationofevilisoneofthetwoprevailingnarrativesconcerninggeneticallyengineeredfoods.Opponentsofgeneticallymodifiedorganisms(GMOs)tellthestorythat“Franken”organismsareanewtechnologythatposesknownandunknowabledangerstohumanhealth,theenvironment,andsocietyatlarge.Ontheotherside,proponentsarguethatGMOsareaharmlessandnecessarytoolforsavingaworldthreatenedbyoverpopulationandachangingclimate.TheloudestvoicesontheproponentsidearetypicallycastasshillsforBigAgriculture(someofthemare),whiletheloudestontheanti-GMOsidearetypicallycastasfear-mongeringluddites(someofthemare).
Thebroadbrushisproblematicforseveralreasons,Qaimandothersargue.ThetermGMOitselfisacatchallthatencompassesawiderangeofproductsdevelopedthroughavarietyofmeans,eachwithitsownrisksandbenefits.ThereareGMOsthathaveledtolargereductionsintheuseofpesticides,forexample,andthereareGMOsthathavemadeherbicideuseskyrocket.ThebroadbrushalsofailswhenlabelingthedevelopersofGMtechnology:CommercialgiantsoftheagrochemicalpesticideindustryhavedevelopedGMOs,butsohaveacademicscientistsfundedbynonprofitsorthepublicsector.
“AtechnologylikeGMcropsisneithergoodnorbad,”Qaimsays.“TalkingabouttheimpactofGMOsiswaytoobroad.”
Thediversityofengineeringprocessesandtheproductsthatresultwillprobablycontinuetogrow.Forexample,therelativelynewCRISPRtechnology,whichallowsforsuperprecisegeneediting,maysoonbecomeaGMOtoolofchoice.Butgenerally
speaking,thetechnologiesbehindGMOsaredecadesold.Anddespitefearsofunknownrisks,GMOshavebeenstudiedextensively.
45 Thepicturedrawnfromdecadesofresearchisoutofsyncwithmanycommonpublicperceptions.Whileunforeseeablehealthissuesareoftenattheforefrontofpublicconcern,foodscontaining
GMOshavebeenongroceryshelvesformorethan
5020years.PilesofevidencesuggestthateatingGMOsisnoriskierthaneatingconventionalfoods.Effectsontheenvironmentaremoremixed.Someoftheproblemsthathavearisen,suchastheuptickintheuseofcertainherbicides,aremoreaboutfarming
55practicesthanaboutdangersinherenttoGMtechnology;thesameproblemsarisewithconventional,non-GMcrops.
Theenvironmentalconsequencesofengineeredgenesescapingintothewildarelessclear.Butwhile
60falloutcanbehardtopredict,theoddsofsuchescapesactuallyhappeningcanoftenbeevaluated.WiththeFoodandDrugAdministrationsrecentapprovalofGMsalmon,forexample,scientistsagreethatthereisaslimpossibilitythatescapeescould
65harmnativefishpopulations;thatriskcouldbecurtailed,however,withstrictoversightaboutwhereandhowsuchfisharefarmed.
There’salsoalotofunrealizedpromise.GMOsareoftentoutedasawaytoboostthenutrient
70contentoffoodstofightmalnutrition.YetGMOsthatareonthemarkethavelargelybenefitedthoseproducingthem—companiesandfarmers—ratherthanconsumers.Therearemanyhealth-boostingGMOsindevelopment,includingbananaswith
75increasediron,plantsthatmakeomega-3fishoils,andrice,sorghumandcassavaenrichedwithvitaminA.Newcrops,suchasthoseengineeredtotoleratedroughtorexcesssaltinthesoil,couldplayacrucialrole.
100
Percentofplantedacresofthecrop
80
60
40
20
0
Figure1
AdoptionofGMCropsintheUnitedStates
Year
80
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..
60
Percentchange
40
20
0
-20
-40
-60
Figure2
AverageImpactofChangefromNon-GMCropstoGMCrops,1996-2014
68.2
21.6
3.3
-36.9
-39.2
BtcottonHTcottonBtcornHTcorn
Bt=toxictospecificinsectsHT=herbicidetolerant
cropyieldpesticidequantitypesticidecost
totalproductioncostfarmproft
0=non-GMcropbaseline
FJHVSF2JTBEBQUFEGSPN8JMIFMNKMüNQFSBOEMBSJO2BJN,iAMFUB-AOBMZTJTPGUIFJNQBDUTPG(FOFUJDBMMZMPEJGJFE
$SPQT.wª2014CZ8JMIFNKMüNQFSBOEMBUJO2BJN.
11
Thefirstparagraphservesprimarilyto
disputealone-standingscientificconsensus.
introduceaproblemthatisspecifictoEurope.
drawattentiontothecontroversialnatureofGMOs.
expresssupportforaworldwidebanonGMOagriculture.
12
15
Asusedinline11,theword“poses”mostnearlymeans
arranges.
presents.
questions.
imitates.
13
Incontext,theitalicizationoftheword“the”inline35servestoconveywhichmeaning?
ThatthereisonekindofGMOthatgovernmentsneedtobeespeciallyconcernedabout
ThatGMOsarethesoletechnologythatcanaddresstheworld’shungerproblems
ThatthenotionthatGMOscouldhaveonlyasingleeffectissimplistic
ThatGMOsarethemostsignificantissuethatscienceisgrapplingwithtoday
Whichchoicebestdescribestheauthor’sperspectiveontheconsumptionofgeneticallymodifiedfoods?
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..
ThereislittlereasontobelievethatconsumingGMOsisharmfultohumans.
GMfoodsrequirefurtherstudybeforescientistscandetermineconclusivelythattheyarehealthful.
ItissafetouseGMcropstofeedlivestock,butitisnotsafeforhumanstoconsumethemdirectly.
YearsofresearchhavedemonstratedthatGMOsshouldnotbepartofthehumandiet.
16
Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?
Lines45-46(“Thepicture...perceptions”)
Lines50-51(“Piles...foods”)
Lines51-52(“Effects...mixed”)
Lines59-61(“But...evaluated”)
14
17
TheauthorcitesCRISPRasanexampleof
recenttechnologicalinnovationsrelatedtoGMOs.
aGMOtechniquewhoseimpacthasbeenextensivelystudied.
anespeciallyriskymethodofmodifyinggenes.
lesscontroversialapproachestoincreasingcropyields.
WhichchoiceprovidesthebestevidencefortheideathatGMOshavetendedtoservetheinterestsoftheotherthangeneralpublic?
Lines52-56(“Some...technology”)
Lines62-65(“With...populations”)
Lines70-73(“Yet...consumers”)
Lines77-79(“New...role”)
18
20
TheauthormakeswhichofthefollowingclaimsaboutGMsalmon?
ThefishingindustrycannotbetrustedtopreventGMsalmonfromescaping.
NewresearchhasledtothedevelopmentofenvironmentallysafeGMsalmon.
ThecurrentinadequateregulationssurroundingGMsalmonfailtoprotectnativefish.
ThepotentialdangersassociatedwithGMsalmoncanbeanticipatedandmanaged.
Whichstatementabouttheplantingofcornthatistoxictospecificinsectsissupportedbyfigure1?
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..
Ithasincreasedwithoutinterruptionsince1996.
Itdippedslightlyaroundtheyear2000buthasriseneversince.
Itremainedfairlysteadyforaboutadecade,thenroseabruptlyaround2006.
Ithasconsistentlyexceededtheplantingofherbicide-tolerantcorn.
21
19
Accordingtofigure1,approximatelywhatpercentofplantedacresofcottonintheUnitedStatesin2004wereherbicidetolerant?
A) 20%
B) 40%
C) 60%
D)80%
Figure2bestsupportswhichofthefollowingstatementsabouttheaverageeconomicimpactonfarmersofthechangefromnon-GMtoGMcrops?
Duetotheirhigherproductioncosts,GMcropshaveledtoanoveralldecreaseinfinancialreturnsforfarmers.
TheincreaseinprofitsseenbyfarmerswhohaveswitchedtoGMcropswaslargelytheresultofincreaseddemandforthosecropsworldwide.
EventhoughGMcropshavegenerallyresultedinhigheryields,theyhavehadlittleifanyeffectonfarmers’profits.
GMcropshaveincreasedtotalproductioncostsslightly,buttheyhaveincreasedoverallprofitssubstantially.
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..yy.y
Line
5
10
15
20
25
30
35
40
Questions22-31arebasedonthefollowingpassage.
5IJTQBTTBHFJTBEBQUFEGSPNiFBTDJOBUJOH3IZUIN:LJHIU
1VMTFT*MMVNJOBUF3BSFBMBDL)PMF.wª2014CZ5IF6OJWFSTJUZPGMBSZMBOE$PMMFHFPG$PNQVUFS,MBUIFNBUJDBM,BOE
/BUVSBM4DJFODFT.
Nearlyallblackholesfallintooneoftwoclasses:big,andcolossal.Astronomersknowthatblackholesrangingfromabout10timesto100timesthemassofoursunaretheremnantsofdyingstars,andthatsupermassiveblackholes,morethanamilliontimesthemassofthesun,inhabitthecentersofmostgalaxies.
Butscatteredacrosstheuniverselikeoasesinadesertareafewapparentblackholesofamoremysterioustype.Rangingfromahundredtimestoafewhundredthousandtimesthesun’smass,theseintermediate-massblackholesaresohardtomeasurethateventheirexistenceissometimesdisputed.Littleisknownabouthowtheyform.Andsomeastronomersquestionwhethertheybehavelikeotherblackholes.
Nowateamofastronomershassucceededinaccuratelymeasuring—andthusconfirmingtheexistenceof—ablackholeabout400timesthemassofoursuninagalaxy12millionlightyearsfromEarth.Thefinding,byUniversityofMarylandastronomygraduatestudentDheerajPashamandtwocolleagues,waspublishedonlineinthejournalNature.
Co-authorRichardMushotzky,aUMDastronomyprofessor,saystheblackholeinquestionisajust-right-sizedversionofthisclassofastralobjects.
“Objectsinthisrangearetheleastexpectedofallblackholes,”saysMushotzky.“Astronomershavebeenasking,dotheseobjectsexistordotheynotexist?Whataretheirproperties?Untilnowwehavenothadthedatatoanswerthesequestions.”
Whiletheintermediate-massblackholethattheteamstudiedisnotthefirstonemeasured,itisthefirstonesopreciselymeasured,Mushotzkysays,“establishingitasacompellingexampleofthisclassofblackholes”
Ablackholeisaregioninspacecontainingamasssodensethatnotevenlightcanescapeitsgravity.Blackholesareinvisible,butastronomerscanfindthembytrackingtheirgravitationalpullon
otherobjects.Matterbeingpulledintoablackholegathersarounditlikestormdebriscirclinga
45tornado’scenter.Asthiscosmicstuffrubstogetheritproducesfrictionandlight,makingblackholesamongtheuniversesbrightestobjects.
Sincethe1970sastronomershaveobservedafewhundredobjectsthattheythoughtwere
50intermediate-massblackholes.Buttheycouldn’tmeasuretheirmass,sotheycouldn’tbecertain.“Forreasonsthatareveryhardtounderstand,theseobjectshaveresistedstandardmeasurementtechniques,”saysMushotzky.
55 PashamfocusedononeobjectinMessier82,
agalaxyintheconstellationUrsaMajor.Messier82isourclosest“starburstgalaxy,”whereyoungstarsareforming.Beginningin1999aNASAsatellitetelescope,theChandraX-rayObservatory,detected
60X-raysinMessier82fromabrightobjectprosaicallydubbedM82X-l.Astronomers,includingMushotzkyandco-authorTodStrohmayerofNASA’sGoddardSpaceFlightCenter,suspected
foraboutadecadethattheobjectwasan
65intermediate-massblackhole,butestimatesofitsmasswerenotdefinitiveenoughtoconfirmthat.
Between2004and2010NASA’sRossiX-RayTimingExplorer(RXTE)satellitetelescopeobservedM82X-labout800times,recordingindividualX-ray
70particlesemittedbytheobject.PashammappedtheintensityandwavelengthofX-raysineachsequence,thenstitchedthesequencestogetherandanalyzedtheresult.
Amongthematerialcirclingthesuspected
75blackhole,hespottedtworepeatingflaresoflight.Theflaresshowedarhythmicpatternoflightpulses,oneoccurring5.1timespersecondandtheother
3.3timespersecond—oraratioof3:2.
Thetwolightoscillationswereliketwodust
80motesstuckinthegroovesofavinylrecordspinningonaturntable,saysMushotzky.Iftheoscillationsweremusicalbeats,theywouldproduceaspecificsyncopatedrhythmlikeaLatin-inflectedbossanova.
Inmusic,thisisa3:2beat.Astronomerscanusea
853:2oscillationoflighttomeasureablackhole’smass.Thetechniquehasbeenusedonsmallerblackholes,butithasneverbeforebeenappliedto
intermediate-massblackholes.
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..yy.y
Pashamusedtheoscillationstoestimatethat
90M82X-1is428timesthemassofthesun,giveortake105solarmasses.Hedoesnotproposeanexplanationforhowthisclassofblackholesformed.“Weneededtoconfirmtheirexistence
observationallyfirst,”hesays.“Nowthetheoristscan
95gettowork.”
22
Themainpurposeofthepassageisto
accountforthedifferencesbetweenthetwomajorclassesofblackholes.
discussthedifficultiesscientistsencounterwhenmeasuringthemassofblackholes.
describehowevidencesupportstheexistenceofparticularofblackhole.
explainwhythebrightnessofablackholeheightensthechallengeofmeasuringitsmass.
23
Inline9,theauthorusestheword“apparent”toindicatethata
characteristicofcertainblackholesisvisible.
conclusionaboutcertaintypesofblackholesisobvious.
descriptionofacertaingroupofblackholesismisleading.
characterizationofcertainobjectsasblackholesisplausible.
24
Thepassageindicatesthatresearchintointermediate-masblackholeshasbeenimpededbythefactthat
suchblackholesseemtohaveacomparativelyshortlifespan.
currentmodelsoftheuniverse’sevolutioncannotexplainsuchblackholes.
ithasbeendifficultforscientiststopreciselymeasuresuchblackholes.
thegravitationalpullthatsuchblackholesexertonotherobjectsisnegligible.
25
WhichchoiceprovidesthebestevidencethatMushotzkywouldcharacterizeearlierdiscussionsofintermediate-massblackholesaslargelyspeculative?
Lines25-28(“Co-author...objects”)
Lines29-30(“Objects...Mushotzky”)
Lines32-33(“Until...questions”)
Lines34-38(“While...holes”)
26
Themainpurposeofthesixthparagraph(lines39-47)isto
provideexamplesofblackholesanddiscussthepropertiesofeach.
describethenatureofblackholesandexplainhowtheycanbedetected.
presentcompetingtheoriesabouttheoriginsandcharacteristicsofblackholes.
illustratethedifferencesbetweensupermassiveandintermediate-massblackholes.
27
30
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy..y..yy.y
Asusedinline42,“tracking”mostnearlymeans
trailing.
traversing.
monitoring.
paralleling.
28
Incontextofthepassageasawhole,thequotationfromMushotzkyinlines52-54servesmainlyto
defendtheworkoftheresearchersagainstthepotentialcriticismsofotherscientists.
explainwhytheresearcherswereabletointerestrelativelyfewotherscientistsintheirwork.
suggestaparticularscientificprocessthattheresearcherseventuallyadaptedandrefinedfortheirwork.
emphasizeasignificantscientificchallengethattheworkoftheresearchersultimatelysurmounted.
29
ItcanreasonablybeinferredfromthepassagethatthedatacollectedbytheChandraX-rayObservatorywereinsufficienttoruleoutwhichpossibility?
M82X-1isamemberofoneofthetwoestablishedclassesofblackholes.
TheX-raysassociatedwithM82X-1comefromanotherobjectentirely.
ChangesinthebrightnessofM82X-1reflectimperfectionsinthetelescopeitself.
M82X-1wasformedlaterthanwasanyknownsupermassiveblackhole.
ItcanreasonablybeinferredfromthepassagethatPashammadewhichassumptionaboutthepatternoflightflaresdetectednearM82X-1?
ItarisesfromvariationsinthewavelengthoftheX-raysemittedbyM82X-1butnotfromvariationsintheintensityofthoseX-rays.
ItcouldbeusedtoanalyzeM82X-Iinthesamewayassimilarpatternshadbeenusedtoanalyzeotherblackholes.
Itdisplaysa3:2ratiobecausethemassofM82X-1isgreaterthanthemassofblackholesinthesmallerofthetwomajorclassesofblackholes.
ItcouldserveasareliablewayofestimatingthedistancefromEarthtoM82X-1.
31
Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?
Lines58-61(“Beginning...M82X-1”)
Lines70-73(“Pasham...result”)
Lines76-78(“Theflares...3:2”)
Lines86-88(“Thetechnique...holes”)
Line
5
10
15
20
25
30
35
Questions32-42arebasedonthefollowingpassage.
1BTTBHF1JTGSPNBTQFFDIEFMJWFSFEJO1926CZ$BMWJO
$PPMJEHF,“AddressbeforetheAmericanAssociationofAdvertisingAgencies,Washington,DC.”1BTTBHF2JTBEBQUFEGSPN4UVBSU$IBTFBOEF.+.4DIMJOL,YourMoney’sWorth:A
StudyintheWasteoftheConsumer’sDollar.ª1927CZ4UVBSU
$IBTFBOEF.+.4DIMJOL.
passage1
Itistobeseenthatadvertisingisnotaneconomicwaste.Itministerstothetruedevelopmentoftrade.Itisnodoubtpossibletowastemoneythroughwrongmethodsofadvertising,asitcanbewastedthroughwrongmethodsinanydepartmentofindustry.Butrightfullyapplied,itisthemethodbywhichthedesireiscreatedforbetterthings.Whenthatonceexists,newambitionisdevelopedforthecreationanduseofwealth.Theuncivilizedmakelittleprogressbecausetheyhavefewdesires.Theinhabitantsofourcountryarestimulatedtonewwantsinalldirections.Inordertosatisfytheirconstantlyincreasingdesirestheynecessarilyexpandtheirproductivepower.Theycreatemorewealthbecauseitisonlybythatmethodthattheycansatisfytheirwants.Itisthisconstantlyenlargingcirclethatrepresentstheincreasingprogressofcivilization.
Agreatpowerhasbeenplacedinthehandsofthosewhodirecttheadvertisingpoliciesofourcountry,andpowerisalwayscoupledwithresponsibilities.Nooccupationischargedwithgreaterobligationsthanthatwhichpartakesofthenatureofeducation.Thoseengagedinthateffortarechangingthetrendofhumanthought.Theyaremoldingthehumanmind.Thosewhowrite
uponthattabletwriteforalleternity.Therecanbenopermanentbasisforadvertisingexceptarepresentationoftheexacttruth.Wheneverdeception,falsehood,andfraudcreepintheunderminethewholestructure.Theydamagethewholeart.Theeffortsofthe
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2026浙江交通资源投资集团有限公司招聘5人(二)笔试模拟试题及答案详解
- 德昌县中医医院招聘笔试模拟试题及答案详解
- 2026江苏南通启东港城物业有限公司招聘笔试备考试题及答案详解
- 2026年宣城市郎溪县第三幼儿园教师招聘2名笔试模拟试题及答案详解
- 2026上海金山东方有线网络有限公司招聘笔试参考题库及答案详解
- 2026山东裕龙石化产业园发展有限公司权属子公司招聘3人笔试备考题库及答案详解
- 2026年枣庄市台儿庄区林业系统人员招聘考试参考试题及答案详解
- 2026江苏无锡市惠山区卫生事业单位招聘40人笔试参考题库及答案详解
- 2026福建漳州市天一人力资源服务集团有限公司招聘劳务派遣导办人员岗位1人笔试备考题库及答案详解
- 2026江西贵溪市总医院中医院院区招聘编外聘用卫生专业技术人员3人笔试参考题库及答案详解
- 电厂设备维护部定期工作规定培训课件
- 2025山东威海环翠文旅发展集团有限公司招聘笔试及笔试历年参考题库附带答案详解
- 2026年党建基础考试题及答案
- 预制构件裂缝修补施工工艺流程
- 2026桂林市教师招聘笔试题及答案
- 2026年4月全国二卷高考预测模拟数学试卷01
- 2026年辽宁沈阳市-中考模拟试卷英语(含答案)
- 2026年高考政治易错易混点专项梳理
- 2026年历史街区老旧建筑消防改造技术案例
- 2026年天津市公共交通集团控股有限公司校园招聘笔试备考题库及答案解析
- 中国中化2026届人才测评题库
评论
0/150
提交评论