英语b级真题

XX年职称英语真题理工类b级试题

下面每个中均有1个词或者短语划有底横线，请为每处划线局

部确定1个意义最为接近的选项。

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下面的短文后列出了7个句子，请根据短文的内容对每个句子

做出判断：如果该句提供的是正确信息，请选择A;如果该句提供的

是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。

SoMany'Earths'

TheMilkyWay(银河)containsbillionsofEarth-sized

plasthatcouldsupportlifethat’sthefindingofanew

sondatethatcamefromNASA’stoppla-

huntingtelescope.

AmechanicalfailurerecentlyputthatKeplerspace

hadplayedabigrolein

creatingacensusofplasorbitingsome170,

datahavebeenhelpingastronomerspredicthowmonplas

escopefocudonhuntingplas

thatmighthaveconditionssimilartothoonEarth.

Theauthorsofastudy,publishedinTheProceedingsof

theNationalAcademyofsciences,concludethatbetween14

and30outofevery100stars,withamassandtemperature

similartotheSun,mayhostaplathatcouldsupportlife

asweknowit.

Suchaplawouldhaveadiameteratleastaslargeas

Earth’s,also

wouldhavetoorbitinastar’’s

wherethesurfacetemperaturewouldallowanywaterto

existasaliquid.

Thenewestimateofhowmanyplasmightfitthe

conditionsfromstudyingmorethan42,000starsand

entists

udthonumberstoextrapolate(推算)totherestofthe

starsthatthetelescopecouldnote.

Theestimateisrough,iedto

thesolarsystem,itwoulddefineashabitableazone

startingasclototheSunasVenusandrunningtoasfar

rplaisEarthlike(althougheither

mighthavebeeninthedistantpast).Usingtighterlimits,

therearcherstimatethatbetween4and8outofevery

areonesthatwouldtake200to400daystopleteayearly

orbit.

Fouroutofevery100sunlikestarsdoesn’tsoundlike

dmean,however,thattheMilkyWay

couldhostmorethanabillionEarth-sizedplaswitha

changeforlife.

lerspacetelescopehasbeeninrvicefor

15years.

tioned

答案：C

ntaskoftheKeplerspacetelescopeisto

findoutplaswithsimilarconditionstoEarth’s.

tioned

答案：A

thatcouldsupportlifemightbealittle

bitsmallerthanEarth.

tioned

答案：B

thisplaorbitingintheSun’shabitable

zone.

tioned

答案：A

findingisbadonathoroughstudyof

170,000starsintheMilkyWay.

tioned

答案：B

imateofthenumberofplasthatcould

supportlifeisnotveryaurate.

tioned

答案：A

thefirstrearchfindingabouttheplas

withachanceforlife.

tioned

答案：C

阅读下面这篇短文，短文后有2项测试，任务：(1)1-4题要

求从所给的4个选项中为段每段选择1个正确的小标题;(2)第5-8

题要求从所给的5个选项中选择4个正确选项，分别完成每个句

子。

ClimateChange:TheLongReach

‘s

morecarbonintheair,andArcticiceismeltingfaster

istswhostudy

theenvironmenttobettergauge(评估).Earth’sfuture

climatenowarguethatthechangesmaynotreverfora

verylongtime.

burnfossilfuelslikecoalandoilfor

rningreleascarbondioxide,acolorless

ir,thisgastrapsheatatEarth’ssurface.

Andthemorecarbondioxiderelead,themorethepla

entconsumptionoffossilfuelsdoesn’t

slow,thelong-termclimateimpactscouldlastthousands

ofyears-andbemoreverethanscientistshadbeen

ologistRichardZeebeoftheUniversityof

HawaiiatManoaoffersthisconclusioninanewpaper.

imate-changestudieslookatwhat’sgoingto

thattime,

changesinthepla’nvironmentcouldnudge(推动)global

mple:Snowandicereflect

hemelt,sunlightcan

nowreach--andwarm–traheat

raistheairtemperatureevenmore,causingevenmore

peofrapidexaggerationofimpacts

iscalleda‘fastfeedback’.

aysit’simportanttolookatfastfeedbacks.

However,headds,they’limatechange

perspective,‘Thiscenturyisthemostimportanttimefor

thenextfewgenerations’,hetoldScienceNews“Butthe

worldisnotendingin2100”.

howfocuson“slowfeedbacks”.Whilefastfeedback

eventsunfoldoverdecadesorcenturies,slowfeedbackscan

gofcontinentalicesheets

andthemigrationofplantlife---astheyrelocateto

morefortableareas---aretwoexamplesofslowfeedbacks.

atheredinformationfrompreviouslypublished

studiesinvestigatinghowsuchprocessplayedoutover

thousandsofyearsduringpastdramaticchangesinclimate.

Thenhecameupwithaforecastforthefuturethataounts

e

forecaststhatuonlyfastfeedbackspredicta4.5degree

Celsius(8.1degreeFahrenheit)changebytheyear3000.

Butslowfeedbacksaddedanother1.5℃--fora6total

increa,foundthatslowfeedback

eventswillcauglobalwarmingtopersistforthousands

ofyearsafterpeoplerunoutoffossilfuelstoburn.

aph2答案：B

aph3答案：C

aph4答案：F

aph5答案：A

ctionoffutureclimatechange

ofburningfossilfuels

edbacks

ictabilityoffeedbackprocess

ofalevels

edbacks

icehasneverbeenmeltingsofastin答

案：F

gofsnowandiceenablessunlighttoreach

答案：E

ameupwithhisfutureclimatepredictionby

analyzing答案：D

ossilfuelsareudup,globalwarmingwill

continuefor答案：B

xaggerationofimpacts

ongtime

raheat

uslypublishedstudies

odground

edhistory