英語(yǔ)b級(jí)真題

XX年職稱英語(yǔ)真題理工類b級(jí)試題

下面每個(gè)中均有1個(gè)詞或者短語(yǔ)劃有底橫線，請(qǐng)為每處劃線局

部確定1個(gè)意義最為接近的選項(xiàng)。

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下面的短文后列出了7個(gè)句子，請(qǐng)根據(jù)短文的內(nèi)容對(duì)每個(gè)句子

做出判斷：如果該句提供的是正確信息，請(qǐng)選擇A;如果該句提供的

是錯(cuò)誤信息，請(qǐng)選擇B;如果該句的信息文中沒(méi)有提及，請(qǐng)選擇C。

SoMany'Earths'

TheMilkyWay(銀河)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

閱讀下面這篇短文，短文后有2項(xiàng)測(cè)試，任務(wù)：(1)1-4題要

求從所給的4個(gè)選項(xiàng)中為段每段選擇1個(gè)正確的小標(biāo)題;(2)第5-8

題要求從所給的5個(gè)選項(xiàng)中選擇4個(gè)正確選項(xiàng)，分別完成每個(gè)句

子。

ClimateChange:TheLongReach

‘s

morecarbonintheair,andArcticiceismeltingfaster

istswhostudy

theenvironmenttobettergauge(評(píng)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(推動(dòng))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