2025年12月英语B级考试真题及答案.pdfVIP

太上有立德，其次有立功，其次有立言，虽久不废，此谓不朽。——《左传》

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2025年12月英语B级考试真题及答案

阅读理解

阅读理解一

Peoplearoundtheworldhavebeencaptivatedbythe

beautyandmysteryoftheNorthernLights,alsoknownasthe

AuroraBorealis.Thisstunningnaturalphenomenonoccurs

whentheEarth’smagneticfieldinteractswithcharged

particlesfromthesun.Theresultisabreathtakinglightdisplay

inthenightsky.

ThebesttimetoseetheNorthernLightsisduringthe

wintermonthsinnorthernlatitudes,suchasAlaska,Canada,

andScandinavia.Theseregionshavelongnightsandclear

skies,whichprovideoptimalconditionsforviewingthe

phenomenon.Touristsfromallovertheworldflocktothese

destinationsinhopesofcatchingaglimpseoftheAurora

Borealis.

TheNorthernLightscanappearinavarietyofcolors,

includinggreen,red,blue,andpurple.Thecolorsdependon

thetypeofgasparticlesintheEarth’satmosphere.For

example,greenlightsareproducedbyoxygenmolecules,while

redlightsareproducedbynitrogenmolecules.

Inadditiontotheirstunningbeauty,theNorthernLights

havealsobeenthesubjectofscientificstudy.Researchershave

usedinstrumentssuchascameras,spectrometers,and

magnetometerstostudythisnaturalphenomenon.By

1

非淡泊无以明志，非宁静无以致远。——诸葛亮

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examiningthecolorsandpatternsofthelights,scientistscan

learnmoreabouttheEarth’satmosphereandspaceweather.

Overall,theNorthernLightsareatrulyawe-inspiringsight.

Whetheryouareascientiststudyingthelightsoratourist