2026版53高考总复习A版英语主题十六 奥秘探索.docxVIP

主题十六奥秘探索

组合练一:阅读(2)语法填空

1三年模拟(2025届海南期中,C)主题：宇宙探索

AnewstudyprovidesevidencethatMarscontainsalargeoceandeepbeneathitssurface.ThefindingisbasedondatacollectedbytheInSightLander,aroboticexploreroperatedbytheAmericanspaceagencyNASA.InSight,whichlandedin2018,wasdesignedtocapturedatafromwithintheplanetsinterior.ThelanderendeditsoperationsonMarsinlate2022.

Forthecurrentstudy,researchersusedseismic(地震的)datacollectedbyInSight.TheteamexaminedthedatatostudyMartianquakeactivity.InSighthadrecordedmorethan1,300marsquakes.

ThedeviceInSightusedtomeasuregroundmovementsiscalledaseismometer(地震仪).ItisextremelysensitivetotheMartianenvironment.TheseismicdatasuggestsliquidwaterexistsdeepbeneaththegroundwhereInSightoperatedfrom.

Sincewaterisconsiderednecessarytosupportlife,scientistssaythepresenceofitonMarsleavesopenthepossibilitythatsomeformoflifemightexist,orexistedthereinthepast.

NumerousstudiesdonebeforehavealsoprovidedevidencethatliquidwatercouldexistonMars.Scientistshavealreadyuncoveredevidencethatabout3billionyearsago,thesurfaceofMarslikelyhadanactivesystemoflakes,riversandoceans.

ScientistsbelievethatMarshaslostitssurfacewaterasitsatmospherebecamelessthick.Thislikelyturnedtheplanetintothedry,dustyworlditistoday.Theyhavetheorizedthatmuchoftheancientwaterescapedoutintospaceorremainedburiedunderthesurface.

Thedatasuggestsliquidwatersitsbetween11and20kilometersdownintheMartiancrust.ThewaterislikelycontainedinadeeplayerofigneousrockbeneaththeMartiansurface.Scientistssaidthatthewaterlikelymoveddownfromthesurfacebillionsofyearsago,whenwaterisbelievedtohaveflowedfreelyonMars.

ThereiscurrentlynowaytoconfirmthestudyssuggestedexistenceofliquidwaterbecauseitsitssofarbeneaththeMa