下面小编跟大家一起了解英语四级新闻听力讲解分享，希望对大家的学习有所帮助。

听力练习

1.

A.ScientistsobservedacollisionbetweenJupiterandastill-developingplanet.

B.TheU.S.spaceagencyNASAlaunchedJunospacecraftonJupiterin2011

C.MassiveplanetmayhavecrashedintoyoungJupiter.

D.JupiterandSaturnmayhavecrashedintoeachothermillionyearsago.

2.

AThroughtelescope.

B.Throughcamera.

C.ThroughNASA'sJunospacecraft.

D.ThroughsatellitesorbitingEarth.

听力文本

AnewstudysuggeststhattheplanetJupitermayhavebeenhitalongtimeagobyastill-developingplanet,oneabout10timesthesizeofEarth.Scientistsbelievethehead-oncrashtookplacenotlongafterJupiterwasformed.Scientistssaysuchaviolentcollisioncouldexplainconditionsinsidethecenteroftheplanet.Astronomersbelievethecollisionmayhavehappenedseveralmillionyearsaftertheformationofoursun.ResearchershavelongsoughttounderstandmoreaboutJupiter.Inrecentyears,theU.S.spaceagencyNASAhascarriedoutresearchontheplanet.NASA'sJunospacecraft,launchedin2011,usesinstrumentstomeasuretheplanet'sgravitationalandmagneticfields.Inthelateststudy,researchersexamineddataandothermeasurementscollectedbyJuno.Theyusedthisinformationtobuildmodelstopredictwhattheplanet'scoreismadeofandhowitisstructured.Theirmodelssupportedthetheorythatahead-oncollisiontookplacebetweenJupiterandastill-developingplanet.Theteam'sfindingssuggesttheobjectthathitJupiterwouldhavebeenabout10timesthesizeofEarth.Suchacrash,involvingthetwomassiveplanets,couldhavebrokenapartJupiter'sdensecoreandmixedlightelementswithheavyones.Thestudyfoundtherewasatleasta40percentchancethatJupiterwouldcollidewithastill-formingplanetwithinitsfirstfewmillionyears.Theresearchersalsosuggestthatasimilarcollision,involvingtheplanetSaturn,mayhavehappenedwhilethesolarsystemwasstillyoung.ThismayexplainthestructuraldifferencesthatexistbetweenJupiterandSaturn,theysaid.

Question1:What’sthemainideaofthisnewsreport?

Question2:Accordingtothenewsreport,howdidscientistsgetthedataaboutJupiter’sgravitationalandmagneticfields?

重点词汇

1.head-on:Ahead-onaccidentisoneinwhichthefrontsoftwovehicleshiteachother.（事故）迎头相撞的，正面相撞的

2.crash:Ifavehiclecrashesorsomeonecrashesit,itisinvolvedinanaccident,usuallyaseriousoneinwhichthevehicleisdamaged,andsomeoneishurt.撞（车）；撞毁，撞坏；坠毁

3.collision:anaccidentthathappenswhentwovehicleshiteachotherwithforce（车辆的）碰撞，互撞

4.astronomer:someonewhostudiesastronomy天文学家

5.gravitation:inscience,theforcethatattractsallobjectstowardsoneanother引力

6.magneticfield:anareaaroundamagnetorsomethingmagnetic,inwhichithasaforcetoattractobjectstoitself磁场

7.dense:havingpartsthatareclosetogethersothatitisdifficulttogoorseethrough浓的，浓密的；浓重的