A mare basin is. The passage is primarily concerned with.

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问题 A mare basin is______.
The passage is primarily concerned with______.

选项 A、the origin of continents
B、the relationship between astral phenomena and the moon
C、differences of opinion among authoritative geologists
D、the relationship between asteroids and meteorites

答案A

解析细节理解。在文章一开始就点明"大陆核起源长期以来一直是个谜。进展到现在的理论一般都不能说明大陆生长的第一步情况，或者遭到严厉的反对：这篇文章的目的就是要研究大陨星或小行星的撞击在地球核生成中可能起的作用。

转载请注明原文地址:https://kaotiyun.com/show/hSa4777K

考研英语一

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A mare basin is______. The passage is primarily concerned with______.

考研英语一

Awomanwithatwinbrotherhasfewerchildren.Twinbrotherscanleavequiteanimpression.Themerepresenceofaboyinthes

Forcedtopayforonce-freesandwichtoppingsandtwiceasmuchforsomesteakcuts,shoppersarewonderingwhetherhighergroce

Googlemustbethemostambitiouscompanyintheworld.Itsstatedgoal,"toorganizetheworld’sinformationandmakeituniver

Youaregoingtoreadalistofsubheadingsandatext.Choosethemostsuitablesubheadingfromthelist[A]to[G]foreachnu

Onthesurface,Marsisthepictureofdesolation.Abarrenlandremains【C1】______forhundredsofmillionsofyears,motionless【

RunningfortheofficeofthePresidentoftheUnitedStatesisexceptionallyarduousandshouldnotbeundertakenbythe【C1】___

RunningfortheofficeofthePresidentoftheUnitedStatesisexceptionallyarduousandshouldnotbeundertakenbythe【C1】___

Gardeningcanbebothpersonallysatisfyingandagoodactivityforthemindandbody.Flowersbeautifyyoursurroundings,while

Supposeyoufoundaringinthereadingroomofthelibraryinyouruniversity.Writeafoundnoticeto1)informotherswhaty

Yourcameraissnatched.Willyoueverseeita-gain?Probablynot.Butitmaysendpostcardsfromitsnewowner.The【C1】_______

题39图是哪个软件的工作环境?请说明(1)～(5)的名称及各自的功能。

Asourproductshaveagoodreputationbothathomeandabroad,theirdemandisincreasingyearbyyear.

提示病情危急的呼吸改变是()。

辩证思维的基本方法有()。

中朝两国的界河是()。

(05年)设λ1，λ2是矩阵A的两个不同的特征值，对应的特征向量分别为α1，α2，则α1，A(α1＋α2)线性无关的充分必要条件是【】

Lukestudiedbusinessstudiescoursefortwoyearsatcollege.

A、Youngpeopletendedtodowhattheylike.B、Companiespreferredmaleworkerstofemale.C、Youngmengotbetterpaythanyoung

A mare basin is. The passage is primarily concerned with.