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

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

Nowondertheyarecalled"patients".Whenpeopleenterthehealth-caresystemsofrichcountriestoday,theyknowwhattheywil

RunningfortheofficeofthePresidentoftheUnitedStatesisexceptionallyarduousandshouldnotbeundertakenbythe【C1】___

Drones,originallydevelopedformilitarypurposes,weren’tapprovedforcommercialuseintheUnitedStatesuntil2013.Whenth

Britain’sflexiblelabourmarketwasaboonduringtheeconomicslump,helpingkeepjoblessnessdownandthen,whentherecovery

Theimmunesystemisequalincomplexitytothecombinedintricaciesofthebrainandnervoussystem.Thesuccessoftheimmune

Universityusedtobeforaprivilegedfew.Insomecountriesitisnowalmostariteofpassage.Althoughthatisexcellentnew

InanarticlesomeChinesescholarsaredescribedasbeing"tantalizedbythemysteriousdragonbonehieroglyphics."Tantalized

Whatisthepassagemainlyabout?Theresultsofthejournalismcredibilityprojectturnedouttobe______.

Theword"schism"(Line3,Paragraph1)inthecontextprobablymeans______.Theauthor’sattitudetowardtheissueof"scienc

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髌骨内上方2寸是内足尖下方凹陷处是

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

若A、B方案互斥，则应选择A方案，因为(　　)。