This "mechanism" in the last sentence of the first paragraph refers to______. The evolution of the mangrove species is describe

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问题 This "mechanism" in the last sentence of the first paragraph refers to______.
The evolution of the mangrove species is described to______.

选项 A、illustrate the similarities of human society to the natural world
B、provide a contrastive example to the development of human society
C、explain how Nature ruthlessly gets rid of the weaker species
D、how plants evolve to maintain their quality of life

答案B

解析细节题。第二段首句指出"我们通过考察一种生态系统的演变与人类社会相比较…"可见答案为B。

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考研英语一

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This "mechanism" in the last sentence of the first paragraph refers to______. The evolution of the mangrove species is describe

考研英语一

Foralmosttwocenturiesnow,scientistshavenoticedaplace’ssuicideratebearstroublinglinkstothechangingoftheseason

[A]Talkabouttheirpassion[B]Donotleavethemalone[C]Dowhattheylove[D]Understandthem[E]Talktothem

[A]Lifeisamirrorofwhatyoudo[B]Thinkaboutyourfuturefamily[C]Don’tcountonanyonebutyourself[D]Think

[A]Takeawalk[B]Lookatcurrenttrends[C]Brainstormwithfriends[D]ShareyouropinionsontheInternet[E]L

[A]Howtoturnahobbyintoabusiness[B]Expensivetoysarenotsmartchoices[C]Smartmoneychoicesmakeafamilylif

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

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Itmaybesummertime,butthelivingisn’teasy—notforwearyworkerswhoselastvacationisadistantmemory.Accordingtoone

Teenagersarespendingmoremoneythanever.Justlastyear,31.6millionteensspent155billion,accordingtotheNorthbrook,

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处方调配的有关管理制度中，分装制度是为了

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“改善生活环境、发动周围资源给予支援等”属于( )。

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