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1、2019-2020年高考英语二轮复习阅读理解精练（1）(II)科普知识型阅读理解(一)ScientistsatHarvardUniversityandBatesCollegefindfemalechimpanzees(黑猩猩)appeartotreatsticksasdolls,carryingthemarounduntiltheyhavechildrenoftheirown.Youngmalesengageinsuchbehaviormuchlessfrequently.ThenewworkbySonyaM．K
2、ahlenbergandRichardW．Wrangham,describedthisweekinthejournalCurrentBiology,providesthefirstevidenceofawildnonhumanspeciesplayingwithdolls,aswellasthefirstknownsexdifferenceinawildanimal’schoiceofplaythings.Thetworesearcherssaytheirworkaddstoagrowingbodyofevide
3、ncethathumanchildrenareprobablybornwiththeirownideasofhowtheywanttobehave,ratherthansimplymirroringothergirlswhoplaywithdollsandboyswhoplaywithtrucks.Dollplayamonghumanscouldhaveitsoriginsinobject—carryingbyearlierapes(猿类),theysay,suggestingthattoyselectionis
4、probablynotdueentirelytosocialization.“Inhumans,thereareobvioussexdifferencesinchildren’stoyplay,andtheseareremarkablysimilaracrosscultures，”saysKahlenberg.“Whilesocializationbyeldersandpeershasbeentheprimaryexplanation,ourworksuggeststhatbiologymayalsohavean
5、importantroletoplayinactivitypreferences.”In14yearsofdataonchimpanzeebehaviorattheKibaleNationalParkinUganda,KahlenbergandWranghamcountedmorethan100examplesofstickcarrying.Someyoungchimpanzeescarriedsticksintothenesttosleepwiththemandononeoccasionbuiltasepara
6、tenestforthestick.“Wehaveseenjuvenilesoccasionallycarryingsticksformanyyears,andbecausetheysometimestreatedthemratherlikedolls,wewantedtoknowifingeneralthisbehaviortendedtorepresentsomethinglikeplayingwithdolls，”saysWrangham,aProfessoratHarvard.“Ifthedollhypo
7、thesis(假设)wasright,wethoughtthatfemalesshouldcarrysticksmorethanmalesdo,andthatthechimpanzeesshouldstopcarryingstickswhentheyhadtheirfirstchild.Wehavenowwatchedenoughyoungchimpanzeestoprovebothpoints.”( )1.Whatdoesafemalechimpanzeedowithsticks?A．Shegivesthem
8、toherchildtoplaywith.B．Shetreatsthemasdolls.C．Shemakesusefultoolsfromthem.D．Shetreatsthemasweapons.( )2.Whatcausesthedifferenttoyselectionofchimpanzees,accordingtothepassage?A．Sexdiffere
