- 阅读理解A
题干：Itisworthlookingatoneortwoaspectsofthewayamotherbehavestowardsherbaby.Theusualfondling,cuddlingandcleaningrequirelittlecomment,butthepositioninwhichsheholdsthebabyagainstherbodywhenrestingisratherrevealing.CarefulAmericanstudieshavedisclosedthefactthat80percentofmotherscradletheirinfantsintheirleftarms,holdingthemagainsttheleftsideoftheirbodies.Ifaskedtoexplainthesignificanceofthispreferencemostpeoplereplythatitisobviouslytheresultofthepredominanceofright-handednessinthepopulation.Byholdingthebabiesintheirleftarms,themotherskeeptheirdominantarmfreeformanipulations.Butadetailedanalysisshowsthatthisisnotthecase.True,thereisaslightdifferencebetweenright-handedandleft-handedfemales,butnotenoughtoprovideanadequateexplanation.Itemergesthat83percentofright-handedmothersholdthebabyontheleftside,butthensodo78percentofleft-handedmothers.Inotherwords,only22percentoftheleft-handedmothershavetheirdominanthandsfreeforactions.Clearlytheremustbesomeother,lessobviousexplanation.Theonlyothercluecomesfromthefactthattheheartisontheleftsideofthemother'sbody.Coulditbethatthesoundofherheart-beatisthevitalfactor?Andinwhatway?Thinkingalongtheselines,itwasarguedthatperhapsduringitsexistenceinsidethebodyofthemother,thegrowingembryo(胎儿)becomesfixated('imprinted')onthesoundoftheheartbeat.Ifthisisso,thenthere-discoveryofthisfamiliarsoundafterbirthmighthaveacalmingeffectontheinfant,especiallyasithasjustbeenthrustintoastrangeandfrighteninglynewworldoutside.Ifthisisso,thenthemother,eitherinstinctivelyorbyanunconsciousseriesoftrialsanderrorswouldsoonarriveatthediscoverythatherbabyismoreatpeaceifheldontheleftagainstherheart,thanontheright.Thismaysoundfar-fetched,buttestshavenowbeencarriedoutwhichrevealthatitisneverthelessthetrueexplanation.
题目：The following sentence（）is right. - A 、The author thinks that we can learn nothing new from the usual fondling, cuddling and cleaning of babies by their mothers
- B 、It is rather unusual for a mother to hold her baby against her body when resting
- C 、Eighty percent of American mothers put their babies on the left side of the cradle
- D 、The author does not agree that there is a predominance of right-handedness in the population
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参考答案【正确答案：D】
文章第一段第四句If asked to explain the significance of this preference most people reply that it is obviously the result of the predominance of right-handedness in the population. （如果问及这种偏好的原因，大多数人回答显然是因为人口中右撇子占多数的结果），但是第6句作者表明 But a detailed analysis shows that this is not the case（但是一项细致的分析表明事实并不是这样的），可见作者不同意人口中右撇子居多。
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