- 閱讀理解A
題干：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(胎兒)becomesfixated('imprinted')onthesoundoftheheartbeat.Ifthisisso,thenthere-discoveryofthisfamiliarsoundafterbirthmighthaveacalmingeffectontheinfant,especiallyasithasjustbeenthrustintoastrangeandfrighteninglynewworldoutside.Ifthisisso,thenthemother,eitherinstinctivelyorbyanunconsciousseriesoftrialsanderrorswouldsoonarriveatthediscoverythatherbabyismoreatpeaceifheldontheleftagainstherheart,thanontheright.Thismaysoundfar-fetched,buttestshavenowbeencarriedoutwhichrevealthatitisneverthelessthetrueexplanation.
題目：Seventy-eight percent of left-handed mothers hold their babies on the left side. This fact contradict the theory（）. - A 、that the holding of the babies on the left is the result of the heart-beating on the left
- B 、that the holding of the babies on the left is the result of the predominance of right-handedness in the population
- C 、that the holding of the babies on the left is the result of the predominance of left-handedness in the population
- D 、that the holding of the babies on the left is the result of the heart-beating on the right
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參考答案【正確答案：B】
推斷題。78%的以左手為主的母親也是左手兜住自己的孩子，與…it is obviously the result of the predominance of right-handedness in the population. By holding the babies in their left arms, the mothers keep their dominant arm free for manipulations. “人們以右手為主的這種優(yōu)勢造成的結(jié)果。母親用自己的左手抱住嬰兒，從而就能騰出自己主要的手臂來從事各種操作。”相悖。因此選B。
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