广东省广州市天河中学高三高考英语二轮复习阅读理解（科普类）06 ---精品解析Word版

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1、-5-高考专题阅读理解（科普类）06十四、Theideaofbeingabletowalkonwaterhaslonginterestedhumansgreatly.Sadly,biologicalfactspreventuseveraccomplishingsuchathingwithoutartificialaid_wesimplyweightoomuch，andallourmasspushesdownthroughourrelativelysmallfeet,resultinginalotofpressurethatmakesussink.However,severaltypesof

2、animalscanwalkonwater.OneofthemostinterestingisthecommonbasiliskBasilicusbasilicus，alizard(蜥蜴)nativetoCentralandSouthAmerica.Itcanrunacrosswaterforadistanceofseveralmeters,avoidinggettingwetbyrapidlyhittingthewater’ssurfacewithitsfeet.Thelizardwilltakeasmanyas20stepspersecondtokeepmovingforward.Fo

3、rhumanstodothis,we，dneedhugefeetthatwecouldbringuptoourearsinordertocreateadequatewhitting.’’Butfortunatelythereisanalternative：cornflour.Byaddingenoughofthiscommonthickeningagenttowater(anditdoestakealot)，youcancreatea“non-Newtonian”liquidthatdoesn’tbehavelikenormalwater.Now,ifthesurfaceofthewate

4、rishithardenough,particles(粒子）inthewatergrouptogetherforamomenttomakethesurfacehard.Movequicklyenoughandputenoughforceintoeachstep,andyoureallycanwalkacrossthesurfaceofanadequatelythickLiquidofcornflour.Funthoughallthismaysound,it’sstillrathermessyandbetterreadaboutintheorythancarriedoutinpractice

5、.Ifyoumustdoit,thenkeepthewaterwingshandyincaseyoustarttosink_andtakeashowerafterward!44.Walkingonwaterhasn’tbecomearealitymainlybecausehumans______.A.arenotinterestedinitB.havebiologicallimitationsC.havenotinventedpropertoolsD.areafraidtomakeanattempt45.WhatdoweknowaboutBasilicusbasilicusfromthep

6、assage?-5--5-A.Itislightenoughtowalkonwater.B.Itshugefeetenableittostayabovewater.C.Itcanrunacrosswateratacertainspeed.D.Itsuniqueskinkeepsitfromgettingwetinwater.46.Whatisthefunctionofthecornflouraccordingtothepassage?A.Tocreateathickliquid.B.Toturnthewaterintosolid.C.Tohelptheliquidbehavenormall

7、y.D.Toenablethewatertomoverapidly.47.Whatistheauthor’sattitudetowardtheideaofhumans’walkingonwater?A.Itisriskybutbeneficial.B.Itisinterestingandworthtrying.IC.tiscrazyandcannotbecomeareality.D.Itisimpracticalthou