考点3 阅读理解

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1、圆学子梦想铸金字品牌温馨提示：此题库为Word版，请按住Ctrl，滑动鼠标滚轴，调节合适的观看比例，关闭Word文档返回原板块。一、科普知识类-1-二、广告宣传类-36-四、人物传记类-57-五、文化教育类-67-六、社会生活类-100-七、环境保护类-186-八、文学艺术类-202-考点3阅读理解一、科普知识类(2014·重庆卷·C)话题:生活　　词数:259w　难度:★★★★　　Theideaofbeingabletowalkonwaterhaslonginterestedhumansgreatly.Sadly,biologicalfactsprevent

2、useveraccomplishingsuchathingwithoutartificialaid—wesimplyweightoomuch,andallourmasspushesdownthroughourrelativelysmallfeet,resultinginalotofpressurethatmakesussink.　　However,severaltypesofanimalscanwalkonwater.OneofthemostinterestingisthecommonbasiliskBasilicusbasilicus,alizard(蜥蜴)

3、nativetoCentralandSouthAmerica.Itcanrunacrosswaterforadistanceofseveralmeters,avoidinggettingwetbyrapidlyhittingthewater’ssurfacewithitsfeet.Thelizardwilltakeasmanyas20stepspersecondtokeepmovingforward.Forhumanstodothis,we’dneedhugefeetthatwecouldbringuptoourearsinordertocreateadequ

4、ate“hitting”.　　Butfortunatelythereisanalternative:cornflour.Byaddingenoughofthiscommonthickeningagenttowater(anditdoestakealot),youcancreate-207-圆学子梦想铸金字品牌a“non-Newtonian”liquidthatdoesn’tbehavelikenormalwater.Now,ifthesurfaceofthewaterishithardenough,particles(粒子)inthewatergrouptog

5、etherforamomenttomakethesurfacehard.Movequicklyenoughandputenoughforceintoeachstep,andyoureallycanwalkacrossthesurfaceofanadequatelythickliquidofcornflour.　　Funthoughallthismaysound,it’sstillrathermessyandbetterreadaboutintheorythancarriedoutinpractice.Ifyoumustdoit,thenkeepthewater

6、wingshandyincaseyoustarttosink—andtakeashowerafterward!【文章大意】本文是一篇说明文。水上行走虽然非常有趣,从理论来说是可能的,但在实践中是不切实际的,这主要是由人体的局限性造成的。44.Walkingonwaterhasn’tbecomearealitymainlybecausehumans　　　.A.arenotinterestedinitB.havebiologicallimitationsC.havenotinventedpropertoolsD.areafraidtomakeanattempt【解

7、析】选B。细节理解题。根据第一段中的Sadly,biologicalfactspreventuseveraccomplishingsuchathing...可知,水上行走不能实现是由人体的局限性造成的。45.WhatdoweknowaboutBasilicusbasilicusfromthepassage?A.Itislightenoughtowalkonwater.B.Itshugefeetenableittostayabovewater.C.Itcanrunacrosswateratacertainspeed.D.Itsuniqueskinkeepsitf

8、romgettingwetinwate