广东省广州市天河区2019高考英语二轮复习 阅读理解及解析（科普类）06专题训练（含解析）

《广东省广州市天河区2019高考英语二轮复习 阅读理解及解析（科普类）06专题训练（含解析）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、阅读理解（科普类）06十四、Theideaofbeingabletowalkonwaterhaslonginterestedhumansgreatly.Sadly,biologicalfactspreventuseveracplishingsuchathingwithoutartificialaid_wesimplyweightoomuch，andallourmasspushesdownthroughourrelativelysmallfeet,resultinginalotofpressurethatmakesussink.However,s

2、everaltypesofanimalscanwalkonwater.OneofthemostinterestingisthemonbasiliskBasilicusbasilicus，alizard(蜥蜴)nativetoCentralandSouthAmerica.Itcanrunacrosswaterforadistanceofseveralmeters,avoidinggettingwetbyrapidlyhittingthewater’ssurfacewithitsfeet.Thelizardwilltakeasmanyas20ste

3、pspersecondtokeepmovingforward.Forhumanstodothis,we，dneedhugefeetthatwecouldbringuptoourearsinordertocreateadequatewhitting.’’Butfortunatelythereisanalternative：cornflour.Byaddingenoughofthismonthickeningagenttowater(anditdoestakealot)，youcancreatea“non-Newtonian”liquidthatd

4、oesn’tbehavelikenormalwater.Now,ifthesurfaceofthewaterishithardenough,particles(粒子）inthewatergrouptogetherforamomenttomakethesurfacehard.Movequicklyenoughandputenoughforceintoeachstep,andyoureallycanwalkacrossthesurfaceofanadequatelythickLiquidofcornflour.Funthoughallthismay

5、sound,it’sstillrathermessyandbetterreadaboutintheorythancarriedoutinpractice.Ifyoumustdoit,thenkeepthewaterwingshandyincaseyoustarttosink_andtakeashowerafterward!44.Walkingonwaterhasn’tbeearealitymainlybecausehumans______.A.arenotinterestedinitB.havebiologicallimitationsC.ha

6、venotinventedpropertoolsD.areafraidtomakeanattempt45.WhatdoweknowaboutBasilicusbasilicusfromthepassage?A.Itislightenoughtowalkonwater.B.Itshugefeetenableittostayabovewater.C.Itcanrunacrosswateratacertainspeed.D.Itsuniqueskinkeepsitfromgettingwetinwater.46.Whatisthefunctionof

7、thecornflouraccordingtothepassage?A.Tocreateathickliquid.B.Toturnthewaterintosolid.C.Tohelptheliquidbehavenormally.D.Toenablethewatertomoverapidly.47.Whatistheauthor’sattitudetowardtheideaofhumans’walkingonwater?A.Itisriskybutbeneficial.B.Itisinterestingandworthtrying.IC.tis

8、crazyandcannotbeeareality.D.Itisimpracticalthoughtheoreticallypossible.【考点】