2013年高考英语试题分类汇编之科普类阅读理解

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1、**2013年高考英语试题分类汇编之科普类阅读理解【重庆卷】CAlmosteverymachinewithmovingpartshaswheels,yetnooneknowsexactlywhenthefirstwheelwasinventedorwhatitwasusedfor.Wedoknow,however,thattheyexistedover5,500yearsagoinancientAsia.Theoldestknowntransportwheelwasdiscoveredin2002inSlovenia.Itisover5,10

2、0yearsold.Evidencesuggeststhatwheelsfortransportdidn'tbecomepopularforawhile,though.Thiscouldbebecauseanimalsdidaperfectlygoodjobofcarryingfarmingtoolsandhumansaround.Butitcouldalsobebecauseofadifficultsituation.Whilewheelsneedtorollonsmoothsurfaces,roadswithsmoothsurfacesw

3、eren'tgoingtobeconstructeduntiltherewasplentyofdemandforthem.Eventually,roadsurfacesdidbecomesmoother,butthisdifficultsituationappearedagainafewcenturieslater.Therehadbeennoimportantchangesinwheelandvehicledesignbeforethearrivalofmodemroaddesign.Inthemid-1700s,aFrenchmancam

4、eupwithanewdesignofroad—abaselayer(层)oflargestonescoveredwithathinlayerofsmallerstones.AScotsmanimprovedonthisdesigninthe1820sandastrong,lastingroadsurfacebecameareality.Ataroundthesamelime,metalhubs(thecentralpartofawheel)cameintobeing,followedbythepneumatictyre(充气轮胎)in184

5、6.Alloywheelswereinventedin1967,sixtyyearsaftertheappearanceoftarmackedroads(柏油路).Aswheeldesigntookoff,vehiclesgotfasterandfaster.64.Whatmightexplainwhytransportwheelsdidn'tbecomepopularforsometime?A.Fewknewhowtousetransportwheels.B.Humanscarriedfarmingtoolsjustaswell.C.Ani

6、malswereagoodmeansoftransport.D.Theexistenceoftransportwheelswasnotknown.65.Whatdoweknowaboutroaddesignfromthepassage?A.Itwaseasierthanwheeldesign.B.Itimprovedafterbigchangesinvehicledesign.C.Itwaspromotedbyfast-movingvehicles.D.Itprovidedconditionsforwheeldesigntodevelop.6

7、6.Howisthelastparagraphmainlydeveloped?A.Bygivingexamples.B.Bymakingcomparisons.***C.Byfollowingtimeorder.D.Bymakingclassifications.67.Whatisthepassagemainlyabout?A.Thebeginningofroaddesign.B.Thedevelopmentoftransportwheels.C.Thehistoryofpublictransport.D.Hisinventionoffast

8、-movingvehicles.【语篇解读】本文是一篇说明文，题材是车轮。全文讲述了车轮的发展历程以及道路设计对车轮发展的影响。段落关键词、句大意推测第一部分（Pa