2014高考英语阅读理解基础精品练习题(58)及答案

2014高考英语阅读理解基础精品练习题（58）及答案阅读理解DNA(Deoxyribonucleicacid)isoneofthemostimportantdiscoveriesinscience.DNAistheplanforthehumanbeing,asablueprintistheplanforabuilding.DNAmakesapersonlookthewayhedoes.Aperson’sDNAcomesfromamixingofhisparents’DNA.That’swhyachildlookslikehisparents.But,besidescontrollingthingssuchasheightandhaircolor,DNAcanalsogivepeoplediseases.ScientistsarenowstudyingDNAtocurediseases.Intheseventies,scientistsdevelopedaprocesscalledrecombinant(重新组合)orRDNA.Althoughitsoundsdifficulttounderstand,RDNAsimplymeanstakingDNAfromoneanimalorplantandputtingitintoanother.Bydoingso,scientistscancreatenewbeings.Insodoing,scientistscanbetterunderstandDNA,especiallywhatpartsofDNAdowhat.AftertheyunderstandDNA,scientistscanbegintocurediseases.Often,thenewbeingcreatedwillitselfbethecure.Besidescuringdiseases,RDNAresearchcanalsodootherthings.Forexample,scientistsinJapanhavealreadycreated“super－trees”.Treeshelphumans,becausetheytakeCO2,whichpoisonshumans,fromtheairandturnitintooxygen,whichletshumansbreathe.“Super－trees”dothistoo,butdoitmuchfaster.AsthingssuchascarsandfactorieshavealreadyputmuchCO2inthearea,“super－trees”arebadlyneeded.Unfortunately,thereisaseriousdangerinRDNAresearch.Scientistswanttocreateanimalstocureolddiseases,butthesenewanimalsmayalsocreatenewdiseases.Itwillbeaseriousproblemiftheanimalsescapefromthesciencelaboratoryandintonature.Astheseanimalsarenotnatural,theymaylet_loosemanynewpowerfuldiseases.Asaresult,RDNAresearchwillcreatemanysolutions(解决方案),butitwillalsocreatemanyproblems.5．Fromthepassage,wecanknowthataboylookslikehisparentsbecause______.A.heissonofhisparentsB.hisparents’DNAdecideshisappearanceC.hehasreceivedDNAfromhisfatherorhismotherD.scientistshaveputsomeofhisparents’DNAintohim6．Whatdoestheunderlinedexpression“letloose”probablymean?A.let...gofreeB.getridofC.absorbD.survive7．Whatisthebesttitleforthepassage?A.TheDANResearchinJapan.B.ANewWayofDNAResearchinJapan.C.TheCausesandEffectsofDNAResearch.D.TheAdvantagesandDisadvantagesofRDNA.8．ThefollowingstatementsaretrueaboutRDNAresearchEXCEPT______.A.theresearchhasbeenstoppedbecausethecreatedanimalscarryvirusesB.“super－trees”mightbewidelyplantedaroundtheworldC.scientistshavenotcompletelyunderstoodDNAD.RDNAresearchwillbenefithumanbeingsalot[答案]说起DNA，大家都知道它指的是遗传基因，可你知道什么是RDNA吗？本文将带你去探索这个神秘的微观世界。5．B。细节理解题。根据第一段第四句和第五句可知孩子之所以看起来像父母是由于父母的DNA决定了他的相貌。父母不是把他们的DNA以外在形式传递给孩子，因而D项错误。6．A。词义猜测题。本段前面提到这种被科学家们创造出来的动物可能会产生新的疾病，所以如果它们从实验室中逃脱，可能会“传播”很多新的可怕的疾病。后三项分别表示“除掉”“吸收”“幸存”，都不符合语境。7．D。主旨大意题。文章从第二段开始叙述的都是RDNA的优点和缺点，因此本部分内容是文章的中心。8．A。细节理解题。此项在文章中没有信息支持。由于“super－trees”能比普通的树更快地吸收二氧化碳，所以能在全世界种植；根据第一段最后一句可知科学家还没有完全理解DNA；根据第二段后半部分和第三段前半部分可知D项本身没有错误。阅读理解ResearchersinBritainaredrivingtheenvironmentalmovementtoawholenewlevel.AteamfromtheUniversityofWarwickhasbuiltwhatitcallstheworld'sfirstcompletelyenvironmentally­friendlyFormulaThreeracingcar.Thecarismademainlyofsustainableandrenewablematerials,likeplantsandvegetables.Thestructurearoundthecarismadefromnaturalplantfibersandpotatoes.Thesteeringwheelismadefromrootvegetableslikecarrots.Theengineusesbiofuelmadefromvegetableoilandwastechocolate.Thenewracecarisextremelyfast.Thecarhasatopspeedof215kilometersanhour.Anditcangofromzeroto95kilometersanhourinjusttwoandonehalfseconds.TheracecarmeetsalloftheFormulaThreeracingrequirementsexceptforitsbiodiesel(生质柴油)engine.ThecarresultedfromtheeffortsoftheUniversityofWarwick'sManufacturingGroupandtheWarwickInnovativeManufacturingResearchCenter.Theydevelopedthecarbecauseofcriticismoftheracingindustry.Automobileracingisoneofthemostwidelywatchedsportsintheworld.Butitalsoisconsideredoneoftheleastfriendlytotheenvironment.Racecarsburnalotoffuel,andcreatealotofairpollution.Inrecentyears,theracingindustryhastakenstepstoprotecttheenvironment.Moreracingcompaniesarenowproducingcarsthatuselessenergy.Thesecarsproducelesspollutionthanvehiclesthatdependontraditionalfuels,likegasoline.Lastyear,twoAmericangovernmentagenciesandaninternationalorganizationannouncedanumberofpoliciesforenvironmentally­friendlyracing.TheyareknownastheGreenRacingProtocols(协议)．ThetwoagenciesaretheUnitedStatesDepartmentofEnergyandtheUSEnvironmentalProtectionAgency.TheorganizationSAEInternationalrepresentsengineersandtechnicalexpertsinthetransportationindustry.OfficialsfromtheAmericanLeMansSeriesalsowereinvolvedintheeffort.TheAmericanLeMansSeriesbecamethefirstracingeventtousetheprotocolsinitsGreenChallengecompetition.TheracewasheldinOctoberoflastyear.Lastmonth,theWorldFirstFormulaThreeracingcarwassettoruninitsfirstcompetitiveraceattheFormulaThreeChampionshipFinalatBrandsHatch.Itwouldhavebeenthefirstbiodiesel­poweredcartoraceatFormulaThree.CurrentFormulaThreerulesletonlygasoline­poweredcarscompete.OfficialsneededpermissionfromalloftheotherFormulaThreeracersforthebiodieselWorldFirstcartocompete.Theywereunabletocontactoneofthedrivers,sotheWorldFirstcarwasbarredfromtheevent.Intestruns,theWorldFirstcarwasthefifthfastestamongFormulaThreeracingcars.Supportersarehopingtohavethefuelissueresolvedintimetocompetenextseason.语篇解读：英国研究者使环境保护再上一