考研英语阅读模拟题及答案八篇.docx

考研英语阅读模拟题及答案八篇.docx

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考研英语阅读模拟题及答案八篇

2019年考研英语阅读模拟题及答案【八篇】

　　It'snotentirelyclearwhymedicinehasbeensoslowtobuildonAnderson'searlysuccess.TheNationalInstitutesofHealthbudgetofficeestimatesitwillspend$432millionongene-therapyresearchin2005，andthereisnoshortageofpromisingleads.Thetherapeuticgenesareusuallydeliveredthroughvirusesthatdon'tcausehumandisease.“ThevirusissortoflikeaTrojanhorse，”saysRonaldCrystalofNewYorkPresbyterian/WeillCornellMedicalCollege.“Thecargoisthegene.”

　　AttheUniversityofPennsylvania'sAbramsonCancerCenter，immunologistCarlJunerecentlytreatedHIVpatientswithageneintendedtohelptheircellsresisttheinfection.AtCornellUniversity，researchersarepursuinggene-basedtherapiesforParkinson'sdiseaseandararehereditarydisorderthatdestroyschildren'sbraincells.AtStanfordUniversityandtheChildren'sHospitalofPhiladelphia，researchersaretryingtofigureouthowtohelppatientswithhemophiliawhotodaymustinjectthemselveswithexpensiveclottingdrugsforlife.Animalexperimentshaveshowngreatpromise.

　　Butsomehow，thingsgetlostinthetranslationfromlaboratorytopatient.Inhumantrialsofthehemophiliatreatment，patientsshowaresponseatfirst，butitfadesovertime.Andthefieldhasstillnotrecoveredfromthesetbackitsufferedin1999，whenJesseGelsinger，an18-year-oldwithararemetabolicdisorder，diedafterreceivinganexperimentalgenetherapyattheUniversityofPennsylvania.Someexpertsworrythatthefieldwillbetarnishedfurtherifthenextpeopletobenefitarenotpatientsbutathletesseekinganedge.Thissummer，researchersattheSalkInstituteinSanDiegosaidtheyhadcreateda“marathonmouse”byimplantingagenethatenhancesrunningability;already，officialsattheWorldAnti-DopingAgencyarepreparingtotestathletesforsignsof“genedoping.”Buttheprincipleisthesame，whetheryou'retryingtohelpahealthyrunnerrunfasterorallowamuscular-dystrophypatienttowalk.“Everybodyrecognizesthatgenetherapyisaverygoodidea，”saysCrystal.“Andeventuallyit'sgoingtowork.”

　　1.ThecaseofAshanthiDesilvaismentionedinthetextto____________.

　　[A]showthepromiseofgene-therapy

　　[B]giveanexampleofmoderntreatmentforfataldiseases

　　[C]introducetheachievementofAndersonandhisteam

　　[D]explainhowgene-basedtreatmentworks

　　2.Anderson‘searlysuccesshas________________.

　　[A]greatlyspeededthedevelopmentofmedicine

　　[B]broughtnoimmediateprogressintheresearchofgene-therapy

　　[C]promisedacuretoeverydisease

　　[D]madehimanationalhero

　　3.Whichofthefollowingistrueaccordingtothetext?

　　[A]Ashanthineedstoreceivegene-therapytreatmentconstantly.

　　[B]Despitethehugefunding，generesearcheshaveshownfewpromises.

　　[C]Therapeuticgenesarecarriedbyharmlessviruses.

　　[D]Gene-dopingisencouragedbyworldagenciestohelpathletesgetbetterscores.

　　4.Theword“tarnish”（line5，paragraph4）mostprobablymeans____________.

　　[A]affect

　　[B]warn

　　[C]trouble

　　[D]stain

　　5.Fromthetextwecanseethattheauthorseems___________.

　　[A]optimistic

　　[B]pessimistic

　　[C]troubled

　　[D]uncertain

　　答案：

ABCDA

【第二篇】

Accordingtopsychologists（心理学家）,anemotionisarousedwhenamanoranimalviewssomethingaseitherbadorgood.Whenapersonfeelslikerunningawayfromsomethinghethinkswillhurthim,wecallthisemotionfear.ifthepersonwantstoremovethedangerbyattackingit,wecall　theemotionanger.Theemotionsofjoyandlovearearousedwhenwethinksomethingcanhelpus.Anemotiondoesnothavetobecreatedbysomethingintheoutsideworld.itcanbecreatedbyaperson'sthoughts.

　　Everyonehasemotions.Manypsychologistsbelievethatinfantsarebornwithoutemotions.Theybelievechildrenlearnemotionsjustastheylearntoreadandwrite.Agrowingchildnotonlylearnshisemotionsbutlearnshowtoactincertainsituationsbecauseofanemotion.

　　Psychologiststhinkthattherearetwotypesofemotion：

positiveandnegative.Positiveemotionsincludelove,liking,joy,delight,andhope.Theyarearousedbysomethingthatappealstoaperson.Negativeemotionsmakeapersonunhappyordissatisfied.Theyincludeanger,fear,despair,sadness,anddisgust.ingrowingup,apersonlearnstocopewiththenegativeemotionsinordertobehappy.

　　Emotionsmaybeweakorstrong.Somestrongemotionsaresounpleasantthatapersonwilltryanymeanstoescapefromthem.inordertofeelhappy,thepersonmaychooseunusualwaystoavoidtheemotion.

　　Strongemotionscanmakeithardtothinkandtosolveproblems.Theymaypreventapersonfromlearningorpayingattentiontowhatheisdoing.Forexample,astudenttakinganexaminationmaybesoworriedaboutfailingthathecannotthinkproperly.Theworrydrainsvaluablementalenergyheneedsfortheexamination.

　　56.Welearnfromthepassagethatanemotioniscreatedbysomething___________.

　　A）onethinksbadorgood　　　　　B）onefeelsindanger

　　C）onefacesintheoutsideworld　　D）onetriestoescapefromreallife

　　57.WhichofthefollowingisNOTtrue?

　　A）Childrenlearnemotionsastheygrowup.

　　B）Babiesarebornwithemotions.

　　C）Emotionsfallintotwotypesingeneral.

　　D）Peoplecancopewiththenegativeemotionsinlife.

　　58.Theauthor'spurposeofwritingthispassageisto___________.

　　A）explainwhypeoplehaveemotions

　　B）showhowpeopleavoidthenegativeemotions

　　C）explainwhatpeopleshoulddobeforeemotions

　　D）defineandclassifypeople'semotions

　　59.Wecansafelyconcludethatastudentmayfailinanexamif___________.

　　A）hecannotthinkproperly　　B）hecan'tpayattentiontoit

　　C）hecan'tpayattentiontoit　　D）heisnotfullofenergy

　　60.Asusedinthelastsentence,theworddrainsmeans___________.

　　A）stops　　B）ties　　C）weakens　　D）flowsgradually

　　答案

　　1.A　2.B　3.D　4.B　5.C

【第三篇】

Scientistshaveknownsince1952thatDNAisthebasicstuffofheredity.They'veknownitschemicalstructuresince1953.TheyknowthathumanDNAactslikeabiologicalcomputerprogramsome3billionbitslongthatspellsouttheinstructionsformakingproteins，thebasicbuildingblocksoflife.

　　Buteverythingthegeneticengineershaveaccomplishedduringthepasthalf-centuryisjustapreambletotheworkthatCollinsandAndersonandlegionsofcolleaguesaredoingnow.CollinsleadstheHumanGenomeProject，a15-yearefforttodrawthefirstdetailedmapofeverynookandcrannyandgeneinhumanDNA.Anderson，whopioneeredthefirstsuccessfulhumangene-therapyoperations，isleadingthecampaigntoputinformationaboutDNAtouseasquicklyaspossibleinthetreatmentandpreventionofhumandiseases.

　　Whattheyandotherresearchersareplottingisnothinglessthanabiomedicalrevolution.LikeSiliconValleypiratesreverse-engineeringacomputerchiptostealacompetitor'ssecrets，geneticengineersaredecodinglife'smolecularsecretsandtryingtousethatknowledgetoreversethenaturalcourseofdisease.DNAintheirhandshasbecomebothablueprintandadrug，apharmacologicalsubstanceofextraordinarypotencythatcantreatnotjustsymptomsorthediseasesthatcausethembutalsotheimperfectionsinDNAthatmakepeoplesusceptibletoadisease.

　　Andthat'sjustthebeginning.Forallthefeveredworkbeingdone，however，scienceisstillfarawayfromtheBraveNewWorldvisionofengineeringaperfecthuman—orevenaperfecttomato.Muchmoreresearchisneededbeforegenetherapybecomescommonplace，andmanydiseaseswilltakedecadestoconquer，iftheycanbeconqueredatall.

　　Intheshortrun，themostpracticalwaytousethenewtechnologywillbeingeneticscreening.DoctorswillbeabletodetectallsortsofflawsinDNAlongbeforetheycanbefixed.Insomecasestheknowledgemaylead

　　totreatmentsthatdelaytheonsetofthediseaseorsoftenitseffects.Someonewithageneticpredispositiontoheartdisease，forexample，couldfollowalow-fatdiet.Andifscientistsdeterminethatavitalproteinismissingbecausethegenethatwassupposedtomakeitisdefective，theymightbeabletogivethepatientanartificialversionoftheprotein.Butinotherinstances，almostnothingcanbedonetostoptheravagesbroughtonbygeneticmutations.（409words）

　　1.ItcanbeinferredfromthetextthatCollinsandAndersonandlegionsofcolleagues_____.

　　[A]knowthathumanDNAactslikeabiologicalcomputerprogram

　　[B]havefoundthebasicbuildingblocksoflife

　　[C]haveaccomplishedsomegeneticdiscoveryduringthepasthalf-century

　　[D]aremakingabreakthroughinDNA

　　2.CollinsandAndersonarecitedinthetexttoindicateallthefollowingEXCEPTthat______.

　　[A]time-consumingeffortisneededtoaccomplishthedetailedmapofinhumanDNA

　　[B]humangene-therapyoperationsmaybeappliedtothepatients

　　[C]gene-therapynowisalreadygenerallyusedtothetreatmentandpreventionofhumandiseases

　　[D]informationaboutDNAmaybeusedinthetreatmentandpreventionofhumandiseases

　　3.Theword“pirate”（line2，paragraph3）means______.

　　[A]onewhorobsatseaorplundersthelandfromthesea

　　[B]onewhomakesuseoforreproducestheworkofanotherwithoutauthorization

　　[C]totake（something）bypiracy

　　[D]tomakeuseoforreproduce（another'swork）withoutauthorization

　　4.Wecandrawaconclusionfromthetextthat_____.

　　[A]engineeringaperfecthumanisnotfeasibleforthetimebeing

　　[B]it‘simpossibleforscientiststoengineeraperfecttomato

　　[C]manyd