考研英语阅读理解模拟题及答案理学类10套文档格式.docx

考研英语阅读理解模拟题及答案理学类10套文档格式.docx

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　　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.Insomecasestheknowledgemayleadtotreatmentsthatdelaytheonsetofthediseaseorsoftenitseffects.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]manydiseaseswillneverbeconqueredbyhumanbeings

　　[D]doctorswillbeabletocureallsortsofflawsinDNAinthelongrun

　　5.Thebesttitleforthetextmaybe______.

　　[A]DNAandHeredity

　　[B]TheGeneticRevolution

　　[C]ABiomedicalRevolution

　　[D]HowtoApplyGeneticTechnology

　　词汇注释

　　stuff物质

　　preamble开端

　　nookandcranny排列

　　potency力量

　　susceptible易受感染的

　　predisposition易患病的体质

　　难句讲解

　　1.TheyknowthathumanDNAactslikeabiologicalcomputerprogramsome3billionbitslongthatspellsouttheinstructionsformakingproteins，thebasicbuildingblocksoflife.

　　[简析]本句话的主干是“Theyknowthat…”。

they指的是前面句子中提到的scientists;

第一个引导的是宾语从句，some3billionbitslong修饰computerprogram，第二个that也修饰computerprogram;

thebasicbuildingblocksoflife是在解释proteins.

　　2.Anderson，whopioneeredthefirstsuccessfulhumangene-therapyoperations，isleadingthecampaigntoputinformationaboutDNAtouseasquicklyaspossibleinthetreatmentandpreventionofhumandiseases.

　　[简析]本句话的主干是“Andersonisleadingthecampaign…”。

Who引导的非限定性定语从句，修饰Anderson;

toputinformation…短语修饰campaign，其中的touse…作目的状语。

　　3.DNAintheirhandshasbecomebothablu