【考试宝典】2014年职称英语考试卫生类阅读判断练习题(二).doc

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1、职称英语考试宝典系列软件　【考试宝典】2014年职称英语考试卫生类阅读判断练习题（二）UsingHIVVirustoCureCancer　　Scientistsareplanningtousehumanimmunodeficiency(免疫缺陷)virus(HIV)，oneofmankind'smostfearedviruses，asacarrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbecured.Theexpelssay

2、HIVhasanalmostperfectabilitytoavoidthebody'simmune(免疫的)defenses，makingitidealforcarryingreplacementgenesintopatients'bodies，accordingtotheObservef　　AteamattheCalifornia-basedSalkInstitute，oneoftheworld'sleadingresearchcentersonbiologicalsciences，hascr

3、eatedaspecialnewbreedofHIVandhasstartednegotiationswiththeU.S.FoodandDrugAdministration(FDA)tobeginclinicalgenetherapy(治疗)trialsthisyear.ThefirsttrialsareexpectedtoinvolvepatientssufferingfromcancersthatcannotbecuredbysurgeryalthoughprojectleaderProfe

4、ssorInderVermasaidtheHIVtechniquewouldhave"farwiderapplications".职称英语考试宝典系列软件　　Theplanremainsverylikelytocausecontroversysinceitinvolvesmakinguseofaviruswhichhascausedmorethan22milliondeathsaroundtheworldinthepasttwodecades.Vermasaidthattheideaofusing

5、HIVforabeneficialpurposewas"shocking''butthefiercenatureofHIVhaddisappearedbyhavingallsixofthepotentiallydeadlygenesremoved.　　Illnessessuchasvariouscancersarecausedwhenageneinapatient'sbodyfailstoworkproperly.Inthepasttwoyears，breakthroughsingenetics(

6、遗传学)haveledgenetherapyscientiststotryandreplacethegenesthatdonotfunctionnormally.　　Unfortunately.thebody'simmunedefenseshavebeenknowntoattackthemodifiedgenesandmakethemlosetheireffectsbeforetheycanstarttheirtaskandprogressinthefieldhasbeenheldupbythel

7、ackofasuitablecarrier.　　TheHIVvirushastheabilitytoescapefrOm。andthendestroy，theImmunedefense　　cellsdesignedtoprotectourbodiesandthismakesitattractivetoscientistsasawayof职称英语考试宝典系列软件　　secretlyconveyingreplacementgenesintopatients'bodies.　　1.FDAhasappro

8、vedtheplanofusingHIVtocurecancerinhumans　　A.Right　　B.Wrong　　C.Notmentioned　　2.TheideaofusingHIVforabeneficialpurposehasbeenwidelyaccepted　　A.Right　　B.Wrong　　C.Notmentioned　　3.HIVcanbesafelyusedtocurecanceronlyifthedeadlygeneshavebeenremoved　　A