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1、Module4 GreatScientistsⅠ.阅读理解[2019·郑州市高三第三次质量预测]Foraslongaswe'veknownaboutit,humanshavesearchedforacureforcancer.Acrosstheworld,countlessamountsoftimeandmoneyhavebeenspentonresearchingawaytostopthisterribledisease.Butnow,itseemsliketheanswercouldhavebeeninsideourownbodiesthew
2、holetime.Recently,theFoodandDrugAdministration(FDA)intheUS,agovernmentagencythat'sresponsibleforhealthcare,approvedanewformofgenetherapythatcouldmeantheendofacertaintypeofcancer.Thetherapyallowsscientiststo“train”theimmune(有免疫力的)cellsofsickpatientstofightleukemia—aformofblood
3、cancerthatmostlyaffectsyoungpeople.Theexcitingnewtreatmentworksbyremovinghealthyimmunecellsfromthepatient,knownasTcells,whicharethenchangedtobeableto“huntdown”cancercells.Thecellsarethenputbackintothepatientbeforetheybegintogetridofthepatient'sleukemiaovertime,similartohowthe
4、bodyfightsoffotherillnesses.“Thisistrulyanexcitingnewdayforcancerpatients，”LouisJ.DeGennaro,presidentofTheLeukemia&LymphomaSociety,saidinanewsrelease.Upuntilnow,alongandpainfulmarrowtransplant(骨髓移植)wastheonlyoptionformanyleukemiapatients.Inthisprocedure,healthybloodcellsareta
5、kenfromadonorandplacedintothesickpatient,whoalsohastogothroughchemotherapy(化疗)toallowtheirbodytoadjusttothenewcells.Butwitharecoveryrateofaround83%—accordingtoanewsreleasepublishedbytheFDA—it'shopedthatthedaysofpainfultripstothehospital,orevendeath,areoverforleukemiasufferers
6、.“We'reenteringanewfrontierinmedicalinnovationwiththeabilitytoreprogramapatient'sowncellstoattackadeadlycancer，”FDArepresentativeScottGottliebsaidintherelease.“Newtechnologiessuchasgeneandcell-10-therapiesholdthepotentialtotransformmedicineandourabilitytotreatandevencuremanyi
7、ncurableillnesses.”1．Whatistheauthor'smainpurposeinwritingthepassage?A．Tocomparedifferentwaysofcuringleukemia.B．Toreportonabreakthroughincancertreatment.C．Toexplorethepotentialofgeneandcelltherapies.D．Toshowscientists'effortsinsearchofacureforcancer.2．Howdoesthenewtreatmentfo
8、rleukemiawork?A．ByusingchangedTcellstodestroycancercells.B．Byreplaci
