深圳市 2014 高考英语阅读理解精英训练精品题(20)及答案【深圳市 2014 高考英语综合能力测试题(10)】DCanadianresearcherssaidtheyhaddevelopedanantibodytreatment,whichmaybeabletopreventdeathfromEbolavirus,evenforthosewhohavebeeninfectedforthreedays.Thefindings,publishedintheUSjournalScienceTranslationalMedicine,suggestedthatitmaybepossibletodevelopacureforEbola,evenafterthevirusisdetectedinthebloodanddiseasesymptomshavebecomeapparent.Althoughrare,Ebolavirusisconsideredasoneofthemostaggressivevirusesbecauseofitsrapidityofdeath,whichcanbeoneweekfromexposure,orthreetofourdaysfromthetimethefirstsymptomsbecomeapparent.“Forthisreason,suchatreatmenthasbeenconsideredtobeclosertothefieldofsciencefictionthancontemporaryscientificresearch,”saidleadauthorQiuXiangguoatthePublicHealthAgencyofCanada.Intheirstudy,theresearchersgaveEbola-infectedmonkeysatreatmentmadeofthreespecificantibodies(抗体)incombinationwithinterferon-alpha(a干扰素),whichisproducednaturallybythebodytofightviruses.Onceincontactwithouterregionsofthevirus,theseantibodiescanreducetheabilityofthevirustoreproduce.Atthesametime,theinterferon-alphaincreasesthedefenseoftheinfectedindividualbystimulatinganaturalbutrapidandpowerfulanti-viralresponse,shesaid.“Althoughwewereveryoptimistic,wewerenotexpectingtosee100percentsurvivalofEbolainfectedmonkeys,whentheyaretreatedonlythreedaysbeforetheydieofthediseaseonaverage,”Qiusaid.“Thisstudyshowsthatwhatseemsimpossibleformanytodevelopacurecapable(有能力的 ) ofstoppingEbolavirusonlyafewdaysbeforedeath,hasnowbeenmadeandproventobeeffective,”sheadded.41. Ebolavirusisconsideredasoneofthemostdangerousvirusesbecause.A. peoplegetinfectedeasilyB. itdoesn'tshowanysymptomsC. itcankillapersoninaweekD. fewpeopledostudyaboutit42. AccordingtoParagraph4,theinterferon-alphacan.A. enterintoinnerpartofthevirusB. killtheEbolavirusimmediatelyC. stoptheEbolavirusfromreproducingD. helpimprovethedefenseoftheinfected43. Whatcanbeinferredfromthetext?A. Thenewantibodiescaneff...