深圳市高考英语阅读理解精英训练精品题(20)

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...