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高考英语阅读理解(科普环保)精编习题.doc

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高考英语阅读理解(科普环保)精编习题 一、高中英语阅读理解科普环保类 1．犇犇阅读理解 Accordingtoarecentstudy,anewgeneticallymodifiedricecanpreventinfectionsofHIV,thevirusresponsibleforthediseaseAIDS. Thestudyreportsthenewly-developedriceproducesproteinsthatattachdirectlytotheHIVvirus.Thisprocesspreventsthevirusfrommixingwithhumancells.Thescientistssayitcanremovetheeffectofthevirusandblockitsspreading. TheJointUnitedNationsProgramonHIV/AIDSreportsthatworldwide,nearly37millionpeoplewerelivingwithHIVin2017.Theorganizationsaysthelargestnumberofthoseareindevelopingcountries.Nearlytwo-thirdsofHIVcasesareinAfrica.NowthereisnocureforHIV/AIDSthoughtherehavebeendevelopmentsinoraldrugtreatmentstoslowtheprogressionofthedisease. Thenewstudypredictstherice-basedmethodwillleadtolong-termuseoftheanti-HIVtreatmentacrossthedevelopingworld.Researcherssaidthe"groundbreaking"discoveryis"realisticallytheonlyway"thatanti-HIVcombinationtreatmentscanbeproducedatacostlowenoughforthedevelopingworld. Theysaytheeasiestandmostcost-effectivewaytousethericewillbetomakeitintoacreamtobeputontheskin.TheHIV-fightingproteinscanthenenterthebodythroughtheskin.Peopleallovertheworldcouldgrowthericeandmakethecreamthemselves.Thiswouldpreventthecostandtravelrequiredformanypatientstoreceivetreatmentsandmedicine. Theprocessofchangingthegeneticstructureoffoodcropshasbeendebatedforsometime.Criticsofgeneticallyengineeredcropsbelievetheycanharmpeople.Thescientificteamsaysfurthertestingisneededtoensurethatthegeneticengineeringprocessdoesnotproduceanyadditionalchemicalsthatcouldbedangeroustopeople. （1）Whatdoestheauthorintendtodoinparagraph3? A.StresstheurgencyofHIVtreatments. B.ProvidesomedataaboutHIV. C.RemindreadersofHIVprevention. D.IntroduceHIVtothepublic. （2）Inwhichwaywillthericebeusedatthelowestcost? A.Bytransformingitintoproteins. B.Byaddingittoanoraldrug. C.ByattachingittotheHIVvirus. D.Byprocessingitintoacream. （3）Whatcanweinferaboutthegeneticengineeringprocess? A.ItcanpreventinfectionsofHIV. B.Itcanproducedangerouschemicals. C.Itstillrequiresperf