阅读理解ASincethe1970s,scientistshavebeensearchingforwaystolinkthebrainwithcomputers.Brain-computerinterface(BCI)technologycouldhelppeoplewithdisabilitiessendcommandstomachines.Recently,tworesearchers,JoseMillanandMicheleTavellafromtheFederalPolytechnicschoolinLausanne,Switzerland,demonstrated（展示）asmallroboticwheelchairdirectedbyaperson’sthoughts.Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrightband.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.“ourbrainhasbillionsofnerveceils.Thesesendsignalsthroughthespinalcord（脊髓）tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays.“Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices.”Theresearchersdesignedaspecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp(头皮)andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain.Prof.Millan,theteamleader,saysscientistskeepimprovingthecomputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands.“ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communication,andcontrollingdevices.Oneexampleisthiswheelchair.”Hesayshisteamhassettwogoals.Oneistestingwithrealpatients,soastoprovethatthisisatechnologytheycanbenefitfront.Andtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftime.5\n71.BCIisatechnologythatcanA.helptoupdatecomputersystemsB.linkthehumanbrainwithcomputersC.helpthedisabledtorecoverD.controlaperson'sthoughts72.How"didTavellaoperatethewheelchairinthelaboratory?A.Bycontrollinghismuscles.B.Bytalkingtothemachine.C.Bymovinghishand.D.Byusinghismind.73.WhichofthefollowingshowsthepathofthesignalsdescribedinParagraph5?A.scalp→computer→cap→wheelchairB.computer→cap→scalp→wheelchairC.scalp→cap→computer→wheelchairD.cap→compute→scalp→wheelchair74.TheteamwilltestwithrealpatientstoA.makeprofitsfromthemB.provethetechnologyusefultothemC.makethemlivelongerD.learnabouttheirphysicalcondition75.Whichofthefollowingwouldbethebesttitleforthetext?A.Switzerland,theBCIResearchCenterB.NewFindingsAboutHowtheHumanBrainWorksC.BCICouldMeanMoreFreedomfortheDisabledD.RoboticVehiclesCouldHelptoCureBrainInjuries【文章大意】科普说明文。本文介绍了BCI脑机接口技术，它是帮助残疾人向机器输送指令。5\n键词应该出现在标题中，选B。DianaJacobsthoughtherfamilyhadaworkableplantopayforcollegeforher21-year-oldtwinsons:acombinationofsavings,income,scholarships,andamodestamountofborrowing.Thenherhusbandlosthisjob,andtheplanfellapart.“Ihavetwokidsincollege,andIwanttosay‘comehome,’butatthesametimeIwanttoprovidethemwithagoodeducation,”saysJacobs.TheJacobsfamilydidworkoutasolution:Theyaskedandreceivedmoreaidformtheschools,andeachsonincreasedhisborrowingtothemaximumamountthroughthefederalloan(贷款)program.Theywilleachgraduatewith$20,000ofdebt,butatleasttheywillbeabletofinishschool.Withunemploymentrising,financialaidadministratorsexpecttohearmorefamiliesliketheJacobs.Morestudentsareapplyingforaid,andmorefamiliesexpecttoneedstudentloans.Collegeadministratorsareconcernedthattheywillnothaveenoughaidmoneytogoaround.Atthesametime,tuition（学费）continuestorise.AreportfromtheNationalCenterforPublicPolicyandHigherEducationfoundthatcollegetuitionandfeesincreased439%from1982to2022,whileaveragefamilyincomerosejust147%.Studentborrowinghasmorethandoubledinthelastdecade,“Ifwegoonthiswayforanother25years,wewon’thaveanaffordablesystemofhighereducation,”saysPatrickM.Callan,presidentofthecenter.“Themiddleclassfamilieshavebeenfinancingitthroughdebt.Theywillsendkidstocollegewhateverittakes,evenifthatmeansahugeamountofdebt.”Financialaidadministratorshavebeenhavingahardtimeasmanycompaniesdecidethatstudentloansarenotprofitableenoughandhavestoppedmakingthem.Thegoodnews,however,isthatfederalloansaccountforaboutthreequartersofstudentborrowing,andthegovernmentsaysthatmoneywillflowuninterrupted.66.AccordingtoParagraph1,whydidtheplanofJacobsfamilyfail?A.Thetwinswastedtoomuchmoney.B.Thefatherwasoutofwork.C.Theirsavingranout.5\nD.Thefamilyfellapart.67.HowdidtheJacobsmanagetosolvetheirproblem?A.Theyaskedtheirkidstocomehome.B.Theyborrowed$20,000fromtheschool.C.Theyencouragedtheirtwinsonstodopart-timejobs.D.Theygothelpfromtheschoolandthefederalgovernment.68.Financialaidadministratorsbelievethat_______.A.morefamilieswillfacethesameproblemastheJacobsesB.thegovernmentwillreceivemorelettersofcomplaintC.collegetuitionfeeswilldoublesoonD.America’sunemploymentwillfall69.Whatcanwelearnaboutthemiddleclassfamiliesfromthetext?A.Theyblamedthegovernmentforthetuitionincrease.B.Theirincomeremainedsteadyinthelastdecade.C.Theywilltrytheirbesttosendkidstocollege.D.Theirdebtswillbepaidoffwithin25years.70.Accordingtothelastparagraph,thegovernmentwill.A.providemoststudentswillscholarshipsB.dismisssomefinancialaidadministratorsC.stopthecompaniesfrommakingstudentloansD.goonprovidingfinancialsupportforcollegestudents【文章大意】这是一篇关于学费贷款的文章。66.答案B。根据文章第一段的herhusbandlosthisjob可以得出，双胞胎儿子好上学交学费，丈夫事业，家庭陷入困境。5\n停止，两者是对立关系。5
