2017届河南省顶级名校高三入学定位考试英语试题及答案

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1、河南省顶级名校2015届高三年级入学定位考试英语试卷第一部分阅读理解（20*2=40）ASincethe1970s,scientistshavebeensearchingforwaystolinkthebrainwithcomputers.Brain-computerinterface(BCI)technologycouldhelppeoplewithdisabilitiessendcommandstomachines.Recently,tworesearchers,JoseMilanandMicheleTavellafromtheFederalPolyte

2、chnicschoolinLausanne,Switzerland,demonstratedasmallroboticwheelchairdirectedbyaperson’sthoughts.Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrightband.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.“Ourbrainhasbillionsofnervecells.T

3、hesesendsignalsthroughthespinalcord（脊髓）tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays.“Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices.”Theresearch

4、ersdesignedaspecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp(头皮)andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain.Prof.Mil

5、an,theteamleader,saysscientistskeepimprovingthecomputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands.“ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communication,andcontrollingdevices.Oneexampleisthiswheelchair.”Hesay

6、shisteamhassettwogoals.Oneistestingwithrealpatients,soastoprovethatthisisatechnologytheycanbenefitfrom.Andtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftime.1.BCIisatechnologythatcan________.A.helptoupdatecomputersystemsB.linkthehumanbrainwithcomputersC.helpthedi

7、sabledtorecoverD.controlaperson'sthoughts2.How"didTavellaoperatethewheelchairinthelaboratory?A.Bycontrollinghismuscles.B.Bytalkingtothemachine.C.Bymovinghishand.D.Byusinghismind.3.WhichofthefollowingshowsthepathofthesignalsdescribedinParagraph5?A.scalp→computer→cap→wheelchairB.comp

8、uter→cap→scalp→wheelchairC