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时间:2020-04-03
《2013届高考英语一轮复习课时知能训练 Unit 4 Global warming 新人教版选修6.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、课时知能训练Ⅰ.阅读理解(2011·山东高考)Sincethe1970s,scientistshavebeensearchingforwaystolinkthebrainwithcomputers.Braincomputerinterface(BCI)technologycouldhelppeoplewithdisabilitiessendcommandstomachines.Recently,tworesearchers,JoseMillanandMicheleTavellafromtheFederalPolytechnicSchoolinLausanne,Switzerl
2、and,demonstrated(展示)asmallroboticwheelchairdirectedbyaperson'sthoughts.Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrighthand.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.“Ourbrainhasbillionsofnervecells.Thesesendsignalsthroughthespinalcord
3、(脊髓)tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays.“Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices.”Theresearchersdesignedaspecialcapfortheuser.Thisheadcov
4、erpicksupthesignalsfromthescalp(头皮)andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain.Prof.Millan,theteamleader,saysscientistskeepimprovingthecompu
5、tersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands.“ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communication,andcontrollingdevices.Oneexampleisthiswheelchair.”Hesayshisteamhassettwogoals.Oneistestingwithrealpatients,soastopro
6、vethatthisisatechnologytheycanbenefitfrom.Andtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftime.【语篇解读】 本文主要介绍了JoseMillan和MicheleTavella利用Braincomputerinterface(BCI)technology制作的由人的意念控制的轮椅以及其工作原理等。1.BCIisatechnologythatcan________.A.helptoupdatecomputersystemsB.linkthehuma
7、nbrainwithcomputersC.helpthedisabledtorecoverD.controlaperson'sthoughts【解析】 细节理解题。由第一段中的...scientistshavebeensearchingforwaystolinkthebrainwithcomputers.Braincomputerinterface(BCI)technologycouldhelppeoplewithdisabilitiessendcommandstomachines.可知选B。【答案】
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