欢迎来到天天文库
浏览记录
ID:56086240
大小:994.00 KB
页数:5页
时间:2020-06-19
《【课堂新坐标】2013届高三英语一轮复习 4课时知能训练 新人教版选修6(广东专用).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,JoseMillanandMicheleTavellafromtheFederalPolytechnicSchoolinLausann
2、e,Switzerland,demonstrated(展示)asmallroboticwheelchairdirectedbyaperson'sthoughts.Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrighthand.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.“Ourbrainhasbillionsofnervecells.Thesesendsignals
3、throughthespinalcord(脊髓)tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays.“Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices.”Theresearchersdesignedasp
4、ecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp(头皮)andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain.Prof.Millan,theteamle
5、ader,saysscientistskeepimprovingthecomputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands.“ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communication,andcontrollingdevices.Oneexampleisthiswheelchair.”Hesayshisteamhas
6、settwogoals.Oneistestingwithrealpatients,soastoprovethatthisisatechnologytheycanbenefitfrom.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.BCIisatechnolo
7、gythatcan________.A.helptoupdatecomputersystemsB.linkthehumanbrainwithcomputersC.helpthedisabledtorecoverD.controlaperson'sthoughts【解析】 细节理解题。由第一段中的...scientistshavebeensearchingforwaystolinkthebrainwithcomputers.Braincomputerinterface(BCI)technologycouldhelppeoplewithdisabilities
8、sendcommandstomachines.可知选B。【答案】
此文档下载收益归作者所有