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

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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】