2017届高考英语一轮复习课时知能训练：人教版选修六 Unit 4《Global warming》
<p> 课时知能训练</p><p> Ⅰ.阅读理解</p><p> (2011·山东高考)<span word="Since">Since</span> <span word="the">the</span> 1970<span word="s">s</span>，<span word="scientists">scientists</span> <span word="have">have</span> <span word="been">been</span> <span word="searching">searching</span> <span word="for">for</span> <span word="ways">ways</span> <span word="to">to</span> <span word="link">link</span> <span word="the">the</span> <span word="brain">brain</span> <span word="with">with</span> <span word="computers">computers</span>.<span word="Brain">Brain</span><span word="computer">computer</span> <span word="interface">interface</span> (<span word="BCI">BCI</span>) <span word="technology">technology</span> <span word="could">could</span> <span word="help">help</span> <span word="people">people</span> <span word="with">with</span> <span word="disabilities">disabilities</span> <span word="send">send</span> <span word="commands">commands</span> <span word="to">to</span> <span word="machines">machines</span>.</p><p> <span word="Recently">Recently</span>，<span word="two">two</span> <span word="researchers">researchers</span>，<span word="Jose">Jose</span> <span word="Millan">Millan</span> <span word="and">and</span> <span word="Michele">Michele</span> <span word="Tavella">Tavella</span> <span word="from">from</span> <span word="the">the</span> <span word="Federal">Federal</span> <span word="Polytechnic">Polytechnic</span> <span word="School">School</span> <span word="in">in</span> <span word="Lausanne">Lausanne</span>，<span word="Switzerland">Switzerland</span>，<span word="demonstrated">demonstrated</span>(展示)<span word="a">a</span> <span word="small">small</span> <span word="robotic">robotic</span> <span word="wheelchair">wheelchair</span> <span word="directed">directed</span> <span word="by">by</span> <span word="a">a</span> <span word="person">person</span>'<span word="s">s</span> <span word="thoughts">thoughts</span>.</p><p> <span word="In">In</span> <span word="the">the</span> <span word="laboratory">laboratory</span>，<span word="Tavella">Tavella</span> <span word="operated">operated</span> <span word="the">the</span> <span word="wheelchair">wheelchair</span> <span word="just">just</span> <span word="by">by</span> <span word="thinking">thinking</span> <span word="about">about</span> <span word="moving">moving</span> <span word="his">his</span> <span word="left">left</span> <span word="or">or</span> <span word="right">right</span> <span word="hand">hand</span>.<span word="He">He</span> <span word="could">could</span> <span word="even">even</span> <span word="talk">talk</span> <span word="as">as</span> <span word="he">he</span> <span word="watched">watched</span> <span word="the">the</span> <span word="vehicle">vehicle</span> <span word="and">and</span> <span word="guided">guided</span> <span word="it">it</span> <span word="with">with</span> <span word="his">his</span> <span word="thoughts">thoughts</span>.</p><p> “<span word="Our">Our</span> <span word="brain">brain</span> <span word="has">has</span> <span word="billions">billions</span> <span word="of">of</span> <span word="nerve">nerve</span> <span word="cells">cells</span>.<span word="These">These</span> <span word="send">send</span> <span word="signals">signals</span> <span word="through">through</span> <span word="the">the</span> <span word="spinal">spinal</span> <span word="cord">cord</span>(脊髓)<span word="to">to</span> <span word="the">the</span> <span word="muscles">muscles</span> <span word="to">to</span> <span word="give">give</span> <span word="us">us</span> <span word="the">the</span> <span word="ability">ability</span> <span word="to">to</span> <span word="move">move</span>.<span word="But">But</span> <span word="spinal">spinal</span> <span word="cord">cord</span> <span word="injuries">injuries</span> <span word="or">or</span> <span word="other">other</span> <span word="conditions">conditions</span> <span word="can">can</span> <span word="prevent">prevent</span> <span word="these">these</span> <span word="weak">weak</span> <span word="electrical">electrical</span> <span word="signals">signals</span> <span word="from">from</span> <span word="reaching">reaching</span> <span word="the">the</span> <span word="muscles">muscles</span>，”<span word="Tavella">Tavella</span> <span word="says">says</span>.“<span word="Our">Our</span> <span word="system">system</span> <span word="allows">allows</span> <span word="disabled">disabled</span> <span word="people">people</span> <span word="to">to</span> <span word="communicate">communicate</span> <span word="with">with</span> <span word="external">external</span> <span word="world">world</span> <span word="and">and</span> <span word="also">also</span> <span word="to">to</span> <span word="control">control</span> <span word="devices">devices</span>.”</p><p> <span word="The">The</span> <span word="researchers">researchers</span> <span word="designed">designed</span> <span word="a">a</span> <span word="special">special</span> <span word="cap">cap</span> <span word="for">for</span> <span word="the">the</span> <span word="user">user</span>.<span word="This">This</span> <span word="head">head</span> <span word="cover">cover</span> <span word="picks">picks</span> <span word="up">up</span> <span word="the">the</span> <span word="signals">signals</span> <span word="from">from</span> <span word="the">the</span> <span word="scalp">scalp</span>(头皮)<span word="and">and</span> <span word="sends">sends</span> <span word="them">them</span> <span word="to">to</span> <span word="a">a</span> <span word="computer">computer</span>.<span word="The">The</span> <span word="computer">computer</span> <span word="interprets">interprets</span> <span word="the">the</span> <span word="signals">signals</span> <span word="and">and</span> <span word="commands">commands</span> <span word="the">the</span> <span word="motorized">motorized</span> <span word="wheelchair">wheelchair</span>.<span word="The">The</span> <span word="wheelchair">wheelchair</span> <span word="also">also</span> <span word="has">has</span> <span word="two">two</span> <span word="cameras">cameras</span> <span word="that">that</span> <span word="identify">identify</span> <span word="objects">objects</span> <span word="in">in</span> <span word="its">its</span> <span word="path">path</span>.<span word="They">They</span> <span word="help">help</span> <span word="the">the</span> <span word="computer">computer</span> <span word="react">react</span> <span word="to">to</span> <span word="commands">commands</span> <span word="from">from</span> <span word="the">the</span> <span word="brain">brain</span>.</p><p> <span word="Prof">Prof</span>.<span word="Millan">Millan</span>，<span word="the">the</span> <span word="team">team</span> <span word="leader">leader</span>，<span word="says">says</span> <span word="scientists">scientists</span> <span word="keep">keep</span> <span word="improving">improving</span> <span word="the">the</span> <span word="computer">computer</span> <span word="software">software</span> <span word="that">that</span> <span word="interprets">interprets</span> <span word="brain">brain</span> <span word="signals">signals</span> <span word="and">and</span> <span word="turns">turns</span> <span word="them">them</span> <span word="into">into</span> <span word="simple">simple</span> <span word="commands">commands</span>.“<span word="The">The</span> <span word="practical">practical</span> <span word="possibilities">possibilities</span> <span word="that">that</span> <span word="BCI">BCI</span> <span word="technology">technology</span> <span word="offers">offers</span> <span word="to">to</span> <span word="disabled">disabled</span> <span word="people">people</span> <span word="can">can</span> <span word="be">be</span> <span word="grouped">grouped</span> <span word="in">in</span> <span word="two">two</span> <span word="categories">categories</span>：<span word="communication">communication</span>，<span word="and">and</span> <span word="controlling">controlling</span> <span word="devices">devices</span>.<span word="One">One</span> <span word="example">example</span> <span word="is">is</span> <span word="this">this</span> <span word="wheelchair">wheelchair</span>.”</p>
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