大学英语六级阅读备考的技巧及词汇(六)
<p> 大学英语六级阅读备考技巧及词汇</p><p> 11. <span word="A">A</span> <span word="new">new</span> <span word="study">study</span> <span word="on">on</span> <span word="birds">birds</span> <span word="sleep">sleep</span> <span word="has">has</span> <span word="revealed">revealed</span> <span word="that">that</span> ____________.</p><p> <span word="A">A</span>) <span word="half">half</span>-<span word="brain">brain</span> <span word="sleep">sleep</span> <span word="is">is</span> <span word="found">found</span> <span word="in">in</span> <span word="a">a</span> <span word="wide">wide</span> <span word="variety">variety</span> <span word="of">of</span> <span word="birds">birds</span></p><p> <span word="B">B</span>) <span word="half">half</span>-<span word="brain">brain</span> <span word="sleep">sleep</span> <span word="is">is</span> <span word="characterized">characterized</span> <span word="by">by</span> <span word="slow">slow</span> <span word="brain">brain</span> <span word="waves">waves</span></p><p> <span word="C">C</span>) <span word="birds">birds</span> <span word="can">can</span> <span word="control">control</span> <span word="their">their</span> <span word="half">half</span>-<span word="brain">brain</span> <span word="sleep">sleep</span> <span word="consciously">consciously</span></p><p> <span word="D">D</span>) <span word="birds">birds</span> <span word="seldom">seldom</span> <span word="sleep">sleep</span> <span word="with">with</span> <span word="the">the</span> <span word="whole">whole</span> <span word="of">of</span> <span word="their">their</span> <span word="brain">brain</span> <span word="at">at</span> <span word="rest">rest</span></p><p> 12. <span word="According">According</span> <span word="to">to</span> <span word="the">the</span> <span word="passage">passage</span>, <span word="birds">birds</span> <span word="often">often</span> <span word="half">half</span> <span word="sleep">sleep</span> <span word="because">because</span> ______________.</p><p> <span word="A">A</span>) <span word="they">they</span> <span word="have">have</span> <span word="to">to</span> <span word="watch">watch</span> <span word="out">out</span> <span word="for">for</span> <span word="possible">possible</span> <span word="attacks">attacks</span></p><p> <span word="B">B</span>) <span word="their">their</span> <span word="brain">brain</span> <span word="hemisphere">hemisphere</span> <span word="take">take</span> <span word="turns">turns</span> <span word="to">to</span> <span word="rest">rest</span> 跨段</p><p> <span word="C">C</span>) <span word="the">the</span> <span word="two">two</span> <span word="halves">halves</span> <span word="of">of</span> <span word="their">their</span> <span word="brain">brain</span> <span word="are">are</span> <span word="differently">differently</span> <span word="structured">structured</span> 没</p><p> <span word="D">D</span>) <span word="they">they</span> <span word="have">have</span> <span word="to">to</span> <span word="constantly">constantly</span> <span word="keep">keep</span> <span word="an">an</span> <span word="eye">eye</span> <span word="on">on</span> <span word="their">their</span> <span word="companions">companions</span> 反</p><p> 13. <span word="The">The</span> <span word="example">example</span> <span word="of">of</span> <span word="a">a</span> <span word="bird">bird</span> <span word="sleeping">sleeping</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="a">a</span> <span word="mirror">mirror</span> <span word="indicates">indicates</span> <span word="that">that</span> _____________.</p><p> <span word="A">A</span>) <span word="the">the</span> <span word="phenomenon">phenomenon</span> <span word="of">of</span> <span word="birds">birds</span> <span word="dozing">dozing</span> <span word="in">in</span> <span word="pairs">pairs</span> <span word="is">is</span> <span word="widespread">widespread</span></p><p> <span word="B">B</span>) <span word="birds">birds</span> <span word="prefer">prefer</span> <span word="to">to</span> <span word="sleep">sleep</span> <span word="in">in</span> <span word="pairs">pairs</span> <span word="for">for</span> <span word="the">the</span> <span word="sake">sake</span> <span word="of">of</span> <span word="security">security</span></p><p> <span word="C">C</span>) <span word="even">even</span> <span word="an">an</span> <span word="imagined">imagined</span> <span word="companion">companion</span> <span word="gives">gives</span> <span word="the">the</span> <span word="bird">bird</span> <span word="a">a</span> <span word="sense">sense</span> <span word="of">of</span> <span word="security">security</span></p><p> <span word="D">D</span>) <span word="a">a</span> <span word="single">single</span> <span word="pet">pet</span> <span word="bird">bird</span> <span word="enjoys">enjoys</span> <span word="seeing">seeing</span> <span word="its">its</span> <span word="own">own</span> <span word="reflection">reflection</span> <span word="in">in</span> <span word="the">the</span> <span word="mirror">mirror</span></p><p> 14. <span word="While">While</span> <span word="sleeping">sleeping</span>, <span word="some">some</span> <span word="water">water</span> <span word="mammals">mammals</span> <span word="tend">tend</span> <span word="to">to</span> <span word="keep">keep</span> <span word="half">half</span> <span word="awake">awake</span> <span word="in">in</span> <span word="order">order</span> <span word="to">to</span> __________.</p><p> <span word="A">A</span>) <span word="alert">alert</span> <span word="themselves">themselves</span> <span word="to">to</span> <span word="the">the</span> <span word="approaching">approaching</span> <span word="enemy">enemy</span></p><p> <span word="B">B</span>) <span word="emerge">emerge</span> <span word="from">from</span> <span word="water">water</span> <span word="now">now</span> <span word="and">and</span> <span word="then">then</span> <span word="to">to</span> <span word="breathe">breathe</span></p>
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