英语六级考试冲刺的练习阅读篇91
<p> <span word="Homing">Homing</span> <span word="pigeons">pigeons</span> <span word="are">are</span> <span word="placed">placed</span> <span word="in">in</span> <span word="a">a</span> <span word="training">training</span> <span word="program">program</span> <span word="from">from</span> <span word="about">about</span> <span word="the">the</span> <span word="time">time</span> <span word="they">they</span> <span word="are">are</span> <span word="twenty">twenty</span>-<span word="eight">eight</span> <span word="days">days</span> <span word="of">of</span> <span word="age">age</span>. <span word="They">They</span> <span word="are">are</span> <span word="taught">taught</span> <span word="to">to</span> <span word="enter">enter</span> <span word="the">the</span> <span word="cage">cage</span> <span word="through">through</span> <span word="a">a</span> <span word="trap">trap</span> <span word="and">and</span> <span word="to">to</span> <span word="exercise">exercise</span> <span word="above">above</span> <span word="and">and</span> <span word="around">around</span> <span word="the">the</span> <span word="loft">loft</span> , <span word="and">and</span> <span word="gradually">gradually</span> <span word="they">they</span> <span word="are">are</span> <span word="taken">taken</span> <span word="away">away</span> <span word="for">for</span> <span word="short">short</span> <span word="distances">distances</span> <span word="in">in</span> <span word="willow">willow</span> <span word="baskets">baskets</span> <span word="and">and</span> <span word="released">released</span>. <span word="They">They</span> <span word="are">are</span> <span word="then">then</span> <span word="expected">expected</span> <span word="to">to</span> <span word="find">find</span> <span word="their">their</span> <span word="way">way</span> <span word="home">home</span> <span word="in">in</span> <span word="the">the</span> <span word="shortest">shortest</span> <span word="possible">possible</span> <span word="time">time</span>.</p><p> <span word="In">In</span> <span word="their">their</span> <span word="training">training</span> <span word="flights">flights</span> <span word="or">or</span> <span word="in">in</span> <span word="actual">actual</span> <span word="races">races</span>, <span word="the">the</span> <span word="birds">birds</span> <span word="are">are</span> <span word="taken">taken</span> <span word="to">to</span> <span word="prearranged">prearranged</span> <span word="distant">distant</span> <span word="points">points</span> <span word="and">and</span> <span word="released">released</span> <span word="to">to</span> <span word="find">find</span> <span word="their">their</span> <span word="way">way</span> <span word="back">back</span> <span word="to">to</span> <span word="their">their</span> <span word="own">own</span> <span word="lofts">lofts</span>. <span word="Once">Once</span> <span word="the">the</span> <span word="birds">birds</span> <span word="are">are</span> <span word="liberated">liberated</span>, <span word="their">their</span> <span word="owners">owners</span>, <span word="who">who</span> <span word="are">are</span> <span word="standing">standing</span> <span word="by">by</span> <span word="at">at</span> <span word="the">the</span> <span word="home">home</span> <span word="lofts">lofts</span>, <span word="anxiously">anxiously</span> <span word="watch">watch</span> <span word="the">the</span> <span word="sky">sky</span> <span word="for">for</span> <span word="the">the</span> <span word="return">return</span> <span word="of">of</span> <span word="their">their</span> <span word="entries">entries</span>. <span word="Since">Since</span> <span word="time">time</span> <span word="is">is</span> <span word="of">of</span> <span word="the">the</span> <span word="essence">essence</span>, <span word="the">the</span> <span word="speed">speed</span> <span word="with">with</span> <span word="which">which</span> <span word="the">the</span> <span word="birds">birds</span> <span word="can">can</span> <span word="be">be</span> <span word="induced">induced</span> <span word="to">to</span> <span word="enter">enter</span> <span word="the">the</span> <span word="loft">loft</span> <span word="trap">trap</span> <span word="may">may</span> <span word="make">make</span> <span word="the">the</span> <span word="difference">difference</span> <span word="between">between</span> <span word="gaining">gaining</span> <span word="a">a</span> <span word="win">win</span> <span word="or">or</span> <span word="a">a</span> <span word="second">second</span> <span word="place">place</span>.</p><p> <span word="The">The</span> <span word="head">head</span> <span word="of">of</span> <span word="a">a</span> <span word="homing">homing</span> <span word="pigeon">pigeon</span> <span word="is">is</span> <span word="comparatively">comparatively</span> <span word="small">small</span>, <span word="but">but</span> <span word="its">its</span> <span word="brain">brain</span> <span word="is">is</span> <span word="one">one</span> <span word="quarter">quarter</span> <span word="larger">larger</span> <span word="than">than</span> <span word="that">that</span> <span word="of">of</span> <span word="the">the</span> <span word="ordinary">ordinary</span> <span word="pigeon">pigeon</span>. <span word="The">The</span> <span word="homing">homing</span> <span word="pigeon">pigeon</span> <span word="is">is</span> <span word="very">very</span> <span word="intelligent">intelligent</span> <span word="and">and</span> <span word="will">will</span> <span word="persevere">persevere</span> <span word="to">to</span> <span word="the">the</span> <span word="point">point</span> <span word="of">of</span> <span word="stubbornness">stubbornness</span>; <span word="some">some</span> <span word="have">have</span> <span word="been">been</span> <span word="known">known</span> <span word="to">to</span> <span word="fly">fly</span> <span word="a">a</span> <span word="hundred">hundred</span> <span word="miles">miles</span> <span word="off">off</span> <span word="course">course</span> <span word="to">to</span> <span word="avoid">avoid</span> <span word="a">a</span> <span word="storm">storm</span>.</p><p> <span word="Some">Some</span> <span word="homing">homing</span> <span word="pigeon">pigeon</span> <span word="experts">experts</span> <span word="claim">claim</span> <span word="that">that</span> <span word="this">this</span> <span word="bird">bird</span> <span word="is">is</span> <span word="gifted">gifted</span> <span word="with">with</span> <span word="a">a</span> <span word="form">form</span> <span word="of">of</span> <span word="built">built</span>-<span word="in">in</span> <span word="radar">radar</span> <span word="that">that</span> <span word="helps">helps</span> <span word="it">it</span> <span word="find">find</span> <span word="its">its</span> <span word="own">own</span> <span word="loft">loft</span> <span word="after">after</span> <span word="hours">hours</span> <span word="of">of</span> <span word="flight">flight</span>, <span word="for">for</span> <span word="hidden">hidden</span> <span word="under">under</span> <span word="the">the</span> <span word="head">head</span> <span word="feathers">feathers</span> <span word="are">are</span> <span word="two">two</span> <span word="very">very</span> <span word="sensitive">sensitive</span> <span word="ears">ears</span>, <span word="while">while</span> <span word="the">the</span> <span word="sharp">sharp</span>, <span word="prominent">prominent</span> <span word="eyes">eyes</span> <span word="can">can</span> <span word="see">see</span> <span word="great">great</span> <span word="distances">distances</span> <span word="in">in</span> <span word="daytime">daytime</span>.</p><p> <span word="Why">Why</span> <span word="do">do</span> <span word="homing">homing</span> <span word="pigeons">pigeons</span> <span word="fly">fly</span> <span word="home">home</span>? <span word="They">They</span> <span word="are">are</span> <span word="not">not</span> <span word="unique">unique</span> <span word="in">in</span> <span word="this">this</span> <span word="inherent">inherent</span> <span word="skill">skill</span>; <span word="it">it</span> <span word="is">is</span> <span word="found">found</span> <span word="in">in</span> <span word="most">most</span> <span word="migratory">migratory</span> <span word="birds">birds</span>, <span word="in">in</span> <span word="bees">bees</span>, <span word="ants">ants</span>, <span word="toads">toads</span>, <span word="and">and</span> <span word="even">even</span> <span word="turtles">turtles</span>, <span word="which">which</span> <span word="have">have</span> <span word="been">been</span> <span word="known">known</span> <span word="to">to</span> <span word="travel">travel</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="miles">miles</span> <span word="to">to</span> <span word="return">return</span> <span word="to">to</span> <span word="their">their</span> <span word="homes">homes</span>. <span word="But">But</span> <span word="in">in</span> <span word="the">the</span> <span word="animal">animal</span> <span word="world">world</span>, <span word="the">the</span> <span word="homing">homing</span> <span word="pigeon">pigeon</span> <span word="alone">alone</span> <span word="can">can</span> <span word="be">be</span> <span word="trusted">trusted</span> <span word="with">with</span> <span word="its">its</span> <span word="freedom">freedom</span> <span word="and">and</span> <span word="trained">trained</span> <span word="to">to</span> <span word="carry">carry</span> <span word="out">out</span> <span word="the">the</span> <span word="missions">missions</span> <span word="that">that</span> <span word="people">people</span> <span word="demand">demand</span>.</p>
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