2015年职称英语理工类A级阅读理解练习题(四)
<p> <span word="Monarch">Monarch</span> <span word="without">without</span> <span word="a">a</span> <span word="Kingdom">Kingdom</span></p><p> <span word="This">This</span> <span word="November">November</span>, <span word="a">a</span> <span word="hundred">hundred</span> <span word="million">million</span> <span word="butterflies">butterflies</span> <span word="will">will</span> <span word="drop">drop</span> <span word="from">from</span> <span word="the">the</span> <span word="sky">sky</span> <span word="over">over</span> <span word="Mexico">Mexico</span>, <span word="like">like</span> <span word="autumn">autumn</span> <span word="leaves">leaves</span>. <span word="But">But</span> <span word="for">for</span> <span word="how">how</span> <span word="long">long</span>? <span word="Genetically">Genetically</span> <span word="modified">modified</span> <span word="maize">maize</span> <span word="could">could</span> <span word="mean">mean</span> <span word="extinction">extinction</span> <span word="for">for</span> <span word="this">this</span> <span word="beautiful">beautiful</span> <span word="butterfly">butterfly</span>, <span word="Rafael">Rafael</span> <span word="Ruiz">Ruiz</span> <span word="reports">reports</span>.</p><p> <span word="In">In</span> <span word="November">November</span>, <span word="millions">millions</span> <span word="of">of</span> <span word="Monarchs">Monarchs</span> <span word="fall">fall</span> <span word="like">like</span> <span word="bright">bright</span>, <span word="golden">golden</span> <span word="rain">rain</span> <span word="onto">onto</span> <span word="the">the</span> <span word="forests">forests</span> <span word="in">in</span> <span word="the">the</span> <span word="mountains">mountains</span> <span word="of">of</span> <span word="central">central</span> <span word="Mexico">Mexico</span>. <span word="In">In</span> <span word="the">the</span> <span word="silence">silence</span> <span word="of">of</span> <span word="these">these</span> <span word="mountains">mountains</span> <span word="you">you</span> <span word="can">can</span> <span word="hear">hear</span> <span word="a">a</span> <span word="strange">strange</span> <span word="flapping">flapping</span> <span word="of">of</span> <span word="wings">wings</span>, <span word="as">as</span> <span word="the">the</span> <span word="Monarchs">Monarchs</span> <span word="arrive">arrive</span> <span word="at">at</span> <span word="their">their</span> <span word="destination">destination</span>. <span word="In">In</span> <span word="the">the</span> <span word="mountains">mountains</span>, <span word="which">which</span> <span word="reach">reach</span> <span word="a">a</span> <span word="height">height</span> <span word="of">of</span> 3,000 <span word="metres">metres</span>, <span word="the">the</span> <span word="butterflies">butterflies</span> <span word="are">are</span> <span word="safe">safe</span>.</p><p> <span word="These">These</span> <span word="delicate">delicate</span> <span word="creatures">creatures</span> <span word="now">now</span> <span word="face">face</span> <span word="danger">danger</span> <span word="of">of</span> <span word="another">another</span> <span word="kind">kind</span> - <span word="from">from</span> <span word="scientific">scientific</span> <span word="progress">progress</span>. <span word="In">In</span> <span word="the">the</span> <span word="US">US</span>, <span word="millions">millions</span> <span word="of">of</span> <span word="farms">farms</span> <span word="grow">grow</span> <span word="genetically">genetically</span> <span word="modified">modified</span> <span word="maize">maize</span> <span word="which">which</span> <span word="is">is</span> <span word="pure">pure</span> <span word="poison">poison</span> <span word="for">for</span> <span word="the">the</span> <span word="butterfly">butterfly</span>. <span word="Laboratory">Laboratory</span> <span word="experiments">experiments</span> <span word="have">have</span> <span word="shown">shown</span> <span word="that">that</span> <span word="half">half</span> <span word="of">of</span> <span word="the">the</span> <span word="butterflies">butterflies</span> <span word="which">which</span> <span word="feed">feed</span> <span word="on">on</span> <span word="the">the</span> <span word="leaves">leaves</span> <span word="of">of</span> <span word="genetically">genetically</span> <span word="modified">modified</span> <span word="maize">maize</span> <span word="die">die</span> <span word="within">within</span> 48 <span word="hours">hours</span>. <span word="Not">Not</span> <span word="all">all</span> <span word="experts">experts</span> <span word="agree">agree</span> <span word="that">that</span> <span word="this">this</span> <span word="variety">variety</span> <span word="of">of</span> <span word="maize">maize</span> <span word="is">is</span> <span word="responsible">responsible</span> <span word="for">for</span> <span word="the">the</span> <span word="threat">threat</span> <span word="to">to</span> <span word="the">the</span> <span word="Monarchs">Monarchs</span>. <span word="In">In</span> <span word="spite">spite</span> <span word="of">of</span> <span word="these">these</span> <span word="doubts">doubts</span>, <span word="the">the</span> <span word="European">European</span> <span word="Union">Union</span> <span word="has">has</span> <span word="refused">refused</span> <span word="to">to</span> <span word="approve">approve</span> <span word="new">new</span> <span word="crops">crops</span> <span word="of">of</span> <span word="genetically">genetically</span> <span word="modified">modified</span> <span word="maize">maize</span> <span word="until">until</span> <span word="further">further</span> <span word="investigations">investigations</span> <span word="have">have</span> <span word="been">been</span> <span word="carried">carried</span> <span word="out">out</span>.</p><p> 16 <span word="The">The</span> <span word="Monarch">Monarch</span> <span word="butterfly">butterfly</span> <span word="travels">travels</span> 5,000 <span word="km">km</span> <span word="each">each</span> <span word="year">year</span>.</p><p> 17 <span word="The">The</span> <span word="Monarch">Monarch</span> <span word="butterfly">butterfly</span> <span word="looks">looks</span> <span word="fragile">fragile</span>.</p><p> 18 <span word="The">The</span> <span word="Mexicans">Mexicans</span> <span word="like">like</span> <span word="butterflies">butterflies</span> <span word="very">very</span> <span word="much">much</span>.</p><p> 19 <span word="in">in</span> <span word="bad">bad</span> <span word="winters">winters</span>, <span word="about">about</span> 70 <span word="per">per</span> <span word="cent">cent</span> <span word="of">of</span> <span word="the">the</span> <span word="butterflies">butterflies</span> <span word="can">can</span> <span word="stay">stay</span> <span word="alive">alive</span></p>
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