2013六级阅读资料：全球变暖致今年春季过早来临
<p> 导语：新的学期已经开始了，相信许多考生已经开始为备考六级而做准备了。为大家搜集和整理最新的阅读理解考试资料，希望对大家有所帮助。</p><p> <span word="Spring">Spring</span> <span word="arrived">arrived</span> <span word="incredibly">incredibly</span> <span word="early">early</span> <span word="this">this</span> <span word="year">year</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="botanist">botanist</span> <span word="who">who</span> <span word="monitors">monitors</span> <span word="the">the</span> <span word="blooming">blooming</span> <span word="patterns">patterns</span> <span word="of">of</span> <span word="flowers">flowers</span>。</p><p> 古人云春江水暖鸭先知，但今年的春季似乎来得特别早，植物学家在观测研究了鲜花盛开的情况后得出了这一结论。</p><p> <span word="Cristol">Cristol</span> <span word="Fleming">Fleming</span> <span word="says">says</span> <span word="she">she</span> <span word="believes">believes</span> <span word="the">the</span> <span word="appearance">appearance</span> <span word="of">of</span> <span word="flowers">flowers</span> <span word="up">up</span> <span word="to">to</span> <span word="two">two</span> <span word="months">months</span> <span word="early">early</span> <span word="is">is</span> <span word="down">down</span> <span word="to">to</span> <span word="the">the</span> <span word="changes">changes</span> <span word="created">created</span> <span word="by">by</span> <span word="global">global</span> <span word="warming">warming</span>。</p><p> 植物学家<span word="Cristol">Cristol</span> <span word="Fleming">Fleming</span>认为，由于温室效应全球变暖，导致了一些植物开花的时间提早了将近两个月之多。</p><p> <span word="Experts">Experts</span> <span word="have">have</span> <span word="started">started</span> <span word="calling">calling</span> <span word="the">the</span> <span word="shift">shift</span> <span word="in">in</span> <span word="the">the</span> <span word="times">times</span> <span word="that">that</span> <span word="plants">plants</span> <span word="bloom">bloom</span> <span word="season">season</span> <span word="creep">creep</span> <span word="and">and</span> <span word="using">using</span> <span word="decades">decades</span> <span word="of">of</span> <span word="research">research</span> <span word="have">have</span> <span word="charted">charted</span> <span word="how">how</span> <span word="much">much</span> <span word="earlier">earlier</span> <span word="it">it</span> <span word="is">is</span> <span word="happening">happening</span>。</p><p> 专家学者们开始讲类似的植物提前现象称为季节前移，他们在分析了近几十年来的研究所得出的结果表明了这种情况的确正在发生。</p><p> <span word="The">The</span> <span word="leaves">leaves</span> <span word="of">of</span> <span word="the">the</span> <span word="English">English</span> <span word="oak">oak</span> <span word="are">are</span> <span word="appearing">appearing</span> <span word="sooner">sooner</span>, <span word="meaning">meaning</span> <span word="that">that</span> <span word="winter">winter</span> <span word="moths">moths</span> <span word="are">are</span> <span word="coming">coming</span> <span word="out">out</span> <span word="earlier">earlier</span> <span word="and">and</span>, <span word="because">because</span> <span word="the">the</span> <span word="birds">birds</span> <span word="that">that</span> <span word="eat">eat</span> <span word="them">them</span> <span word="are">are</span> <span word="still">still</span> <span word="flying">flying</span> <span word="north">north</span>, <span word="they">they</span> <span word="have">have</span> <span word="already">already</span> <span word="turned">turned</span> <span word="from">from</span> <span word="caterpillars">caterpillars</span> <span word="and">and</span> <span word="into">into</span> <span word="moths">moths</span>。</p><p> 橡树枝叶发芽的时间越来越早，这意味了冬蛾出现的时间也更早，因为专吃冬蛾还在向北迁徙中，这使得该类物种顺利地由毛毛虫变成蛾。</p>
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