2015考研英语阅读气候变化
<p> <span word="Climate">Climate</span> <span word="change">change</span></p><p> 气候变化</p><p> <span word="Good">Good</span> <span word="news">news</span> <span word="at">at</span> <span word="last">last</span>?</p><p> 终于来了好消息?</p><p> <span word="The">The</span> <span word="climate">climate</span> <span word="may">may</span> <span word="not">not</span> <span word="be">be</span> <span word="as">as</span> <span word="sensitive">sensitive</span> <span word="to">to</span> <span word="carbondioxide">carbondioxide</span> <span word="as">as</span> <span word="previously">previously</span> <span word="believed">believed</span></p><p> 气候对二氧化碳的敏感性可能低于先前的预期</p><p> <span word="CLIMATE">CLIMATE</span> <span word="science">science</span> <span word="is">is</span> <span word="famously">famously</span> <span word="complicated">complicated</span>,</p><p> 气候科学的复杂程度众所周知，</p><p> <span word="but">but</span> <span word="one">one</span> <span word="useful">useful</span> <span word="number">number</span> <span word="to">to</span> <span word="keep">keep</span> <span word="in">in</span> <span word="mind">mind</span> <span word="is">is</span> <span word="climate">climate</span> <span word="sensitivity">sensitivity</span>.</p><p> 但把一个指标记在脑中非常好用，那就是气候敏感性。</p><p> <span word="This">This</span> <span word="measures">measures</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="warming">warming</span> <span word="that">that</span> <span word="can">can</span> <span word="eventually">eventually</span> <span word="be">be</span> <span word="expected">expected</span> <span word="to">to</span> <span word="follow">follow</span> <span word="a">a</span> <span word="doublingin">doublingin</span> <span word="the">the</span> <span word="atmospheric">atmospheric</span> <span word="concentration">concentration</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span>.</p><p> 该指标表示预计大气中二氧化碳浓度翻倍所能引致的升温量。</p><p> <span word="The">The</span> <span word="Intergovernmental">Intergovernmental</span> <span word="Panel">Panel</span> <span word="onClimate">onClimate</span> <span word="Change">Change</span>, <span word="in">in</span> <span word="its">its</span> <span word="most">most</span> <span word="recent">recent</span> <span word="summary">summary</span> <span word="of">of</span> <span word="the">the</span> <span word="science">science</span> <span word="behind">behind</span> <span word="its">its</span> <span word="predictions">predictions</span>, <span word="publishedin">publishedin</span> 2007, <span word="estimated">estimated</span> <span word="that">that</span>,</p><p> 政府间气候变化专门委员会在其最近一次关于其预测背后的科学性的概要中估计，</p><p> <span word="in">in</span> <span word="present">present</span> <span word="conditions">conditions</span>, <span word="a">a</span> <span word="doubling">doubling</span> <span word="of">of</span> <span word="CO">CO</span>2 <span word="would">would</span> <span word="cause">cause</span> <span word="warming">warming</span> <span word="of">of</span> <span word="about">about</span> 3<span word="C">C</span>, <span word="with">with</span> <span word="uncertaintyof">uncertaintyof</span> <span word="about">about</span> <span word="a">a</span> <span word="degree">degree</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="in">in</span> <span word="either">either</span> <span word="direction">direction</span>.</p><p> 在如今的情况下，二氧化碳浓度翻倍将造成3<span word="C">C</span>左右的升温，上下误差在1.5度左右。</p>
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