新版gre写作新题库：argument84
<p> <span word="gre">gre</span>改革后新版<span word="gre">gre</span>写作新题库里的作文方面的一个重要变化是有了指导语。而指导语的作用是有助于我们的逻辑性写作，以下是新版<span word="gre">gre</span>写作新题库内有关<span word="argument">argument</span>84的写作部分：</p><p> 题目：</p><p> <span word="The">The</span> <span word="following">following</span> <span word="is">is</span> <span word="a">a</span> <span word="letter">letter</span> <span word="to">to</span> <span word="the">the</span> <span word="editor">editor</span> <span word="of">of</span> <span word="an">an</span> <span word="environmental">environmental</span> <span word="magazine">magazine</span>.</p><p> <span word="Two">Two</span> <span word="studies">studies</span> <span word="of">of</span> <span word="amphibians">amphibians</span> <span word="in">in</span> <span word="Xanadu">Xanadu</span> <span word="National">National</span> <span word="Park">Park</span> <span word="confirm">confirm</span> <span word="a">a</span> <span word="significant">significant</span> <span word="decline">decline</span> <span word="in">in</span> <span word="the">the</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="amphibians">amphibians</span>. <span word="In">In</span> 1975 <span word="there">there</span> <span word="were">were</span> <span word="seven">seven</span> <span word="species">species</span> <span word="of">of</span> <span word="amphibians">amphibians</span> <span word="in">in</span> <span word="the">the</span> <span word="park">park</span>, <span word="and">and</span> <span word="there">there</span> <span word="were">were</span> <span word="abundant">abundant</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="each">each</span> <span word="species">species</span>. <span word="However">However</span>, <span word="in">in</span> 2002 <span word="only">only</span> <span word="four">four</span> <span word="species">species</span> <span word="of">of</span> <span word="amphibians">amphibians</span> <span word="were">were</span> <span word="observed">observed</span> <span word="in">in</span> <span word="the">the</span> <span word="park">park</span>, <span word="and">and</span> <span word="the">the</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="each">each</span> <span word="species">species</span> <span word="were">were</span> <span word="drastically">drastically</span> <span word="reduced">reduced</span>. <span word="One">One</span> <span word="proposed">proposed</span> <span word="explanation">explanation</span> <span word="is">is</span> <span word="that">that</span> <span word="the">the</span> <span word="decline">decline</span> <span word="was">was</span> <span word="caused">caused</span> <span word="by">by</span> <span word="the">the</span> <span word="introduction">introduction</span> <span word="of">of</span> <span word="trout">trout</span> <span word="into">into</span> <span word="the">the</span> <span word="parks">parks</span> <span word="waters">waters</span>, <span word="which">which</span> <span word="began">began</span> <span word="in">in</span> 1975. </p><p> <span word="Write">Write</span> <span word="a">a</span> <span word="response">response</span> <span word="in">in</span> <span word="which">which</span> <span word="you">you</span> <span word="discuss">discuss</span> <span word="one">one</span> <span word="or">or</span> <span word="more">more</span> <span word="alternative">alternative</span> <span word="explanations">explanations</span> <span word="that">that</span> <span word="could">could</span> <span word="rival">rival</span> <span word="the">the</span> <span word="proposed">proposed</span> <span word="explanation">explanation</span> <span word="and">and</span> <span word="explain">explain</span> <span word="how">how</span> <span word="your">your</span> <span word="explanation">explanation</span> <span word="can">can</span> <span word="plausibly">plausibly</span> <span word="account">account</span> <span word="for">for</span> <span word="the">the</span> <span word="facts">facts</span> <span word="presented">presented</span> <span word="in">in</span> <span word="the">the</span> <span word="argument">argument</span>.</p><p> 中文翻译：</p><p> 在<span word="X">X</span>国家公园对于两栖动物所进行的两次研究证实了全球两栖动物数量的下降。1975年公园中有7中两栖动物，每种的数量都很丰富。 然而到了202年在公园中只观察到4种两栖动物，并且每种动物的数量都显著下降。一种解释就是两栖动物数量的下降曾被归因于始于1975年的在公园水域引入鲑鱼的行为。</p>
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