新GRE逻辑阅读 每日一练30
<p> 编辑点评： <span word="GRE">GRE</span>阅读考试的材料，非常强调逻辑的关系，所以逻辑要点是大家在解<span word="GRE">GRE</span>阅读题的时候的关键，本文就为大家例举了这样一篇逻辑短文，供大家参考和练习。</p><p> 随着<span word="GRE">GRE</span>阅读考试的难度日益增加，大家需要有针对性地进行练习，本文为大家例举的就是逻辑短文的练习，文末还附有答案，供大家更好地练习。</p><p> <span word="Scientists">Scientists</span> <span word="have">have</span> <span word="sought">sought</span> <span word="evidence">evidence</span> <span word="of">of</span> <span word="long">long</span>-<span word="term">term</span> <span word="solar">solar</span> <span word="periodicities">periodicities</span> <span word="by">by</span> <span word="examining">examining</span> <span word="indirect">indirect</span> <span word="climatological">climatological</span> <span word="data">data</span>, <span word="such">such</span> <span word="as">as</span> <span word="fossil">fossil</span> <span word="records">records</span> <span word="of">of</span> <span word="the">the</span> <span word="thickness">thickness</span> <span word="of">of</span> <span word="ancient">ancient</span> <span word="tree">tree</span> <span word="rings">rings</span>. <span word="These">These</span> <span word="studies">studies</span>, <span word="however">however</span>,<span word="failed">failed</span> <span word="to">to</span> <span word="link">link</span> <span word="unequivocally">unequivocally</span> <span word="terrestrial">terrestrial</span> <span word="climate">climate</span> <span word="and">and</span> <span word="the">the</span> <span word="solar">solar</span> <span word="activity">activity</span> <span word="cycle">cycle</span>, <span word="or">or</span> <span word="even">even</span> <span word="to">to</span> <span word="confirm">confirm</span> <span word="the">the</span> <span word="cycle">cycle</span> <span word="s">s</span> <span word="past">past</span> <span word="existence">existence</span>.</p><p> 13. <span word="It">It</span> <span word="can">can</span> <span word="be">be</span> <span word="inferred">inferred</span> <span word="from">from</span> <span word="the">the</span> <span word="passage">passage</span> <span word="that">that</span> <span word="studies">studies</span> <span word="attempting">attempting</span> <span word="to">to</span> <span word="use">use</span> <span word="tree">tree</span>-<span word="ring">ring</span> <span word="thickness">thickness</span> <span word="to">to</span> <span word="locate">locate</span> <span word="possible">possible</span> <span word="links">links</span> <span word="between">between</span> <span word="solar">solar</span> <span word="periodicity">periodicity</span> <span word="and">and</span> <span word="terrestrial">terrestrial</span> <span word="climate">climate</span> <span word="are">are</span> <span word="based">based</span> <span word="on">on</span> <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="assumptions">assumptions</span>?</p><p> <span word="The">The</span> <span word="solar">solar</span>-<span word="activity">activity</span> <span word="cycle">cycle</span> <span word="existed">existed</span> <span word="in">in</span> <span word="its">its</span> <span word="present">present</span> <span word="form">form</span> <span word="during">during</span> <span word="the">the</span> <span word="time">time</span> <span word="period">period</span> <span word="in">in</span> <span word="which">which</span> <span word="the">the</span> <span word="tree">tree</span> <span word="rings">rings</span> <span word="grew">grew</span>.</p><p> <span word="The">The</span> <span word="biological">biological</span> <span word="mechanisms">mechanisms</span> <span word="causing">causing</span> <span word="tree">tree</span> <span word="growth">growth</span> <span word="are">are</span> <span word="unaffected">unaffected</span> <span word="by">by</span> <span word="short">short</span>-<span word="term">term</span> <span word="weather">weather</span> <span word="pat">pat</span> <span word="terns">terns</span>.</p><p> <span word="Average">Average</span> <span word="tree">tree</span>-<span word="ring">ring</span> <span word="thickness">thickness</span> <span word="varies">varies</span> <span word="from">from</span> <span word="species">species</span> <span word="to">to</span> <span word="species">species</span>.</p><p> <span word="Tree">Tree</span>-<span word="ring">ring</span> <span word="thicknesses">thicknesses</span> <span word="reflect">reflect</span> <span word="changes">changes</span> <span word="in">in</span> <span word="terrestrial">terrestrial</span> <span word="climate">climate</span>.</p><p> <span word="Both">Both</span> <span word="terrestrial">terrestrial</span> <span word="climate">climate</span> <span word="and">and</span> <span word="the">the</span> <span word="solar">solar</span>-<span word="activity">activity</span> <span word="cycle">cycle</span> <span word="randomly">randomly</span> <span word="affect">affect</span> <span word="tree">tree</span>-<span word="ring">ring</span> <span word="thickness">thickness</span>.</p>
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