新GRE逻辑阅读 每日一练21
<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="Mycorrhizal">Mycorrhizal</span> <span word="fungi">fungi</span> <span word="infect">infect</span> <span word="more">more</span> <span word="plants">plants</span> <span word="than">than</span> <span word="do">do</span> <span word="any">any</span> <span word="other">other</span> <span word="fungi">fungi</span> <span word="and">and</span> <span word="are">are</span> <span word="necessary">necessary</span> <span word="for">for</span> <span word="many">many</span> <span word="plants">plants</span> <span word="to">to</span> <span word="thrive">thrive</span>, <span word="but">but</span> <span word="they">they</span> <span word="have">have</span> <span word="escaped">escaped</span> <span word="widespread">widespread</span> <span word="investigation">investigation</span> <span word="until">until</span> <span word="Line">Line</span> <span word="recently">recently</span> <span word="for">for</span> <span word="two">two</span> <span word="reasons">reasons</span>. <span word="First">First</span>, <span word="the">the</span> <span word="symbiotic">symbiotic</span> <span word="association">association</span> 5 <span word="is">is</span> <span word="so">so</span> <span word="well">well</span>-<span word="balanced">balanced</span> <span word="that">that</span> <span word="the">the</span> <span word="roots">roots</span> <span word="of">of</span> <span word="host">host</span> <span word="plants">plants</span> <span word="show">show</span> <span word="no">no</span> <span word="damage">damage</span> <span word="even">even</span> <span word="when">when</span> <span word="densely">densely</span> <span word="infected">infected</span>. <span word="Second">Second</span>, <span word="the">the</span> <span word="fungi">fungi</span> <span word="cannot">cannot</span> <span word="as">as</span> <span word="yet">yet</span> <span word="be">be</span> <span word="cultivated">cultivated</span> <span word="in">in</span> <span word="the">the</span> <span word="absence">absence</span> <span word="of">of</span> <span word="a">a</span> <span word="living">living</span> <span word="root">root</span>. <span word="Despite">Despite</span> <span word="these">these</span> <span word="difficulties">difficulties</span>, <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="important">important</span> <span word="new">new</span> <span word="work">work</span> <span word="that">that</span> <span word="suggests">suggests</span> <span word="that">that</span> <span word="this">this</span> <span word="symbiotic">symbiotic</span> <span word="association">association</span> 10 <span word="can">can</span> <span word="be">be</span> <span word="harnessed">harnessed</span> <span word="to">to</span> <span word="achieve">achieve</span> <span word="more">more</span> <span word="economical">economical</span> <span word="use">use</span> <span word="of">of</span> <span word="costly">costly</span> <span word="superphosphate">superphosphate</span> <span word="fertilizer">fertilizer</span> <span word="and">and</span> <span word="to">to</span> <span word="permit">permit</span> <span word="better">better</span> <span word="exploitation">exploitation</span> <span word="of">of</span> <span word="cheaper">cheaper</span>, <span word="less">less</span> <span word="soluble">soluble</span> <span word="rock">rock</span> <span word="phosphate">phosphate</span>.</p><p> <span word="Mycorrhizal">Mycorrhizal</span> <span word="benefits">benefits</span> <span word="are">are</span> <span word="not">not</span> <span word="limited">limited</span> <span word="to">to</span> <span word="improved">improved</span> <span word="phosphate">phosphate</span> <span word="uptake">uptake</span> <span word="in">in</span> <span word="host">host</span> <span word="plants">plants</span>. <span word="In">In</span> <span word="legumes">legumes</span>, 15 <span word="Mycorrhizal">Mycorrhizal</span> <span word="inoculation">inoculation</span> <span word="has">has</span> <span word="increased">increased</span> <span word="nitrogen">nitrogen</span> <span word="fixation">fixation</span> <span word="beyond">beyond</span> <span word="levels">levels</span> <span word="achieved">achieved</span> <span word="by">by</span> <span word="adding">adding</span> <span word="phosphate">phosphate</span> <span word="fertilizer">fertilizer</span> <span word="alone">alone</span>. <span word="Certain">Certain</span> <span word="symbiotic">symbiotic</span> <span word="associations">associations</span> <span word="also">also</span> <span word="increase">increase</span> <span word="the">the</span> <span word="host">host</span> <span word="plant">plant</span> <span word="s">s</span> <span word="resistance">resistance</span> <span word="to">to</span> <span word="harmful">harmful</span> <span word="root">root</span> <span word="fungi">fungi</span>.</p><p> 8. <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="most">most</span> <span word="accurately">accurately</span> <span word="describes">describes</span> <span word="the">the</span> <span word="passage">passage</span>?</p>
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