新GRE阅读考试长难句实例解析22
<p> 编辑点评： 现在小编给大家分享几个有关新<span word="gre">gre</span>阅读考试长难句实例的分析，文章中每个实例都给标注了有几个句子类型。考生可以先不看标注，测试自己在实例中找出几个句子类型。</p><p> 1. <span word="Unless">Unless</span> <span word="they">they</span> <span word="succeed">succeed</span>,<span word="the">the</span> <span word="yield">yield</span> <span word="gains">gains</span> <span word="of">of</span> <span word="the">the</span> <span word="Green">Green</span> <span word="Revolution">Revolution</span> <span word="will">will</span> <span word="be">be</span> <span word="largely">largely</span> <span word="lost">lost</span> <span word="even">even</span> <span word="if">if</span> <span word="the">the</span> <span word="genes">genes</span> <span word="in">in</span> <span word="legumes">legumes</span> <span word="that">that</span> <span word="equip">equip</span> <span word="those">those</span> <span word="plants">plants</span> <span word="to">to</span> <span word="enter">enter</span> <span word="into">into</span> <span word="a">a</span> <span word="symbiosis">symbiosis</span> <span word="with">with</span> <span word="nitrogen">nitrogen</span> <span word="fixers">fixers</span> <span word="are">are</span> <span word="identified">identified</span> <span word="and">and</span> <span word="isolated">isolated</span>,<span word="and">and</span> <span word="even">even</span> <span word="if">if</span> <span word="the">the</span> <span word="transfer">transfer</span> <span word="of">of</span> <span word="those">those</span> <span word="gene">gene</span> <span word="complexes">complexes</span>, <span word="once">once</span> <span word="they">they</span> <span word="are">are</span> <span word="found">found</span>, <span word="becomes">becomes</span> <span word="possible">possible</span>.</p><p> 除非他们能取得成功，不然的话，绿色革命的产量收益将在很大程度上损失殆尽，即使豆科植物中使这些植物有条件进入到与固氮细菌共生关系的基因可被辨识出来和分离开来的话，且即使这些基因综合体，一旦被发现之后，其移植得以成为可能的话。</p><p> 难句类型：复杂修饰、插入语</p><p> 解释：主句比较简单，而后面跟着的由<span word="and">and</span>连接的两个表示让步的条件状语从句就相对复杂，第一个从句是用一个修饰主语的定语从句<span word="that">that</span> <span word="equip">equip</span> <span word="those">those</span> <span word="plants">plants</span> <span word="to">to</span> <span word="enter">enter</span> <span word="into">into</span> <span word="a">a</span> <span word="symbiosis">symbiosis</span> <span word="with">with</span> <span word="nitrogen">nitrogen</span> <span word="fixers">fixers</span>把主谓隔开;第二个从句则运用了插入语<span word="once">once</span> <span word="they">they</span> <span word="are">are</span> <span word="found">found</span>把主谓隔开。</p><p> 意群训练：<span word="Unless">Unless</span> <span word="they">they</span> <span word="succeed">succeed</span>，<span word="the">the</span> <span word="yield">yield</span> <span word="gains">gains</span> <span word="of">of</span> <span word="the">the</span> <span word="Green">Green</span> <span word="Revolution">Revolution</span> <span word="will">will</span> <span word="be">be</span> <span word="largely">largely</span> <span word="lost">lost</span> <span word="even">even</span> <span word="if">if</span> <span word="the">the</span> <span word="genes">genes</span> <span word="in">in</span> <span word="legumes">legumes</span> <span word="that">that</span> <span word="equip">equip</span> <span word="those">those</span> <span word="plants">plants</span> <span word="to">to</span> <span word="enter">enter</span> <span word="into">into</span> <span word="a">a</span> <span word="symbiosis">symbiosis</span> <span word="with">with</span> <span word="nitrogen">nitrogen</span> <span word="fixers">fixers</span> <span word="are">are</span> <span word="identified">identified</span> <span word="and">and</span> <span word="isolated">isolated</span>，<span word="and">and</span> <span word="even">even</span> <span word="if">if</span> <span word="the">the</span> <span word="transfer">transfer</span> <span word="of">of</span> <span word="those">those</span> <span word="gene">gene</span> <span word="complexes">complexes</span>，<span word="once">once</span> <span word="they">they</span> <span word="are">are</span> <span word="found">found</span>， <span word="becomes">becomes</span> <span word="possible">possible</span>.</p>
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