考研英语长难句详解(46)
<p> 46. <span word="It">It</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="nature">nature</span> <span word="s">s</span> <span word="great">great</span> <span word="ironies">ironies</span> <span word="that">that</span> <span word="the">the</span> <span word="availability">availability</span> <span word="of">of</span> <span word="nitrogen">nitrogen</span> <span word="in">in</span> <span word="the">the</span> <span word="soil">soil</span> <span word="frequently">frequently</span> <span word="sets">sets</span> <span word="an">an</span> <span word="upper">upper</span> <span word="limit">limit</span> <span word="on">on</span> <span word="plant">plant</span> <span word="growth">growth</span> <span word="even">even</span> <span word="though">though</span> <span word="the">the</span> <span word="plants">plants</span> <span word="leaves">leaves</span> <span word="are">are</span> <span word="bathed">bathed</span> <span word="in">in</span> <span word="a">a</span> <span word="sea">sea</span> <span word="of">of</span> <span word="nitrogen">nitrogen</span> <span word="gas">gas</span>.(3+)</p><p> 下述情形真可谓是自然界的一个莫大讽刺：土壤中所能获得的氮肥量往往对植物的生长构成了一个上限，虽然植物的叶子被沐浴在一片氮气的海洋中。</p><p> 难句类型：复杂修饰</p><p> 解释：<span word="It">It</span>是形式主语，其真正的内容是<span word="that">that</span>之后的由<span word="even">even</span> <span word="though">though</span>连接的两个句子。其实本句的真正难度倒不在于句子的结构，而是对于其意思的理解：尤其是文科同学，可能缺乏必要的背景知识，就更不容易读懂。句中的<span word="set">set</span> <span word="an">an</span> <span word="upper">upper</span> <span word="limit">limit</span> <span word="on">on</span> <span word="plant">plant</span> <span word="growth">growth</span>直译为 给植物的生成设立一个上限 ，其真正的意思是 限制了植物的生长 ;因此<span word="the">the</span> <span word="availability">availability</span> <span word="of">of</span> <span word="nitrogen">nitrogen</span> <span word="in">in</span> <span word="the">the</span> <span word="soil">soil</span> <span word="frequently">frequently</span> <span word="sets">sets</span> <span word="an">an</span> <span word="upper">upper</span> <span word="limit">limit</span> <span word="on">on</span> <span word="plant">plant</span> <span word="growth">growth</span>之中的<span word="availability">availability</span>一定指的是氮的供给之少。整句话的意思是，土壤中的氮植物能够利用，却太少;而空气中虽有大量的氮，植物却不能利用，这岂不是自然界开的一个大玩笑。</p><p> 意群训练：<span word="It">It</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="nature">nature</span> <span word="s">s</span> <span word="great">great</span> <span word="ironies">ironies</span> <span word="that">that</span> <span word="the">the</span> <span word="availability">availability</span> <span word="of">of</span> <span word="nitrogen">nitrogen</span> <span word="in">in</span> <span word="the">the</span> <span word="soil">soil</span> <span word="frequently">frequently</span> <span word="sets">sets</span> <span word="an">an</span> <span word="upper">upper</span> <span word="limit">limit</span> <span word="on">on</span> <span word="plant">plant</span> <span word="growth">growth</span> <span word="even">even</span> <span word="though">though</span> <span word="the">the</span> <span word="plants">plants</span> <span word="leaves">leaves</span> <span word="are">are</span> <span word="bathed">bathed</span> <span word="in">in</span> <span word="a">a</span> <span word="sea">sea</span> <span word="of">of</span> <span word="nitrogen">nitrogen</span> <span word="gas">gas</span>.</p><p> </p>
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