GRE阅读长难句实例分析（17）
<p> 本文为大家准备了<span word="GRE">GRE</span>阅读长难句实例分析（17），便于考生<span word="GRE">GRE</span>考试备考。</p><p> 1. <span word="Even">Even</span> <span word="the">the</span> <span word="requirement">requirement</span> <span word="that">that</span> <span word="biomaterials">biomaterials</span> <span word="processed">processed</span> <span word="from">from</span> <span word="these">these</span> <span word="materials">materials</span> <span word="be">be</span> <span word="nontoxic">nontoxic</span> <span word="to">to</span> <span word="host">host</span> <span word="tissue">tissue</span> <span word="can">can</span> <span word="be">be</span> <span word="met">met</span> <span word="by">by</span> <span word="techniques">techniques</span> <span word="derived">derived</span> <span word="from">from</span> <span word="studying">studying</span> <span word="the">the</span> <span word="reactions">reactions</span> <span word="of">of</span> <span word="tissue">tissue</span> <span word="cultures">cultures</span> <span word="to">to</span> <span word="biomaterials">biomaterials</span> <span word="or">or</span> <span word="from">from</span> <span word="short">short</span>-<span word="term">term</span> <span word="implants">implants</span>.</p><p> 即使是这样的要求，即从这些材料中加工出来的生物材料应该对受移植者的组织无害，也能够通过从研究组织培养对生物材料的反应而来的，或从研究短期移植而来的技术来满足。</p><p> 难句类型：复杂修饰、省略、专有名词、固定搭配</p><p> 解释：主语<span word="the">the</span> <span word="requirement">requirement</span>后面带着一个长长的修饰主语的同位语;由于<span word="requirement">requirement</span>的同位语中要求使用虚拟语气，所以其中的系动词成了原型。如此之长的修饰成分过后，谓语<span word="can">can</span> <span word="be">be</span> <span word="met">met</span>与主语的关系已经很难理清了。从<span word="by">by</span>开始的状语结构更为复杂;修饰<span word="techniques">techniques</span>的后置的定语<span word="derived">derived</span> <span word="from">from</span> <span word="studying">studying</span> <span word="the">the</span> <span word="reactions">reactions</span> <span word="of">of</span> <span word="tissure">tissure</span> <span word="cultures">cultures</span> <span word="to">to</span> <span word="biomaterials">biomaterials</span> <span word="or">or</span> <span word="derived">derived</span> <span word="from">from</span> <span word="studying">studying</span> <span word="short">short</span>-<span word="term">term</span> <span word="implants">implants</span>实际上是由<span word="or">or</span>所连接的两个固定搭配<span word="the">the</span> <span word="reactions">reactions</span> <span word="of">of</span> <span word="tissure">tissure</span> <span word="cultures">cultures</span> <span word="to">to</span> <span word="biomaterials">biomaterials</span>;第二个<span word="derive">derive</span> <span word="from">from</span>中还套了另外一个固定搭配<span word="the">the</span> <span word="reactions">reactions</span> <span word="of">of</span> <span word="tissure">tissure</span> <span word="cultures">cultures</span> <span word="to">to</span> <span word="biomaterials">biomaterials</span>;第二个<span word="derive">derive</span> <span word="from">from</span>则干脆把<span word="derive">derive</span>给省略了。此外，本句的专有名词奇多，这使得阅读的难度非常高。</p>
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