GRE阅读练习每日一篇(三十二)
<p> 编辑点评： <span word="GRE">GRE</span>阅读的方法相信大家已经积累了很多了，本文就为大家提供一些<span word="GRE">GRE</span>阅读的材料，大家来练一练，把平时学到的东西运用到实际中，也多多积累词汇和句子，提高自己的阅读能力。</p><p> 每天做一些标准的<span word="GRE">GRE</span>阅读练习，有助于大家在<span word="GRE">GRE</span>考试的复习过程中不断地进行练习和总结。希望大家在进行<span word="GRE">GRE</span>阅读练习时，充分运用平时所积累的知识，这样才能有效果。</p><p> <span word="Currently">Currently</span>, <span word="the">the</span> <span word="paramount">paramount</span> <span word="problem">problem</span> <span word="in">in</span> <span word="the">the</span> <span word="field">field</span> <span word="of">of</span> <span word="biomaterials">biomaterials</span>, <span word="the">the</span> <span word="science">science</span> <span word="of">of</span> <span word="replacing">replacing</span> <span word="diseased">diseased</span> <span word="tissue">tissue</span> <span word="with">with</span> <span word="human">human</span>-<span word="made">made</span> <span word="implants">implants</span>, <span word="is">is</span> <span word="control">control</span> <span word="over">over</span> <span word="the">the</span> <span word="interface">interface</span>, <span word="or">or</span> <span word="surface">surface</span>, <span word="between">between</span> <span word="implanted">implanted</span> <span word="biomaterials">biomaterials</span> <span word="and">and</span> <span word="living">living</span> <span word="tissues">tissues</span>. <span word="The">The</span> <span word="physical">physical</span> <span word="properties">properties</span> <span word="of">of</span> <span word="most">most</span> <span word="tissues">tissues</span> <span word="can">can</span> <span word="be">be</span> <span word="matched">matched</span> <span word="by">by</span> <span word="careful">careful</span> <span word="selection">selection</span> <span word="of">of</span> <span word="raw">raw</span> <span word="materials">materials</span>: <span word="metals">metals</span>, <span word="ceramics">ceramics</span>, <span word="or">or</span> <span word="several">several</span> <span word="varieties">varieties</span> <span word="of">of</span> <span word="polymer">polymer</span> <span word="materials">materials</span>. <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>. <span word="But">But</span> <span word="achieving">achieving</span> <span word="necessary">necessary</span> <span word="matches">matches</span> <span word="in">in</span> <span word="physical">physical</span> <span word="properties">properties</span> <span word="across">across</span> <span word="interfaces">interfaces</span> <span word="between">between</span> <span word="living">living</span> <span word="and">and</span> <span word="non">non</span>-<span word="living">living</span> <span word="matter">matter</span> <span word="requires">requires</span> <span word="knowledge">knowledge</span> <span word="of">of</span> <span word="which">which</span> <span word="molecules">molecules</span> <span word="control">control</span> <span word="the">the</span> <span word="bonding">bonding</span> <span word="of">of</span> <span word="cells">cells</span> <span word="to">to</span> <span word="each">each</span> <span word="other">other</span> <span word="an">an</span> <span word="area">area</span> <span word="that">that</span> <span word="we">we</span> <span word="have">have</span> <span word="not">not</span> <span word="yet">yet</span> <span word="explored">explored</span> <span word="thoroughly">thoroughly</span>. <span word="Although">Although</span> <span word="recent">recent</span> <span word="research">research</span> <span word="has">has</span> <span word="allowed">allowed</span> <span word="us">us</span> <span word="to">to</span> <span word="stabilize">stabilize</span> <span word="the">the</span> <span word="tissue">tissue</span>-<span word="biomaterial">biomaterial</span> <span word="interface">interface</span> <span word="by">by</span> <span word="controlling">controlling</span> <span word="either">either</span> <span word="the">the</span> <span word="chemical">chemical</span> <span word="reactions">reactions</span> <span word="or">or</span> <span word="the">the</span> <span word="microstructure">microstructure</span> <span word="of">of</span> <span word="the">the</span> <span word="biomaterial">biomaterial</span>, <span word="our">our</span> <span word="fundamental">fundamental</span> <span word="understanding">understanding</span> <span word="of">of</span> <span word="how">how</span> <span word="implant">implant</span> <span word="devices">devices</span> <span word="adhere">adhere</span> <span word="to">to</span> <span word="tissues">tissues</span> <span word="remains">remains</span> <span word="woefully">woefully</span> <span word="incomplete">incomplete</span>.</p>
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