2013年12月英语六级外刊的阅读挺过中风继续活着
<p> 2013年12月英语六级外刊阅读：挺过中风 继续活着</p><p> 查看汇总：</p><p> <span word="Science">Science</span> <span word="and">and</span> <span word="technology">technology</span></p><p> 科学技术</p><p> <span word="Surviving">Surviving</span> <span word="strokes">strokes</span></p><p> 挺过中风</p><p> <span word="Living">Living</span> <span word="on">on</span></p><p> 继续活着</p><p> <span word="Why">Why</span> <span word="some">some</span> <span word="cells">cells</span> <span word="survive">survive</span> <span word="strokes">strokes</span> <span word="while">while</span> <span word="others">others</span> <span word="dont">dont</span></p><p> 为什么有些细胞能幸免于中风，而另一些则不能</p><p> <span word="WHEN">WHEN</span> <span word="dealing">dealing</span> <span word="with">with</span> <span word="a">a</span> <span word="strokea">strokea</span> <span word="loss">loss</span> <span word="of">of</span> <span word="blood">blood</span> <span word="supply">supply</span> <span word="to">to</span> <span word="the">the</span> <span word="braintime">braintime</span> <span word="is">is</span> <span word="of">of</span> <span word="the">the</span> <span word="essence">essence</span>.</p><p> 在应对由于大脑失去血液供应造成的中风时，时间是至关重要的。</p><p> <span word="If">If</span> <span word="the">the</span> <span word="cause">cause</span> <span word="is">is</span> <span word="a">a</span> <span word="blocked">blocked</span> <span word="artery">artery</span>, <span word="blood">blood</span> <span word="flow">flow</span> <span word="can">can</span> <span word="often">often</span> <span word="be">be</span> <span word="restored">restored</span> <span word="using">using</span> <span word="clot">clot</span>-<span word="busting">busting</span> <span word="drugs">drugs</span>.</p><p> 如果原因是动脉阻塞，在使用溶栓药物后，血液流动通常会恢复正常。</p><p> <span word="If">If</span> <span word="those">those</span> <span word="drugs">drugs</span> <span word="are">are</span> <span word="swallowed">swallowed</span> <span word="too">too</span> <span word="late">late</span>, <span word="however">however</span>, <span word="they">they</span> <span word="can">can</span> <span word="do">do</span> <span word="more">more</span> <span word="harm">harm</span> <span word="than">than</span> <span word="good">good</span>.</p><p> 然而，如果这些药物吃得过晚，那么弊大于利。</p><p> <span word="In">In</span> <span word="one">one</span> <span word="of">of</span> <span word="natures">natures</span> <span word="crueller">crueller</span> <span word="ironies">ironies</span>, <span word="the">the</span> <span word="metabolic">metabolic</span> <span word="changes">changes</span> <span word="that">that</span> <span word="take">take</span> <span word="place">place</span> <span word="in">in</span> <span word="cells">cells</span> <span word="after">after</span> <span word="about">about</span> <span word="three">three</span> <span word="hours">hours</span> <span word="without">without</span> <span word="oxygen">oxygen</span> <span word="or">or</span> <span word="glucose">glucose</span> <span word="mean">mean</span> <span word="that">that</span> <span word="restoring">restoring</span> <span word="blood">blood</span> <span word="flow">flow</span> <span word="becomes">becomes</span> <span word="damaging">damaging</span> <span word="in">in</span> <span word="itself">itself</span>.</p><p> 自然的残酷讽刺是，细胞在约三个小时没有氧气或葡萄糖时所产生的代谢变化意味着恢复血流本身是具破坏性的。</p>
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