The main cause of death and disability in the US阅读理解答案
<p><span word="The">The</span> <span word="main">main</span> <span word="cause">cause</span> <span word="of">of</span> <span word="death">death</span> <span word="and">and</span> <span word="disability">disability</span> <span word="in">in</span> <span word="the">the</span> <span word="US">US</span></p><p><span word="Stroke">Stroke</span> （中风）<span word="is">is</span> <span word="the">the</span> <span word="main">main</span> <span word="cause">cause</span> <span word="of">of</span> <span word="death">death</span> <span word="and">and</span> <span word="disability">disability</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>. <span word="Every">Every</span> 45 <span word="seconds">seconds</span>, <span word="someone">someone</span> <span word="in">in</span> <span word="America">America</span> <span word="has">has</span> <span word="a">a</span> <span word="stroke">stroke</span>. 36 <span word="It">It</span> <span word="is">is</span> <span word="the">the</span> <span word="nation">nation</span>'<span word="s">s</span> <span word="third">third</span> <span word="leading">leading</span> <span word="cause">cause</span> <span word="of">of</span> <span word="death">death</span>, <span word="ranking">ranking</span> <span word="behind">behind</span> <span word="diseases">diseases</span> <span word="of">of</span> <span word="the">the</span> <span word="heart">heart</span> <span word="and">and</span> <span word="all">all</span> <span word="forms">forms</span> <span word="of">of</span> <span word="cancer">cancer</span>. <span word="The">The</span> <span word="following">following</span> <span word="is">is</span> <span word="something">something</span> <span word="more">more</span> <span word="about">about</span> <span word="stroke">stroke</span> <span word="www">www</span>.<span word="dearedu">dearedu</span>.<span word="com">com</span> .</p><p><span word="Definition">Definition</span> <span word="and">and</span> <span word="description">description</span> <span word="of">of</span> <span word="a">a</span> <span word="stroke">stroke</span></p><p><span word="Stroke">Stroke</span> <span word="is">is</span> <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> <span word="cardiovascular">cardiovascular</span> <span word="disease">disease</span>. <span word="It">It</span> <span word="affects">affects</span> <span word="the">the</span> <span word="arteries">arteries</span>(动脉) <span word="leading">leading</span> <span word="to">to</span> <span word="and">and</span> <span word="within">within</span> <span word="the">the</span> <span word="brain">brain</span>. <span word="A">A</span> <span word="stroke">stroke</span> <span word="occurs">occurs</span> <span word="when">when</span> <span word="a">a</span> <span word="blood">blood</span> <span word="vessel">vessel</span>（血管） <span word="that">that</span> <span word="carries">carries</span> <span word="oxygen">oxygen</span> <span word="and">and</span> <span word="nutrients">nutrients</span> <span word="to">to</span> <span word="the">the</span> <span word="brain">brain</span> <span word="is">is</span> <span word="either">either</span> <span word="blocked">blocked</span> <span word="by">by</span> <span word="a">a</span> <span word="clot">clot</span> <span word="or">or</span> <span word="bursts">bursts</span>. 37 . <span word="So">So</span> <span word="stroke">stroke</span> <span word="forms">forms</span>.</p><p>38 <span word="The">The</span> <span word="American">American</span> <span word="Stroke">Stroke</span> <span word="Association">Association</span> <span word="has">has</span> <span word="identified">identified</span> <span word="several">several</span> <span word="factors">factors</span> (因素) <span word="that">that</span> <span word="increase">increase</span> <span word="the">the</span> <span word="risk">risk</span> <span word="of">of</span> <span word="stroke">stroke</span>. <span word="The">The</span> <span word="more">more</span> <span word="risk">risk</span> <span word="factors">factors</span> <span word="a">a</span> <span word="person">person</span> <span word="has">has</span>, <span word="the">the</span> <span word="greater">greater</span> <span word="the">the</span> <span word="chance">chance</span> <span word="that">that</span> <span word="he">he</span> <span word="or">or</span> <span word="she">she</span> <span word="will">will</span> <span word="have">have</span> <span word="a">a</span> <span word="stroke">stroke</span>. <span word="Some">Some</span> <span word="of">of</span> <span word="these">these</span> <span word="you">you</span> <span word="can">can</span>'<span word="t">t</span> <span word="www">www</span>.<span word="dearedu">dearedu</span>.<span word="com">com</span> <span word="control">control</span>, <span word="such">such</span> <span word="as">as</span> <span word="increasing">increasing</span> <span word="age">age</span>, <span word="family">family</span> <span word="health">health</span> <span word="history">history</span>, <span word="race">race</span>, <span word="and">and</span> <span word="previous">previous</span> <span word="stroke">stroke</span>. 39 . <span word="Factors">Factors</span> <span word="resulting">resulting</span> <span word="from">from</span> <span word="lifestyle">lifestyle</span> <span word="or">or</span> <span word="environment">environment</span> <span word="can">can</span> <span word="be">be</span> <span word="improved">improved</span> <span word="with">with</span> <span word="a">a</span> <span word="healthcare">healthcare</span> <span word="provider">provider</span>'<span word="s">s</span> <span word="help">help</span>.</p><p><span word="Breakthroughs">Breakthroughs</span> <span word="in">in</span> <span word="treatment">treatment</span> 40 .<span word="In">In</span> <span word="fact">fact</span>, <span word="about">about</span> 600,000 <span word="people">people</span> <span word="have">have</span> <span word="strokes">strokes</span> <span word="every">every</span> <span word="year">year</span>. <span word="For">For</span> <span word="many">many</span> <span word="years">years</span>, <span word="there">there</span> <span word="was">was</span> <span word="no">no</span> <span word="hopwww">hopwww</span>.<span word="dearedu">dearedu</span>.<span word="come">come</span> <span word="for">for</span> <span word="those">those</span> <span word="suffering">suffering</span> <span word="a">a</span> <span word="stroke">stroke</span>. <span word="However">However</span>, <span word="recent">recent</span> <span word="breakthroughs">breakthroughs</span> <span word="have">have</span> <span word="led">led</span> <span word="to">to</span> <span word="new">new</span> <span word="treatments">treatments</span>. <span word="For">For</span> <span word="the">the</span> <span word="treatments">treatments</span> <span word="to">to</span> <span word="work">work</span>, <span word="the">the</span> <span word="person">person</span> <span word="must">must</span> <span word="get">get</span> <span word="to">to</span> <span word="a">a</span> <span word="hospital">hospital</span> <span word="immediately">immediately</span>.</p><p><span word="A">A</span>. <span word="Risk">Risk</span> <span word="factors">factors</span> <span word="of">of</span> <span word="a">a</span> <span word="stroke">stroke</span>.<span word="B">B</span> .<span word="Warning">Warning</span> <span word="signs">signs</span> <span word="of">of</span> <span word="a">a</span> <span word="stroke">stroke</span>. </p>
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