人类为什么能成为地球上最厉害的长跑健将？
<p><span word="Each">Each</span> <span word="year">year</span>, <span word="a">a</span> <span word="small">small</span> <span word="town">town</span> <span word="in">in</span> <span word="Wales">Wales</span> <span word="holds">holds</span> <span word="the">the</span> <span word="Man">Man</span> <span word="Versus">Versus</span> <span word="Horse">Horse</span> <span word="Marathon">Marathon</span>. <span word="It">It</span>'<span word="s">s</span> <span word="a">a</span> 22-<span word="mile">mile</span> <span word="race">race</span> <span word="between">between</span> <span word="riders">riders</span> <span word="on">on</span> <span word="horseback">horseback</span> <span word="and">and</span> <span word="runners">runners</span>. <span word="And">And</span>, <span word="while">while</span> <span word="horses">horses</span> <span word="often">often</span> <span word="win">win</span>, <span word="humans">humans</span> <span word="will">will</span> <span word="sometimes">sometimes</span> <span word="prevail">prevail</span>.</p><p>威尔士的一个小镇每年都会举办“人马长跑大赛”，由骑马者和跑步者共同参与，赛程约为35公里。虽然骑马者常常胜出，但人类有时也能获胜。</p><p><span word="So">So</span> <span word="what">what</span> <span word="makes">makes</span> <span word="humans">humans</span> <span word="such">such</span> <span word="endurance">endurance</span> <span word="running">running</span> <span word="superstars">superstars</span>?</p><p>那么，人类为什么能成为长跑健将呢？</p>
页:
[1]