做语法练习时，咖啡竟能巧妙帮助你?
<p><span word="You">You</span> <span word="probably">probably</span> <span word="count">count</span> <span word="on">on</span> <span word="your">your</span> <span word="daily">daily</span> <span word="jolt">jolt</span> <span word="of">of</span> <span word="caffeine">caffeine</span> <span word="to">to</span> <span word="wake">wake</span> <span word="up">up</span> <span word="your">your</span> <span word="brain">brain</span> <span word="and">and</span> <span word="stay">stay</span> <span word="sharp">sharp</span> <span word="all">all</span> <span word="day">day</span> <span word="long">long</span>. <span word="But">But</span> <span word="downing">downing</span> <span word="that">that</span> <span word="coffee">coffee</span>, <span word="tea">tea</span>, <span word="cola">cola</span>, <span word="or">or</span> <span word="chocolate">chocolate</span> <span word="bar">bar</span> <span word="may">may</span> <span word="be">be</span> <span word="giving">giving</span> <span word="you">you</span> <span word="a">a</span> <span word="leg">leg</span> <span word="up">up</span> <span word="in">in</span> <span word="another">another</span> <span word="unexpected">unexpected</span> <span word="way">way</span>: <span word="It">It</span> <span word="can">can</span> <span word="improve">improve</span> <span word="your">your</span> <span word="proofreading">proofreading</span> <span word="skills">skills</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span>.</p><p>也许你现在每天要靠咖啡来醒脑、醒神。但其实咖啡、茶、可乐和巧克力棒还能在其他方面给你意想不到的帮助：一项最新研究表示，它能帮你提高你的校正能力。</p><p><span word="In">In</span> <span word="the">the</span> <span word="study">study</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Experimental">Experimental</span> <span word="Psychology">Psychology</span>: <span word="Applied">Applied</span>, <span word="researchers">researchers</span> <span word="asked">asked</span> 36 <span word="college">college</span> <span word="students">students</span> <span word="who">who</span> <span word="consumed">consumed</span> <span word="low">low</span> <span word="levels">levels</span> <span word="of">of</span> <span word="caffeine">caffeine</span> -- <span word="about">about</span> <span word="a">a</span> <span word="half">half</span>-<span word="cup">cup</span> <span word="of">of</span> <span word="coffee">coffee</span> <span word="a">a</span> <span word="day">day</span> -- <span word="to">to</span> <span word="do">do</span> <span word="a">a</span> "<span word="language">language</span> <span word="task">task</span>." <span word="The">The</span> <span word="students">students</span> <span word="were">were</span> <span word="given">given</span> 5 <span word="minutes">minutes</span> <span word="to">to</span> <span word="read">read</span> <span word="a">a</span> <span word="one">one</span>-<span word="page">page</span> <span word="news">news</span> <span word="story">story</span>, <span word="and">and</span> <span word="needed">needed</span> <span word="to">to</span> <span word="identify">identify</span> <span word="and">and</span> <span word="correct">correct</span> <span word="as">as</span> <span word="many">many</span> <span word="spelling">spelling</span> <span word="and">and</span> <span word="grammatical">grammatical</span> <span word="mistakes">mistakes</span> <span word="as">as</span> <span word="they">they</span> <span word="found">found</span> <span word="in">in</span> <span word="that">that</span> <span word="time">time</span>.</p><p>在《实验心理学期刊》上发表的文章：研究者让36名对咖啡摄入程度较低的大学生——每天咖啡摄入量低于半杯——做一个“语言测试”。给这些受测试者5分钟时间来读一篇长度约为一页的文章，让他们找出并更正文内的拼写和语法错误。</p><p><span word="Forty">Forty</span>-<span word="five">five</span> <span word="minutes">minutes</span> <span word="before">before</span> <span word="taking">taking</span> <span word="the">the</span> <span word="proofreading">proofreading</span> <span word="test">test</span>, <span word="students">students</span> <span word="were">were</span> <span word="randomly">randomly</span> <span word="given">given</span> <span word="a">a</span> <span word="capsule">capsule</span> <span word="containing">containing</span> <span word="one">one</span> <span word="of">of</span> <span word="four">four</span> <span word="doses">doses</span> <span word="of">of</span> <span word="caffeine">caffeine</span>: <span word="none">none</span>, 100 <span word="milligrams">milligrams</span>, 200 <span word="milligrams">milligrams</span> , <span word="or">or</span> 400 <span word="milligrams">milligrams</span>.</p>
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