2015年职称英语理工类考试教材阅读判断重点文章及译文(5)
<p> <span word="Late">Late</span>-<span word="Night">Night</span> <span word="Drinking">Drinking</span></p><p> <span word="Coffee">Coffee</span> <span word="lovers">lovers</span> <span word="beware">beware</span>. <span word="Having">Having</span> <span word="a">a</span> <span word="quick">quick</span> <span word="pick">pick</span>-<span word="me">me</span>-<span word="up">up</span> <span word="cup">cup</span> <span word="of">of</span> <span word="coffee">coffee</span>1 <span word="late">late</span> <span word="in">in</span> <span word="the">the</span> <span word="day">day</span> <span word="will">will</span> <span word="play">play</span> <span word="havoc">havoc</span> <span word="with">with</span>2 <span word="your">your</span> <span word="sleep">sleep</span>. <span word="As">As</span> <span word="well">well</span> <span word="as">as</span> <span word="being">being</span> <span word="a">a</span> <span word="stimulant">stimulant</span>, <span word="caffeine">caffeine</span> <span word="interrupts">interrupts</span> <span word="the">the</span> <span word="flow">flow</span> <span word="of">of</span> <span word="melatonin">melatonin</span>, <span word="the">the</span> <span word="brain">brain</span> <span word="hormone">hormone</span> <span word="that">that</span> <span word="sends">sends</span> <span word="people">people</span> <span word="into">into</span> <span word="a">a</span> <span word="sleep">sleep</span>.</p><p> <span word="Melatonin">Melatonin</span> <span word="levels">levels</span> <span word="normally">normally</span> <span word="start">start</span> <span word="to">to</span> <span word="rise">rise</span> <span word="about">about</span> <span word="two">two</span> <span word="hours">hours</span> <span word="before">before</span> <span word="bedtime">bedtime</span>. <span word="Levels">Levels</span> <span word="then">then</span> <span word="peak">peak</span> <span word="between">between</span> 2 <span word="am">am</span> <span word="and">and</span> 4 <span word="am">am</span>, <span word="before">before</span> <span word="falling">falling</span> <span word="again">again</span>3. <span word="Its">Its</span> <span word="the">the</span> <span word="neurohormone">neurohormone</span> <span word="that">that</span> <span word="controls">controls</span> <span word="our">our</span> <span word="sleep">sleep</span> <span word="and">and</span> <span word="tells">tells</span> <span word="our">our</span> <span word="body">body</span> <span word="when">when</span> <span word="to">to</span> <span word="sleep">sleep</span> <span word="and">and</span> <span word="when">when</span> <span word="to">to</span> <span word="wake">wake</span>, <span word="says">says</span> <span word="Maurice">Maurice</span> <span word="Ohayon">Ohayon</span> <span word="of">of</span> <span word="the">the</span> <span word="Stanford">Stanford</span> <span word="Sleep">Sleep</span> <span word="Epidemiology">Epidemiology</span> <span word="Research">Research</span> <span word="Center">Center</span> <span word="at">at</span> <span word="Stanford">Stanford</span> <span word="University">University</span> <span word="in">in</span> <span word="California">California</span>. <span word="But">But</span> <span word="researchers">researchers</span> <span word="in">in</span> <span word="Israel">Israel</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="caffcinated">caffcinated</span> <span word="coffee">coffee</span> <span word="halves">halves</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="levels">levels</span> <span word="of">of</span> <span word="this">this</span> <span word="sleep">sleep</span> <span word="hormone">hormone</span>. <span word="Lotan">Lotan</span> <span word="Shilo">Shilo</span> <span word="and">and</span> <span word="a">a</span> <span word="team">team</span> <span word="at">at</span> <span word="the">the</span> <span word="Sapir">Sapir</span> <span word="Medical">Medical</span> <span word="Center">Center</span> <span word="in">in</span> <span word="Tel">Tel</span> <span word="Aviv">Aviv</span> <span word="University">University</span> <span word="found">found</span> <span word="that">that</span> <span word="six">six</span> <span word="volunteers">volunteers</span> <span word="slept">slept</span> <span word="less">less</span> <span word="well">well</span> <span word="after">after</span> <span word="a">a</span> <span word="cup">cup</span> <span word="of">of</span> <span word="caffeinated">caffeinated</span> <span word="coffee">coffee</span> <span word="than">than</span> <span word="after">after</span> <span word="drinking">drinking</span> <span word="the">the</span> <span word="same">same</span> <span word="amount">amount</span> <span word="of">of</span> <span word="decal">decal</span>. <span word="On">On</span> <span word="average">average</span>, <span word="subjects">subjects</span> <span word="slept">slept</span> 336 <span word="minutes">minutes</span> <span word="per">per</span> <span word="night">night</span> <span word="after">after</span> <span word="drinking">drinking</span> <span word="caffeinated">caffeinated</span> <span word="coffee">coffee</span>, <span word="compared">compared</span> <span word="with">with</span> 415 <span word="minutes">minutes</span> <span word="after">after</span> <span word="decal">decal</span>. <span word="They">They</span> <span word="also">also</span> <span word="took">took</span> <span word="half">half</span> <span word="an">an</span> <span word="hour">hour</span> <span word="to">to</span> <span word="drop">drop</span> <span word="off">off</span>4 - <span word="twice">twice</span> <span word="as">as</span> <span word="long">long</span> <span word="as">as</span> <span word="usual">usual</span> - <span word="and">and</span> <span word="jigged">jigged</span> <span word="around">around</span>5 <span word="in">in</span> <span word="bed">bed</span> <span word="twice">twice</span> <span word="as">as</span> <span word="much">much</span>.</p><p> <span word="In">In</span> <span word="the">the</span> <span word="second">second</span> <span word="phase">phase</span> <span word="of">of</span> <span word="the">the</span> <span word="experiment">experiment</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="woke">woke</span> <span word="the">the</span> <span word="volunteers">volunteers</span> <span word="every">every</span> <span word="three">three</span> <span word="hours">hours</span> <span word="and">and</span> <span word="asked">asked</span> <span word="them">them</span> <span word="to">to</span> <span word="give">give</span> <span word="a">a</span> <span word="urine">urine</span> <span word="sample">sample</span>, <span word="Shilo">Shilo</span> <span word="measured">measured</span> <span word="concentrations">concentrations</span> <span word="of">of</span> <span word="a">a</span> <span word="breakdown">breakdown</span> <span word="product">product</span> <span word="of">of</span> <span word="melatonin">melatonin</span>. <span word="The">The</span> <span word="results">results</span> <span word="suggest">suggest</span> <span word="that">that</span> <span word="melatonin">melatonin</span> <span word="concentrations">concentrations</span> <span word="in">in</span> <span word="caffeine">caffeine</span> <span word="drinkers">drinkers</span> <span word="were">were</span> <span word="half">half</span> <span word="those">those</span> <span word="in">in</span> <span word="decaf">decaf</span> <span word="drinkers">drinkers</span>. <span word="In">In</span> <span word="a">a</span> <span word="paper">paper</span> <span word="accepted">accepted</span> <span word="for">for</span> <span word="publication">publication</span> <span word="in">in</span> <span word="Sleep">Sleep</span> <span word="Medicine">Medicine</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="suggest">suggest</span>6 <span word="that">that</span> <span word="caffeine">caffeine</span> <span word="blocks">blocks</span> <span word="production">production</span> <span word="of">of</span> <span word="the">the</span> <span word="enzyme">enzyme</span> <span word="that">that</span> <span word="drives">drives</span> <span word="melatonin">melatonin</span> <span word="production">production</span>.</p>
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