职称英语理工类教材阅读理解的文章及译文(5)
<p> <span word="Late">Late</span>-<span word="Night">Night</span> <span word="Drinking">Drinking</span> <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>. <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>. 1. <span word="The">The</span> <span word="author">author</span> <span word="mentions">mentions</span> <span word="pick">pick</span>-<span word="me">me</span>-<span word="up">up</span> <span word="to">to</span> <span word="indicate">indicate</span> <span word="that">that</span> <span word="B">B</span> <span word="neurohormone">neurohormone</span> <span word="can">can</span> <span word="wake">wake</span> <span word="us">us</span> <span word="up">up</span>. <span word="D">D</span> <span word="decaf">decaf</span> <span word="is">is</span> <span word="a">a</span> <span word="caffeinated">caffeinated</span> <span word="coffee">coffee</span>. <span word="A">A</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="stops">stops</span> <span word="melatonin">melatonin</span> <span word="production">production</span>. <span word="C">C</span> <span word="Caffeine">Caffeine</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="sleep">sleep</span> <span word="hormone">hormone</span>. 3. <span word="What">What</span> <span word="does">does</span> <span word="paragraph">paragraph</span> 3 <span word="mainly">mainly</span> <span word="discuss">discuss</span>? <span word="B">B</span> <span word="Different">Different</span> <span word="findings">findings</span> <span word="of">of</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="about">about</span> <span word="caffeine">caffeine</span>. <span word="D">D</span> <span word="The">The</span> <span word="proof">proof</span> <span word="that">that</span> <span word="the">the</span> <span word="subjects">subjects</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="fall">fall</span> <span word="asleep">asleep</span>. <span word="A">A</span> <span word="There">There</span> <span word="are">are</span> <span word="more">more</span> <span word="enzymes">enzymes</span> <span word="in">in</span> <span word="decaf">decaf</span> <span word="drinkers">drinkers</span> <span word="urine">urine</span> <span word="sample">sample</span>. <span word="C">C</span> <span word="Decaf">Decaf</span> <span word="drinkers">drinkers</span> <span word="produce">produce</span> <span word="less">less</span> <span word="melatonin">melatonin</span>. 5. <span word="The">The</span> <span word="author">author</span> <span word="of">of</span> <span word="this">this</span> <span word="passage">passage</span> <span word="probably">probably</span> <span word="agrees">agrees</span> <span word="that">that</span> <span word="B">B</span> <span word="we">we</span> <span word="should">should</span> <span word="not">not</span> <span word="drink">drink</span> <span word="coffee">coffee</span> <span word="after">after</span> <span word="supper">supper</span>. <span word="D">D</span> <span word="if">if</span> <span word="we">we</span> <span word="feel">feel</span> <span word="sleepy">sleepy</span> <span word="at">at</span> <span word="night">night</span>, <span word="we">we</span> <span word="should">should</span> <span word="go">go</span> <span word="to">to</span> <span word="bed">bed</span> <span word="immediately">immediately</span>. </p>
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