2016届高考英语人教版一轮复习：课时作业18
<p> 课时作业18 <span word="A">A</span> <span word="taste">taste</span> <span word="of">of</span> <span word="English">English</span> <span word="humour">humour</span></p><p> Ⅰ.阅读理解</p><p> (2017·四川省德阳五中月考)</p><p> <span word="American">American</span> <span word="researchers">researchers</span> <span word="found">found</span> <span word="females">females</span> <span word="are">are</span> <span word="the">the</span> <span word="more">more</span> <span word="talkative">talkative</span> <span word="sex">sex</span> <span word="because">because</span> <span word="of">of</span> <span word="a">a</span> <span word="special">special</span> “<span word="language">language</span> <span word="protein">protein</span>”<span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span>.</p><p> <span word="The">The</span> <span word="study">study</span>, <span word="conducted">conducted</span> <span word="by">by</span> <span word="neuroscientists">neuroscientists</span>(神经学家) <span word="and">and</span> <span word="psychologist">psychologist</span> <span word="from">from</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Maryland">Maryland</span>, <span word="concluded">concluded</span> <span word="that">that</span> <span word="women">women</span> <span word="talked">talked</span> <span word="more">more</span> <span word="because">because</span> <span word="they">they</span> <span word="had">had</span> <span word="more">more</span> <span word="of">of</span> <span word="the">the</span> <span word="Foxp">Foxp</span>2 <span word="protein">protein</span>. <span word="The">The</span> <span word="research">research</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="Neuroscience">Neuroscience</span>, <span word="found">found</span> <span word="that">that</span> <span word="higher">higher</span> <span word="levels">levels</span> <span word="were">were</span> <span word="found">found</span> <span word="among">among</span> <span word="humans">humans</span> <span word="that">that</span> <span word="were">were</span> <span word="women">women</span> <span word="but">but</span> <span word="in">in</span> <span word="rats">rats</span> <span word="that">that</span> <span word="were">were</span> <span word="males">males</span>. <span word="Their">Their</span> <span word="findings">findings</span> <span word="came">came</span> <span word="after">after</span> <span word="it">it</span> <span word="was">was</span> <span word="previously">previously</span> <span word="claimed">claimed</span> <span word="that">that</span> <span word="ladies">ladies</span> <span word="speak">speak</span> <span word="about">about</span> 20,000 <span word="words">words</span> <span word="a">a</span> <span word="day">day</span>—</p><p> <span word="over">over</span> 13,000 <span word="more">more</span> <span word="than">than</span> <span word="men">men</span>. “<span word="This">This</span> <span word="study">study</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="first">first</span> <span word="to">to</span> <span word="report">report</span> <span word="a">a</span> <span word="sex">sex</span> <span word="difference">difference</span> <span word="in">in</span> <span word="the">the</span> <span word="expression">expression</span> <span word="of">of</span> <span word="a">a</span> <span word="language">language</span><span word="associated">associated</span> <span word="protein">protein</span> <span word="in">in</span> <span word="humans">humans</span> <span word="or">or</span> <span word="animals">animals</span>，” <span word="said">said</span> <span word="Prof">Prof</span> <span word="Margaret">Margaret</span> <span word="McCarthy">McCarthy</span>, <span word="who">who</span> <span word="led">led</span> <span word="the">the</span> <span word="study">study</span>. <span word="In">In</span> <span word="their">their</span> <span word="study">study</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="attempted">attempted</span> <span word="to">to</span> <span word="determine">determine</span> <span word="what">what</span> <span word="might">might</span> <span word="make">make</span> <span word="male">male</span> <span word="rats">rats</span> <span word="more">more</span> <span word="vocal">vocal</span> <span word="than">than</span> <span word="their">their</span> <span word="female">female</span> <span word="friends">friends</span>.</p><p> <span word="They">They</span> <span word="separated">separated</span> <span word="four">four</span><span word="day">day</span><span word="old">old</span> <span word="rats">rats</span> <span word="from">from</span> <span word="their">their</span> <span word="mothers">mothers</span> <span word="and">and</span> <span word="then">then</span> <span word="counted">counted</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="times">times</span> <span word="they">they</span> <span word="cried">cried</span> <span word="out">out</span> <span word="in">in</span> <span word="the">the</span> “<span word="ultrasonic">ultrasonic</span> (超声波的) <span word="range">range</span>”， <span word="the">the</span> <span word="frequencies">frequencies</span> <span word="higher">higher</span> <span word="than">than</span> <span word="humans">humans</span> <span word="can">can</span> <span word="hear">hear</span>, <span word="over">over</span> <span word="five">five</span> <span word="minutes">minutes</span>. <span word="While">While</span> <span word="both">both</span> <span word="sexes">sexes</span> <span word="called">called</span> <span word="out">out</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="cries">cries</span>, <span word="the">the</span> <span word="males">males</span> <span word="called">called</span> <span word="out">out</span> <span word="twice">twice</span> <span word="as">as</span> <span word="often">often</span>，<span word="they">they</span> <span word="found">found</span>. <span word="But">But</span> <span word="when">when</span> <span word="the">the</span> <span word="pups">pups</span> <span word="were">were</span> <span word="returned">returned</span> <span word="to">to</span> <span word="their">their</span> <span word="mother">mother</span>'<span word="s">s</span> <span word="cage">cage</span>, <span word="she">she</span> <span word="fussed">fussed</span>_<span word="over">over</span> <span word="her">her</span> <span word="sons">sons</span> <span word="first">first</span>. <span word="Tests">Tests</span> <span word="conducted">conducted</span> <span word="on">on</span> <span word="the">the</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="known">known</span> <span word="to">to</span> <span word="be">be</span> <span word="associated">associated</span> <span word="with">with</span> <span word="vocal">vocal</span> <span word="calls">calls</span> <span word="showed">showed</span> <span word="the">the</span> <span word="male">male</span> <span word="pups">pups</span> <span word="have">have</span> <span word="up">up</span> <span word="to">to</span> <span word="twice">twice</span> <span word="as">as</span> <span word="much">much</span> <span word="Foxp">Foxp</span>2 <span word="protein">protein</span> <span word="as">as</span> <span word="the">the</span> <span word="females">females</span>. <span word="The">The</span> <span word="researchers">researchers</span> <span word="then">then</span> <span word="increased">increased</span> <span word="the">the</span> <span word="production">production</span> <span word="in">in</span> <span word="the">the</span> <span word="brains">brains</span> <span word="of">of</span> <span word="female">female</span> <span word="pups">pups</span> <span word="and">and</span> <span word="reduced">reduced</span> <span word="it">it</span> <span word="in">in</span> <span word="males">males</span>. <span word="This">This</span> <span word="led">led</span> <span word="to">to</span> <span word="the">the</span> <span word="female">female</span> <span word="rats">rats</span> <span word="crying">crying</span> <span word="out">out</span> <span word="more">more</span> <span word="often">often</span> <span word="and">and</span> <span word="their">their</span> <span word="mothers">mothers</span> <span word="showing">showing</span> <span word="more">more</span> <span word="interest">interest</span> <span word="to">to</span> <span word="them">them</span>. <span word="In">In</span> <span word="contrast">contrast</span>, <span word="males">males</span> <span word="became">became</span> <span word="less">less</span> “<span word="talkative">talkative</span>”．</p>
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