2015职称英语理工类B级阅读理解练习题及答案(4)
<p> <span word="Listening">Listening</span> <span word="to">to</span> <span word="Birdsong">Birdsong</span></p><p> <span word="Scientists">Scientists</span> <span word="had">had</span> <span word="noticed">noticed</span> <span word="slight">slight</span> <span word="variations">variations</span> <span word="in">in</span> <span word="the">the</span> <span word="songs">songs</span> <span word="of">of</span> <span word="male">male</span> <span word="zebra">zebra</span> <span word="finches">finches</span> <span word="based">based</span> <span word="on">on</span> <span word="whether">whether</span> <span word="they">they</span> <span word="were">were</span> <span word="singing">singing</span> <span word="alone">alone</span> <span word="or">or</span> <span word="whether">whether</span> <span word="there">there</span> <span word="was">was</span> <span word="a">a</span> <span word="female">female</span> <span word="nearby">nearby</span>. <span word="With">With</span> <span word="an">an</span> <span word="audience">audience</span>, <span word="the">the</span> <span word="males">males</span> <span word="sped">sped</span> <span word="up">up</span> <span word="the">the</span> <span word="pace">pace</span> <span word="of">of</span> <span word="their">their</span> <span word="songs">songs</span> <span word="and">and</span> <span word="controlled">controlled</span> <span word="the">the</span> <span word="notes">notes</span> <span word="they">they</span> <span word="used">used</span>. <span word="For">For</span> <span word="this">this</span> <span word="Study">Study</span>, <span word="researchers">researchers</span> <span word="Sarah">Sarah</span> <span word="C">C</span>. <span word="Woolley">Woolley</span> <span word="and">and</span> <span word="Allison">Allison</span> <span word="Doupe">Doupe</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span>, <span word="San">San</span> <span word="Francisco">Francisco</span> <span word="decided">decided</span> <span word="to">to</span> <span word="focus">focus</span> <span word="attention">attention</span> <span word="on">on</span> <span word="the">the</span> <span word="listening">listening</span> <span word="females">females</span>, <span word="which">which</span> <span word="have">have</span> <span word="not">not</span> <span word="been">been</span> <span word="well">well</span> <span word="studied">studied</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span>.</p><p> <span word="Female">Female</span> <span word="birds">birds</span> <span word="were">were</span> <span word="placed">placed</span> <span word="between">between</span> <span word="the">the</span> <span word="two">two</span> <span word="speakers">speakers</span>. <span word="Some">Some</span> <span word="of">of</span> <span word="the">the</span> <span word="birds">birds</span> <span word="had">had</span> <span word="mates">mates</span>, <span word="others">others</span> <span word="didnt">didnt</span>. <span word="The">The</span> <span word="females">females</span> <span word="shifted">shifted</span> <span word="around">around</span> <span word="a">a</span> <span word="bit">bit</span>, <span word="and">and</span> <span word="then">then</span> <span word="most">most</span> <span word="of">of</span> <span word="them">them</span> <span word="hopped">hopped</span> <span word="over">over</span> <span word="to">to</span> <span word="sit">sit</span> <span word="beside">beside</span> <span word="just">just</span> <span word="one">one</span> <span word="speaker">speaker</span>. <span word="All">All</span> <span word="the">the</span> <span word="birds">birds</span> <span word="that">that</span> <span word="made">made</span> <span word="a">a</span> <span word="clear">clear</span> <span word="choice">choice</span> <span word="liked">liked</span> <span word="songs">songs</span> <span word="meant">meant</span> <span word="for">for</span> <span word="a">a</span> <span word="female">female</span> <span word="audience">audience</span>, <span word="even">even</span> <span word="if">if</span> <span word="theyd">theyd</span> <span word="never">never</span> <span word="met">met</span> <span word="the">the</span> <span word="male">male</span>.</p><p> <span word="Scientists">Scientists</span> <span word="then">then</span> <span word="studied">studied</span> <span word="the">the</span> <span word="brains">brains</span> <span word="of">of</span> <span word="the">the</span> <span word="females">females</span>. <span word="They">They</span> <span word="found">found</span> <span word="certain">certain</span> <span word="areas">areas</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="perked">perked</span> <span word="up">up</span> <span word="when">when</span> <span word="the">the</span> <span word="birds">birds</span> <span word="listened">listened</span> <span word="to">to</span> <span word="the">the</span> <span word="concert">concert</span> <span word="songs">songs</span>. <span word="These">These</span> <span word="brain">brain</span> <span word="areas">areas</span> <span word="may">may</span> <span word="be">be</span> <span word="involved">involved</span> <span word="in">in</span> <span word="recognizing">recognizing</span> <span word="and">and</span> <span word="evaluating">evaluating</span> <span word="the">the</span> <span word="songs">songs</span>, <span word="and">and</span> <span word="storing">storing</span> <span word="the">the</span> <span word="memories">memories</span> <span word="of">of</span> <span word="them">them</span>. <span word="This">This</span> <span word="research">research</span> <span word="deals">deals</span> <span word="with">with</span> <span word="whats">whats</span> <span word="called">called</span> <span word="directed">directed</span> <span word="communication">communication</span>, <span word="when">when</span> <span word="the">the</span> <span word="communicator">communicator</span>, <span word="or">or</span> <span word="sender">sender</span>, <span word="focuses">focuses</span> <span word="the">the</span> <span word="message">message</span> <span word="for">for</span> <span word="a">a</span> <span word="specific">specific</span> <span word="audience">audience</span>. <span word="One">One</span> <span word="example">example</span> <span word="is">is</span> <span word="the">the</span> <span word="way">way</span> <span word="morns">morns</span> <span word="speak">speak</span> <span word="to">to</span> <span word="their">their</span> <span word="babies">babies</span>. <span word="Mothers">Mothers</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span> <span word="use">use</span> <span word="the">the</span> <span word="same">same</span> <span word="sort">sort</span> <span word="of">of</span> <span word="high">high</span>-<span word="pitched">pitched</span> <span word="sing">sing</span>-<span word="song">song</span> <span word="chatter">chatter</span>, <span word="and">and</span> <span word="the">the</span> <span word="babies">babies</span> <span word="respond">respond</span> <span word="best">best</span> <span word="to">to</span> <span word="those">those</span> <span word="sounds">sounds</span>. <span word="Songbirds">Songbirds</span> <span word="are">are</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="only">only</span> <span word="other">other</span> <span word="species">species</span> <span word="known">known</span> <span word="to">to</span> <span word="learn">learn</span> <span word="their">their</span> <span word="communication">communication</span>, <span word="in">in</span> <span word="this">this</span> <span word="case">case</span> <span word="their">their</span> <span word="songs">songs</span>.</p>
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