2014年职称英语理工类阅读理解练习(11)
<p> <span word="Where">Where</span> <span word="Have">Have</span> <span word="Allthe">Allthe</span> <span word="Bees">Bees</span> <span word="Gone">Gone</span>?</p><p> <span word="Scientists">Scientists</span> <span word="who">who</span> <span word="study">study</span> <span word="insects">insects</span> <span word="have">have</span> <span word="a">a</span> <span word="real">real</span> <span word="mystery">mystery</span> <span word="on">on</span> <span word="theirhands">theirhands</span>.<span word="All">All</span> <span word="across">across</span> <span word="the">the</span> <span word="country">country</span>，<span word="honeybees">honeybees</span> <span word="are">are</span> <span word="leaving">leaving</span> <span word="their">their</span> <span word="hives">hives</span> <span word="and">and</span> <span word="neverreturning">neverreturning</span>. <span word="Researchers">Researchers</span> <span word="call">call</span> <span word="this">this</span> <span word="phenomenon">phenomenon</span> <span word="colony">colony</span>-<span word="collapse">collapse</span>1 <span word="disorder">disorder</span>.<span word="Accordingto">Accordingto</span> <span word="surveys">surveys</span> <span word="of">of</span> <span word="beekeepers">beekeepers</span> <span word="across">across</span> <span word="the">the</span> <span word="country">country</span>，25 <span word="to">to</span> 40 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="honeybeesin">honeybeesin</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="have">have</span> <span word="vanished">vanished</span> <span word="from">from</span> <span word="their">their</span> <span word="hives">hives</span> <span word="since">since</span> <span word="last">last</span> <span word="fall">fall</span>.<span word="So">So</span> <span word="far">far</span>，<span word="noone">noone</span> <span word="can">can</span> <span word="explain">explain</span> <span word="why">why</span>.</p><p> <span word="Colony">Colony</span> <span word="collapse">collapse</span> <span word="is">is</span> <span word="a">a</span> <span word="serious">serious</span> <span word="concern">concern</span> <span word="because">because</span> <span word="bees">bees</span> <span word="playan">playan</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="the">the</span> <span word="production">production</span> <span word="of">of</span> <span word="about">about</span> <span word="one">one</span>-<span word="third">third</span> <span word="of">of</span> <span word="the">the</span> <span word="foods">foods</span> <span word="we">we</span> <span word="eat">eat</span>.<span word="Asthey">Asthey</span> <span word="feed">feed</span>，<span word="honeybees">honeybees</span> <span word="spread">spread</span> <span word="pollen">pollen</span> <span word="from">from</span> <span word="flower">flower</span> <span word="to">to</span> <span word="flower">flower</span>.<span word="Without">Without</span> <span word="this">this</span> <span word="process">process</span>，<span word="aplant">aplant</span> <span word="cant">cant</span> <span word="produce">produce</span> <span word="seedsor">seedsor</span> <span word="fruits">fruits</span>.</p><p> <span word="Now">Now</span>，<span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="scientists">scientists</span> <span word="andbeekeepers">andbeekeepers</span> <span word="have">have</span> <span word="teamed">teamed</span> <span word="up">up</span> <span word="to">to</span> <span word="try">try</span> <span word="to">to</span> <span word="figure">figure</span> <span word="out">out</span> <span word="whats">whats</span> <span word="causing">causing</span> <span word="the">the</span> <span word="alarmingcollapse">alarmingcollapse</span> <span word="of">of</span> <span word="so">so</span> <span word="many">many</span> <span word="colonies">colonies</span>. <span word="By">By</span> <span word="sharing">sharing</span> <span word="their">their</span> <span word="expertise">expertise</span> <span word="in">in</span> <span word="honeybee">honeybee</span> <span word="behavior">behavior</span>，<span word="health">health</span>，<span word="and">and</span> <span word="nutrition">nutrition</span>，<span word="team">team</span> <span word="members">members</span> <span word="hope">hope</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="whats">whats</span> <span word="contributingto">contributingto</span> <span word="thedecline">thedecline</span> <span word="and">and</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="bee">bee</span> <span word="disappearance">disappearance</span> <span word="in">in</span> <span word="the">the</span> <span word="future">future</span>.</p><p> <span word="Itcould">Itcould</span> <span word="be">be</span> <span word="that">that</span> <span word="disease">disease</span> <span word="is">is</span> <span word="causing">causing</span> <span word="the">the</span> <span word="disappearance">disappearance</span> <span word="of">of</span> <span word="the">the</span> <span word="bees">bees</span>. <span word="To">To</span> <span word="explore">explore</span> <span word="that">that</span> <span word="possibility">possibility</span>，<span word="Jay">Jay</span> <span word="Evans">Evans</span>，<span word="a">a</span> <span word="researcher">researcher</span> <span word="at">at</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="Department">Department</span> <span word="ofAgriculture">ofAgriculture</span> <span word="Bee">Bee</span> <span word="Research">Research</span> <span word="Laboratory">Laboratory</span>2，<span word="examines">examines</span> <span word="bees">bees</span> <span word="taken">taken</span> <span word="from">from</span> <span word="coloniesthat">coloniesthat</span> <span word="are">are</span> <span word="collapsing">collapsing</span>.<span word="We">We</span> <span word="know">know</span> <span word="what">what</span> <span word="a">a</span> <span word="healthy">healthy</span> <span word="bee">bee</span> <span word="should">should</span> <span word="look">look</span> <span word="like">like</span> <span word="on">on</span> <span word="theinside">theinside</span>，<span word="and">and</span> <span word="we">we</span> <span word="can">can</span> <span word="look">look</span> <span word="for">for</span> <span word="physical">physical</span> <span word="signs">signs</span> <span word="of">of</span> <span word="disease">disease</span>, <span word="he">he</span> <span word="says">says</span>. <span word="And">And</span> <span word="bees">bees</span> <span word="fromcollapsing">fromcollapsing</span> <span word="colonies">colonies</span> <span word="dont">dont</span> <span word="look">look</span> <span word="very">very</span> <span word="healthy">healthy</span>. <span word="Their">Their</span> <span word="stomachs">stomachs</span> <span word="are">are</span> <span word="worndown">worndown</span>，<span word="compared">compared</span> <span word="to">to</span> <span word="the">the</span> <span word="stomachs">stomachs</span> <span word="of">of</span> <span word="healthy">healthy</span> <span word="bees">bees</span>, <span word="Evans">Evans</span> <span word="says">says</span>.<span word="It">It</span> <span word="may">may</span> <span word="be">be</span> <span word="that">that</span> <span word="aparasite">aparasite</span> <span word="is">is</span> <span word="damaging">damaging</span> <span word="the">the</span> <span word="bees">bees</span> <span word="digestive">digestive</span> <span word="organs">organs</span>. <span word="Their">Their</span> <span word="immune">immune</span> <span word="systems">systems</span> <span word="may">may</span> <span word="not">not</span> <span word="be">be</span> <span word="working">working</span> <span word="as">as</span> <span word="they">they</span> <span word="should">should</span>.<span word="Moreover">Moreover</span>，<span word="they">they</span> <span word="have">have</span> <span word="high">high</span> <span word="levels">levels</span> <span word="of">of</span> <span word="bacteria">bacteria</span> <span word="inside">inside</span> <span word="theirbodies">theirbodies</span>.</p>
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