2015综合类职称英语B级考试：完形填空精选练习(4)
<p> <span word="The">The</span> <span word="Greatest">Greatest</span> <span word="Mystery">Mystery</span> <span word="of">of</span> <span word="Whales">Whales</span></p><p> <span word="The">The</span> <span word="whale">whale</span> <span word="is">is</span> <span word="a">a</span> <span word="warm">warm</span>-<span word="blooded">blooded</span>，<span word="air">air</span>-<span word="breathing">breathing</span> <span word="animal">animal</span>，<span word="giving">giving</span> <span word="birth">birth</span> <span word="to">to</span> <span word="its">its</span> <span word="young">young</span> <span word="alive">alive</span>，<span word="sucking">sucking</span> <span word="themand">themand</span>，<span word="like">like</span> <span word="all">all</span> <span word="mammals">mammals</span>，<span word="originated">originated</span> <span word="on">on</span> <span word="land">land</span>.<span word="There">There</span> <span word="are">are</span> <span word="many">many</span> <span word="front">front</span> <span word="flippers">flippers</span>，<span word="used">used</span> <span word="for">for</span> <span word="steering">steering</span> <span word="and">and</span> <span word="stability">stability</span>， <span word="are">are</span> <span word="traces">traces</span> <span word="of">of</span> <span word="feet">feet</span>.______<span word="of">of</span> <span word="this">this</span>.<span word="Its">Its</span> <span word="Immense">Immense</span> <span word="strength">strength</span> <span word="is">is</span>______<span word="into">into</span> <span word="the">the</span> <span word="great">great</span> <span word="body">body</span> <span word="of">of</span> <span word="the">the</span> <span word="big">big</span> <span word="whales">whales</span>，<span word="and">and</span> <span word="in">in</span> <span word="fact">fact</span> <span word="most">most</span> <span word="of">of</span> <span word="a">a</span> <span word="whales">whales</span> <span word="body">body</span> <span word="is">is</span> <span word="one">one</span> <span word="gigantic">gigantic</span> <span word="muscle">muscle</span>.<span word="The">The</span> <span word="blue">blue</span> <span word="whales">whales</span> <span word="pulling">pulling</span> <span word="strength">strength</span> <span word="has">has</span> <span word="been">been</span> <span word="estimated">estimated</span> ______400 <span word="horsepower">horsepower</span>.<span word="One">One</span> <span word="specimen">specimen</span> <span word="was">was</span> <span word="reported">reported</span> <span word="to">to</span> <span word="have">have</span> <span word="toweda">toweda</span> <span word="whaling">whaling</span> <span word="vessel">vessel</span> <span word="for">for</span> <span word="seven">seven</span> <span word="hours">hours</span> <span word="at">at</span> <span word="the">the</span>______ <span word="of">of</span> <span word="eight">eight</span> <span word="knot">knot</span> 。 <span word="An">An</span> <span word="angry">angry</span> <span word="whale">whale</span> <span word="will">will</span> ______ <span word="A">A</span> <span word="famous">famous</span> <span word="example">example</span> <span word="of">of</span> <span word="this">this</span> <span word="was">was</span> <span word="the">the</span> <span word="fate">fate</span> <span word="of">of</span> <span word="Whaler">Whaler</span> <span word="Essex">Essex</span>， ______ <span word="was">was</span> <span word="sunk">sunk</span> <span word="off">off</span> <span word="the">the</span> <span word="coast">coast</span> <span word="of">of</span> <span word="South">South</span> <span word="America">America</span> <span word="early">early</span> <span word="in">in</span> <span word="the">the</span> <span word="last">last</span> <span word="century">century</span>.</p><p> <span word="More">More</span> <span word="recently">recently</span>， <span word="steel">steel</span> <span word="ships">ships</span> <span word="have">have</span> ______<span word="their">their</span> <span word="plates">plates</span> <span word="buckledin">buckledin</span> <span word="the">the</span> <span word="same">same</span> <span word="way">way</span>. <span word="Sperm">Sperm</span> <span word="whaleswere">whaleswere</span> <span word="known">known</span> <span word="to">to</span> <span word="seize">seize</span> <span word="the">the</span> <span word="old">old</span>-<span word="time">time</span> <span word="whaleboats">whaleboats</span> <span word="in">in</span> <span word="their">their</span> <span word="jaws">jaws</span> <span word="and">and</span> <span word="crush">crush</span> <span word="Them">Them</span>. <span word="The">The</span> <span word="greatest">greatest</span> ______ <span word="of">of</span> <span word="whales">whales</span> <span word="is">is</span> <span word="their">their</span> <span word="diving">diving</span> <span word="ability">ability</span>.<span word="The">The</span> <span word="sperm">sperm</span> <span word="whale">whale</span> <span word="dives">dives</span> <span word="to">to</span> <span word="the">the</span> <span word="Bottom">Bottom</span> <span word="for">for</span> <span word="his">his</span>______ <span word="food">food</span>，<span word="the">the</span> <span word="octopus">octopus</span>。<span word="In">In</span> <span word="that">that</span> <span word="search">search</span> <span word="he">he</span> <span word="is">is</span> <span word="known">known</span> <span word="to">to</span> <span word="go">go</span> <span word="as">as</span> <span word="far">far</span> <span word="Down">Down</span> <span word="as">as</span> 3，200 <span word="feet">feet</span>， <span word="where">where</span> <span word="the">the</span>.______ <span word="is">is</span> 1，400 <span word="pounds">pounds</span>，<span word="to">to</span> <span word="a">a</span> <span word="square">square</span> <span word="inch">inch</span>.<span word="Doing">Doing</span> <span word="so">so</span> <span word="he">he</span> <span word="Will">Will</span> ______ <span word="underwater">underwater</span> <span word="long">long</span> <span word="as">as</span> <span word="one">one</span> <span word="hour">hour</span>.<span word="Two">Two</span> <span word="special">special</span> <span word="skills">skills</span> <span word="are">are</span> <span word="involved">involved</span> <span word="in">in</span> <span word="this">this</span> <span word="storing">storing</span> <span word="up">up</span> <span word="enough">enough</span>______ <span word="and">and</span> <span word="tolerating">tolerating</span> <span word="the">the</span> <span word="great">great</span> <span word="change">change</span> <span word="in">in</span> <span word="pressure">pressure</span>.<span word="Just">Just</span> <span word="how">how</span> <span word="he">he</span> <span word="does">does</span> <span word="it">it</span> <span word="scientists">scientists</span> <span word="have">have</span> <span word="not">not</span> ______。<span word="It">It</span> <span word="is">is</span> <span word="believed">believed</span> <span word="that">that</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="oxygen">oxygen</span> <span word="is">is</span> <span word="stored">stored</span> <span word="in">in</span> <span word="a">a</span> <span word="special">special</span>______ <span word="of">of</span> <span word="blood">blood</span> <span word="vessels">vessels</span>，<span word="rather">rather</span> <span word="than">than</span> <span word="just">just</span> <span word="held">held</span> <span word="in">in</span> <span word="the">the</span> <span word="lungs">lungs</span>.<span word="And">And</span> <span word="it">it</span> <span word="is">is</span> <span word="believed">believed</span> <span word="that">that</span> <span word="a">a</span> <span word="special">special</span> <span word="kind">kind</span> <span word="of">of</span> <span word="oil">oil</span> <span word="in">in</span> <span word="his">his</span> <span word="head">head</span> <span word="is">is</span> <span word="some">some</span> <span word="sort">sort</span> <span word="of">of</span> <span word="compensating">compensating</span> <span word="mechanism">mechanism</span> <span word="that">that</span> ______ <span word="adjusts">adjusts</span> <span word="the">the</span> <span word="internal">internal</span> <span word="pressure">pressure</span> <span word="of">of</span> <span word="his">his</span> <span word="body">body</span>.<span word="But">But</span> <span word="since">since</span> <span word="you">you</span> <span word="cant">cant</span> <span word="bring">bring</span> <span word="a">a</span> <span word="live">live</span> <span word="whale">whale</span> <span word="into">into</span> <span word="the">the</span> <span word="laboratory">laboratory</span> <span word="for">for</span> <span word="study">study</span>， <span word="no">no</span> <span word="one">one</span> <span word="knows">knows</span> <span word="just">just</span> <span word="how">how</span> <span word="these">these</span> <span word="things">things</span> <span word="work">work</span>.</p>
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