职称英语理工类考试考前每日一练(6)
<p> 职称英语理工类考试考前每日一练</p><p> <span word="Explorer">Explorer</span> <span word="of">of</span> <span word="the">the</span> <span word="Extreme">Extreme</span> <span word="Deep">Deep</span></p><p> <span word="Oceans">Oceans</span> <span word="cover">cover</span> <span word="more">more</span> <span word="than">than</span> <span word="twothirds">twothirds</span> <span word="of">of</span> <span word="our">our</span>.<span word="planet">planet</span>.<span word="Yet">Yet</span>，<span word="just">just</span>，<span word="a">a</span> <span word="small">small</span> <span word="fraction">fraction</span> <span word="of">of</span> <span word="the">the</span> <span word="underwater">underwater</span> <span word="world">world</span> <span word="has">has</span> <span word="been">been</span> <span word="explored">explored</span>.<span word="Now">Now</span>，<span word="Scientists">Scientists</span> <span word="at">at</span>.<span word="the">the</span> <span word="Woods">Woods</span> <span word="Holel">Holel</span> <span word="Oceanographic">Oceanographic</span> <span word="institutionin">institutionin</span> <span word="Massachusetts">Massachusetts</span> <span word="are">are</span> <span word="building">building</span> <span word="an">an</span> <span word="underwater">underwater</span> <span word="vehicle">vehicle</span> <span word="that">that</span> <span word="will">will</span>,<span word="carry">carry</span> <span word="explorers">explorers</span> <span word="as">as</span> <span word="deep">deep</span> <span word="as">as</span> 6，500 <span word="meters">meters</span>.<span word="The">The</span> <span word="new">new</span> <span word="machine">machine</span>，<span word="known">known</span> <span word="as">as</span> <span word="a">a</span> <span word="manned">manned</span> <span word="submersible">submersible</span> <span word="or">or</span> <span word="humanoperated">humanoperated</span> <span word="vehicle">vehicle</span>，<span word="willrep">willrep</span>]<span word="ace">ace</span> <span word="another">another</span> <span word="one">one</span> <span word="named">named</span> <span word="Alvin">Alvin</span>2 <span word="which">which</span> <span word="has">has</span> <span word="an">an</span> <span word="amazing">amazing</span> <span word="record">record</span> <span word="of">of</span> <span word="discovm">discovm</span>7，<span word="playing">playing</span> <span word="a">a</span> <span word="key">key</span>.<span word="role">role</span> <span word="in">in</span> <span word="various">various</span> <span word="important">important</span> <span word="and">and</span> <span word="famous">famous</span> <span word="undersea">undersea</span> <span word="expeditions">expeditions</span>.<span word="Alvin">Alvin</span> <span word="has">has</span> <span word="been">been</span> <span word="operating">operating</span> <span word="for">for</span> 40 <span word="years">years</span> <span word="but">but</span> <span word="can">can</span> <span word="go">go</span> <span word="down">down</span> <span word="only">only</span> 4，500 <span word="meters">meters</span>.<span word="Its">Its</span> <span word="about">about</span> <span word="time">time</span> <span word="for">for</span> <span word="an">an</span> <span word="w">w</span>/<span word="grade">grade</span>，<span word="WHOI">WHOI</span> <span word="researchers">researchers</span> <span word="say">say</span>.</p><p> <span word="Alvin">Alvin</span> <span word="WaS">WaS</span> <span word="launched">launched</span> <span word="in">in</span>：1964.<span word="Since">Since</span> <span word="then">then</span>，<span word="Alvin">Alvin</span> <span word="has">has</span> <span word="worked">worked</span> <span word="between">between</span> 200 <span word="and">and</span> 250 <span word="days">days</span> <span word="a">a</span> <span word="year">year</span>，<span word="says">says</span> <span word="Daniel">Daniel</span> <span word="Fornarl">Fornarl</span>.<span word="a">a</span> <span word="marine">marine</span> <span word="geologist">geologist</span> <span word="al">al</span>3<span word="d">d</span> <span word="director">director</span> <span word="of">of</span> <span word="the">the</span> <span word="Deep">Deep</span> <span word="Ocean">Ocean</span> <span word="Exploration">Exploration</span> <span word="Institute">Institute</span> <span word="at">at</span> <span word="WHODuring">WHODuring</span> <span word="its">its</span> <span word="lifetime">lifetime</span>，<span word="Alvin">Alvin</span> <span word="has">has</span></p><p> <span word="cmried">cmried</span> <span word="some">some</span> <span word="l">l</span>2，000 <span word="people">people</span> <span word="on">on</span> <span word="a">a</span> <span word="total">total</span> <span word="of">of</span> <span word="more">more</span> <span word="than">than</span> 3，000 <span word="dives">dives</span>。</p><p> <span word="A">A</span> <span word="newer">newer</span>，<span word="better">better</span>;<span word="versions">versions</span> <span word="of">of</span> <span word="Alvin">Alvin</span> <span word="is">is</span> <span word="bound">bound</span> <span word="to">to</span> <span word="reveal">reveal</span> <span word="even">even</span> <span word="more">more</span> <span word="surprises">surprises</span> <span word="aboul">aboul</span>，<span word="a">a</span> <span word="world">world</span> <span word="that">that</span> <span word="is">is</span> <span word="still">still</span> <span word="full">full</span> <span word="of">of</span> <span word="mysteries">mysteries</span>，<span word="Fornari">Fornari</span> <span word="says">says</span>.<span word="It">It</span> <span word="might">might</span> <span word="also">also</span> <span word="make">make</span> <span word="the">the</span> <span word="job">job</span> <span word="of">of</span> <span word="exploration">exploration</span> <span word="a">a</span> <span word="little">little</span> <span word="easier">easier</span>，<span word="We">We</span> <span word="take">take</span> <span word="so">so</span> <span word="much">much</span> <span word="for">for</span> <span word="granted">granted</span> <span word="on">on</span> <span word="land">land</span>，<span word="Fornari">Fornari</span> <span word="says">says</span>.<span word="We">We</span> <span word="can">can</span> <span word="walk">walk</span> <span word="around">around</span> <span word="and">and</span> <span word="see">see</span> <span word="with">with</span> <span word="our">our</span> <span word="eyes">eyes</span> <span word="how">how</span> <span word="big">big</span> <span word="things">things</span> <span word="are">are</span>.<span word="We">We</span> <span word="can">can</span> <span word="see">see</span> <span word="Colors">Colors</span>，<span word="special">special</span> <span word="arrangements">arrangements</span>.</p>
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