2015年理工类职称英语自测练习完形填空(4)
<p> <span word="What">What</span> <span word="Is">Is</span> <span word="the">the</span> <span word="Coolest">Coolest</span> <span word="Gas">Gas</span> <span word="in">in</span> <span word="the">the</span> <span word="Universe">Universe</span>?</p><p> <span word="What">What</span> <span word="is">is</span> <span word="the">the</span> <span word="coldest">coldest</span> <span word="air">air</span> <span word="temperature">temperature</span> <span word="ever">ever</span> <span word="recorded">recorded</span> <span word="on">on</span> <span word="the">the</span> <span word="Earth">Earth</span>? <span word="Where">Where</span> <span word="was">was</span> <span word="this">this</span> <span word="low">low</span> <span word="temperature">temperature</span> <span word="recorded">recorded</span>? <span word="The">The</span> <span word="coldest">coldest</span> <span word="recorded">recorded</span> <span word="temperature">temperature</span> <span word="on">on</span> <span word="Earth">Earth</span> <span word="was">was</span> -91℃，<span word="which">which</span> <span word="in">in</span> <span word="Antarctica">Antarctica</span> <span word="in">in</span>1983.</p><p> <span word="We">We</span> <span word="encounter">encounter</span> <span word="an">an</span> <span word="interesting">interesting</span> <span word="situation">situation</span> <span word="when">when</span> <span word="we">we</span> <span word="discuss">discuss</span> <span word="temperatures">temperatures</span> <span word="in">in</span> .<span word="Temperatures">Temperatures</span> <span word="in">in</span> <span word="Earth">Earth</span> <span word="orbit">orbit</span> <span word="actually">actually</span> <span word="range">range</span> <span word="from">from</span> <span word="about">about</span> +120℃ <span word="to">to</span> -120℃.<span word="The">The</span> <span word="temperature">temperature</span> <span word="depends">depends</span> <span word="upon">upon</span> <span word="you">you</span> <span word="are">are</span> <span word="in">in</span> <span word="direct">direct</span> <span word="sunlight">sunlight</span> <span word="or">or</span> <span word="shade">shade</span>.<span word="Obviously">Obviously</span>，-120℃ <span word="is">is</span> <span word="colder">colder</span> <span word="than">than</span> <span word="our">our</span> <span word="body">body</span> <span word="can">can</span> <span word="safely">safely</span> <span word="endure">endure</span>.<span word="Thank">Thank</span> <span word="NASA">NASA</span> <span word="science">science</span> <span word="for">for</span> <span word="well">well</span>-<span word="designed">designed</span> <span word="space">space</span> <span word="that">that</span> <span word="protect">protect</span> <span word="astronauts">astronauts</span> <span word="from">from</span> <span word="these">these</span> <span word="temperature">temperature</span> <span word="extremes">extremes</span>.</p><p> <span word="The">The</span> <span word="space">space</span> <span word="temperatures">temperatures</span> <span word="just">just</span> <span word="discussed">discussed</span> <span word="affect">affect</span> <span word="only">only</span> <span word="our">our</span> <span word="area">area</span> <span word="of">of</span> <span word="the">the</span> <span word="solar">solar</span> .<span word="Obviously">Obviously</span>, <span word="it">it</span> <span word="is">is</span> <span word="hotter">hotter</span> <span word="closer">closer</span> <span word="to">to</span> <span word="the">the</span> <span word="Sun">Sun</span> <span word="and">and</span> <span word="colder">colder</span> <span word="as">as</span> <span word="we">we</span> <span word="travel">travel</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="Sun">Sun</span>.<span word="Astronomers">Astronomers</span> <span word="estimate">estimate</span> <span word="temperatures">temperatures</span> <span word="at">at</span> <span word="Pluto">Pluto</span> <span word="are">are</span> <span word="about">about</span> -210℃.<span word="How">How</span> <span word="cold">cold</span> <span word="is">is</span> <span word="the">the</span> <span word="lowest">lowest</span> <span word="estimated">estimated</span> <span word="temperature">temperature</span> <span word="in">in</span> <span word="the">the</span> <span word="entire">entire</span> <span word="universe">universe</span>? <span word="Again">Again</span>，<span word="it">it</span> <span word="depends">depends</span> <span word="upon">upon</span> <span word="your">your</span> .<span word="We">We</span> <span word="are">are</span> <span word="taught">taught</span> <span word="it">it</span> <span word="is">is</span> <span word="supposedly">supposedly</span> <span word="to">to</span> <span word="have">have</span> <span word="a">a</span> <span word="temperature">temperature</span> <span word="below">below</span> <span word="absolute">absolute</span> <span word="zero">zero</span>，<span word="which">which</span> <span word="is">is</span> -273℃, <span word="at">at</span> <span word="which">which</span> <span word="atoms">atoms</span> <span word="do">do</span> <span word="not">not</span> <span word="move">move</span>.<span word="Two">Two</span> <span word="scientists">scientists</span>，<span word="whose">whose</span> <span word="names">names</span> <span word="are">are</span> <span word="Comell">Comell</span> <span word="and">and</span> <span word="Wieman">Wieman</span>，<span word="have">have</span> <span word="successfully">successfully</span> <span word="cooled">cooled</span> <span word="down">down</span> <span word="a">a</span> <span word="gas">gas</span> <span word="to">to</span> <span word="a">a</span> <span word="temperature">temperature</span> <span word="barely">barely</span> <span word="absolute">absolute</span> <span word="zero">zero</span>.<span word="They">They</span> <span word="won">won</span> <span word="a">a</span> <span word="Nobel">Nobel</span> <span word="Prize">Prize</span> <span word="in">in</span> <span word="Physics">Physics</span> <span word="in">in</span> 2001 <span word="for">for</span> <span word="their">their</span> <span word="work">work</span><span word="not">not</span> <span word="a">a</span> <span word="discovery">discovery</span>，<span word="in">in</span> <span word="this">this</span> <span word="case">case</span>.</p><p> <span word="Why">Why</span> <span word="is">is</span> <span word="the">the</span> <span word="two">two</span> <span word="scientists">scientists</span> <span word="work">work</span> <span word="so">so</span> <span word="important">important</span> <span word="to">to</span> <span word="science">science</span>?</p><p> <span word="In">In</span> <span word="the">the</span> 1920<span word="s">s</span>，<span word="Satyendra">Satyendra</span> <span word="Nath">Nath</span> <span word="Bose">Bose</span> <span word="was">was</span> <span word="studying">studying</span> <span word="an">an</span> <span word="interesting">interesting</span> <span word="about">about</span> <span word="special">special</span> <span word="light">light</span> <span word="particles">particles</span> <span word="we">we</span> <span word="now">now</span> <span word="call">call</span> <span word="photons">photons</span>.<span word="Bose">Bose</span> <span word="had">had</span> <span word="trouble">trouble</span> <span word="other">other</span> <span word="scientists">scientists</span> <span word="to">to</span> <span word="believe">believe</span> <span word="his">his</span> <span word="theory">theory</span>， <span word="he">he</span> <span word="contacted">contacted</span> <span word="Albert">Albert</span> <span word="Einstein">Einstein</span>.<span word="Einsteins">Einsteins</span> <span word="calculations">calculations</span> <span word="helped">helped</span> <span word="him">him</span> <span word="theorize">theorize</span> <span word="that">that</span> <span word="atoms">atoms</span> <span word="behave">behave</span> <span word="as">as</span> <span word="Bose">Bose</span> <span word="thought">thought</span><span word="but">but</span> <span word="only">only</span> <span word="at">at</span> <span word="very">very</span> <span word="cold">cold</span> <span word="temperatures">temperatures</span>.</p>
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