2015考研英语阅读航空业飞向未来
<p> <span word="Aviation">Aviation</span> <span word="Flight">Flight</span> <span word="to">to</span> <span word="the">the</span> <span word="future">future</span></p><p> 航空业 飞向未来</p><p> <span word="Modernising">Modernising</span> <span word="creaking">creaking</span> <span word="air">air</span>-<span word="traffic">traffic</span> <span word="systems">systems</span> <span word="will">will</span> <span word="be">be</span> <span word="a">a</span> <span word="huge">huge</span> <span word="task">task</span></p><p> 实现老化的航空系统现代化是一个艰巨的任务</p><p> <span word="THESE">THESE</span> <span word="days">days</span> <span word="a">a</span> $15,000 <span word="car">car</span> <span word="comes">comes</span> <span word="with">with</span> <span word="GPS">GPS</span> <span word="satellite">satellite</span> <span word="navigation">navigation</span> <span word="fitted">fitted</span> <span word="as">as</span> <span word="standard">standard</span>.</p><p> 目前，一辆价值一万五千美元的轿车配有<span word="GPS">GPS</span>导航系统，才被认为达到标准。</p><p> <span word="But">But</span> <span word="a">a</span> $150<span word="m">m</span> <span word="airliner">airliner</span> <span word="still">still</span> <span word="has">has</span> <span word="to">to</span> <span word="be">be</span> <span word="guided">guided</span> <span word="through">through</span> <span word="the">the</span> <span word="skies">skies</span> <span word="by">by</span> <span word="spoken">spoken</span> <span word="instructions">instructions</span> <span word="from">from</span> <span word="abloke">abloke</span> <span word="with">with</span> <span word="a">a</span> <span word="radio">radio</span> <span word="in">in</span> <span word="a">a</span> <span word="control">control</span> <span word="tower">tower</span>.</p><p> 但是一辆价值一亿五千万美元的客机在航行时依然是通过指挥塔台上的人员通过广播进行操控。</p><p> <span word="That">That</span> <span word="is">is</span> <span word="because">because</span> <span word="air">air</span>-<span word="traffic">traffic</span> <span word="management">management</span> <span word="systems">systems</span> <span word="are">are</span> <span word="stuck">stuck</span> <span word="in">in</span> <span word="the">the</span> 1950<span word="s">s</span>.</p><p> 这是因为空中交通管理系统还是上个世纪50年代的。</p><p> <span word="Instead">Instead</span> <span word="of">of</span> <span word="flying">flying</span> <span word="straight">straight</span>, <span word="planes">planes</span> <span word="must">must</span> <span word="zigzag">zigzag</span> <span word="from">from</span> <span word="one">one</span> <span word="ground">ground</span> <span word="beacon">beacon</span> <span word="to">to</span> <span word="the">the</span> <span word="next">next</span>, <span word="andascend">andascend</span> <span word="and">and</span> <span word="descend">descend</span> <span word="in">in</span> <span word="steps">steps</span>, <span word="at">at</span> <span word="each">each</span> <span word="stage">stage</span> <span word="obtaining">obtaining</span> <span word="permission">permission</span> <span word="from">from</span> <span word="the">the</span> <span word="ground">ground</span>.</p><p> 客机必须曲折地从一个信号站飞到下一个，而不是直线飞行;每一步上升或下降都需要得到地面的许可。</p><p> <span word="The">The</span> <span word="controllers">controllers</span> <span word="radar">radar</span> <span word="only">only</span> <span word="shows">shows</span> <span word="planes">planes</span> <span word="approximate">approximate</span> <span word="positions">positions</span>, <span word="so">so</span> <span word="they">they</span> <span word="must">must</span> <span word="space">space</span> <span word="themwell">themwell</span> <span word="apart">apart</span>.</p><p> 空管员的雷达只能显示出飞机的大概位置，好让两架飞机之间有足够的距离。</p>
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