坠机测试：头等舱最危险 飞机尾部最安全
<p><span word="Passengers">Passengers</span> <span word="sitting">sitting</span> <span word="in">in</span> <span word="the">the</span> <span word="rear">rear</span> <span word="of">of</span> <span word="a">a</span> <span word="plane">plane</span> <span word="have">have</span> <span word="the">the</span> <span word="best">best</span> <span word="chance">chance</span> <span word="of">of</span> <span word="survival">survival</span> <span word="in">in</span> <span word="the">the</span> <span word="event">event</span> <span word="of">of</span> <span word="a">a</span> <span word="crash">crash</span>, <span word="an">an</span> <span word="extraordinary">extraordinary</span> <span word="and">and</span> <span word="costly">costly</span> <span word="aviation">aviation</span> <span word="experiment">experiment</span> <span word="ever">ever</span> <span word="conducted">conducted</span> <span word="has">has</span> <span word="revealed">revealed</span>.</p><p>Beware first-class travellers! <span word="Passengers">Passengers</span> <span word="sitting">sitting</span> <span word="in">in</span> <span word="the">the</span> <span word="rear">rear</span> <span word="of">of</span> <span word="a">a</span> <span word="plane">plane</span> <span word="have">have</span> <span word="the">the</span> <span word="best">best</span> <span word="chance">chance</span> <span word="of">of</span> <span word="survival">survival</span> <span word="in">in</span> <span word="the">the</span> <span word="event">event</span> <span word="of">of</span> <span word="a">a</span> <span word="crash">crash</span>, <span word="an">an</span> <span word="extraordinary">extraordinary</span> <span word="and">and</span> <span word="costly">costly</span> <span word="aviation">aviation</span> <span word="experiment">experiment</span> <span word="ever">ever</span> <span word="conducted">conducted</span> <span word="has">has</span> <span word="revealed">revealed</span>.</p><p><span word="In">In</span> <span word="a">a</span> <span word="unique">unique</span> <span word="aviation">aviation</span> <span word="experiment">experiment</span> <span word="recently">recently</span>, <span word="the">the</span> 170-<span word="seat">seat</span> <span word="Boeing">Boeing</span> 727 <span word="was">was</span> <span word="made">made</span> <span word="to">to</span> <span word="crash">crash</span> <span word="in">in</span> <span word="a">a</span> <span word="controlled">controlled</span> <span word="manner">manner</span> <span word="in">in</span> <span word="a">a</span> <span word="remote">remote</span> <span word="part">part</span> <span word="of">of</span> <span word="Mexico">Mexico</span>'<span word="s">s</span> <span word="Sonoran">Sonoran</span> <span word="Desert">Desert</span>.</p><p><span word="After">After</span> <span word="pilot">pilot</span> <span word="James">James</span> <span word="Slocum">Slocum</span> <span word="parachuted">parachuted</span> <span word="out">out</span> <span word="of">of</span> <span word="the">the</span> <span word="plane">plane</span> <span word="at">at</span> 2,500<span word="ft">ft</span>, <span word="the">the</span> <span word="jet">jet</span> <span word="was">was</span> <span word="guided">guided</span> <span word="into">into</span> <span word="the">the</span> <span word="ground">ground</span> <span word="by">by</span> <span word="a">a</span> <span word="pilot">pilot</span> <span word="in">in</span> <span word="a">a</span> <span word="following">following</span> <span word="Cessna">Cessna</span> <span word="via">via</span> <span word="a">a</span> <span word="remote">remote</span>-<span word="control">control</span> <span word="device">device</span>, <span word="the">the</span> <span word="reporters">reporters</span> <span word="reported">reported</span>.</p><p><span word="On">On</span> <span word="board">board</span> <span word="the">the</span> <span word="jet">jet</span> <span word="were">were</span> <span word="three">three</span> <span word="sophisticated">sophisticated</span> <span word="crash">crash</span>-<span word="test">test</span> <span word="dummies">dummies</span> <span word="designed">designed</span> <span word="to">to</span> <span word="move">move</span> <span word="like">like</span> <span word="humans">humans</span>.</p><p><span word="They">They</span> <span word="were">were</span> <span word="arranged">arranged</span> <span word="in">in</span> <span word="three">three</span> <span word="positions">positions</span>: <span word="one">one</span> <span word="in">in</span> <span word="the">the</span> <span word="classic">classic</span> <span word="brace">brace</span> <span word="and">and</span> <span word="wearing">wearing</span> <span word="a">a</span> <span word="seat">seat</span>-<span word="belt">belt</span>; <span word="one">one</span> <span word="belted">belted</span> <span word="but">but</span> <span word="not">not</span> <span word="in">in</span> <span word="the">the</span> <span word="brace">brace</span> <span word="position">position</span>; <span word="and">and</span> <span word="one">one</span> <span word="neither">neither</span> <span word="belted">belted</span> <span word="nor">nor</span> <span word="in">in</span> <span word="the">the</span> <span word="brace">brace</span>.</p><p><span word="After">After</span> <span word="the">the</span> <span word="jet">jet</span> <span word="hit">hit</span> <span word="the">the</span> <span word="ground">ground</span> <span word="nose">nose</span>-<span word="first">first</span>, <span word="experts">experts</span> <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="dummy">dummy</span> <span word="in">in</span> <span word="the">the</span> <span word="brace">brace</span> <span word="position">position</span> <span word="would">would</span> <span word="have">have</span> <span word="survived">survived</span> <span word="the">the</span> <span word="impact">impact</span>, <span word="the">the</span> <span word="one">one</span> <span word="not">not</span> <span word="in">in</span> <span word="the">the</span> <span word="brace">brace</span> <span word="would">would</span> <span word="have">have</span> <span word="suffered">suffered</span> <span word="serious">serious</span> <span word="head">head</span> <span word="injuries">injuries</span>, <span word="and">and</span> <span word="the">the</span> <span word="dummy">dummy</span> <span word="not">not</span> <span word="wearing">wearing</span> <span word="a">a</span> <span word="seat">seat</span>-<span word="belt">belt</span> <span word="would">would</span> <span word="have">have</span> <span word="perished">perished</span>.</p><p><span word="Using">Using</span> <span word="this">this</span>, <span word="experts">experts</span> <span word="predicted">predicted</span> <span word="that">that</span> 78 <span word="percent">percent</span> <span word="of">of</span> <span word="passengers">passengers</span> <span word="on">on</span> <span word="board">board</span> <span word="would">would</span> <span word="have">have</span> <span word="survived">survived</span> <span word="the">the</span> <span word="impact">impact</span>, <span word="but">but</span> <span word="that">that</span> <span word="coming">coming</span> <span word="down">down</span> <span word="nose">nose</span>-<span word="first">first</span>, <span word="all">all</span> <span word="the">the</span> <span word="first">first</span>-<span word="class">class</span> <span word="travellers">travellers</span> <span word="would">would</span> <span word="have">have</span> <span word="died">died</span> <span word="because">because</span> <span word="the">the</span> <span word="front">front</span> <span word="of">of</span> <span word="the">the</span> <span word="fuselage">fuselage</span> <span word="sheared">sheared</span> <span word="off">off</span>.</p>
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