职称英语完形填空C级2015年综合类练习(3)
<p> <span word="Solar">Solar</span> <span word="Storm">Storm</span></p><p> <span word="At">At</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="October">October</span> 2003, <span word="a">a</span> <span word="sudden">sudden</span> <span word="solar">solar</span> <span word="storm">storm</span> <span word="hit">hit</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="A">A</span> <span word="solar">solar</span> <span word="storm">storm</span> _1_ <span word="the">the</span> <span word="large">large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="charged">charged</span> <span word="particles">particles</span> <span word="released">released</span> <span word="into">into</span> <span word="space">space</span> <span word="when">when</span> <span word="the">the</span> <span word="solar">solar</span> <span word="energy">energy</span> <span word="increases">increases</span>. <span word="The">The</span> <span word="release">release</span> <span word="of">of</span> <span word="the">the</span> <span word="energy">energy</span> <span word="takes">takes</span> <span word="place">place</span> _2_ <span word="with">with</span> <span word="the">the</span> <span word="activity">activity</span> <span word="of">of</span> <span word="the">the</span> <span word="sunspots">sunspots</span> <span word="with">with</span> <span word="a">a</span> <span word="cycle">cycle</span> <span word="of">of</span> 11 <span word="years">years</span>. <span word="This">This</span> <span word="time">time</span>, <span word="the">the</span> _3_ <span word="of">of</span> <span word="the">the</span> <span word="storm">storm</span> <span word="exceeded">exceeded</span> <span word="expectations">expectations</span>.</p><p> <span word="This">This</span> _4_ <span word="of">of</span> <span word="intense">intense</span> <span word="solar">solar</span> <span word="storms">storms</span> <span word="was">was</span> <span word="caused">caused</span> <span word="by">by</span> <span word="the">the</span> <span word="eruption">eruption</span> <span word="of">of</span> <span word="a">a</span> <span word="solar">solar</span> <span word="flare">flare</span> <span word="and">and</span> <span word="the">the</span> <span word="ejection">ejection</span> <span word="of">of</span> <span word="the">the</span> <span word="solar">solar</span> <span word="corona">corona</span> <span word="on">on</span> <span word="October">October</span> 28, 2004. <span word="Large">Large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="charged">charged</span> <span word="particles">particles</span> <span word="moved">moved</span> 150,000,000 <span word="kilometers">kilometers</span> <span word="through">through</span> <span word="space">space</span> <span word="toward">toward</span> <span word="the">the</span> _5_ <span word="in">in</span> 19 <span word="hours">hours</span>. <span word="They">They</span> <span word="could">could</span> <span word="affect">affect</span> <span word="aircraft">aircraft</span> <span word="roaming">roaming</span> <span word="in">in</span> <span word="space">space</span>. <span word="The">The</span> <span word="high">high</span>-<span word="energy">energy</span> <span word="particles">particles</span> <span word="will">will</span> _6_ <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="parts">parts</span> <span word="of">of</span> <span word="an">an</span> <span word="aircraft">aircraft</span>. <span word="They">They</span> <span word="may">may</span> <span word="also">also</span> <span word="cause">cause</span> <span word="it">it</span> <span word="to">to</span> <span word="fail">fail</span>. <span word="High">High</span>-<span word="energy">energy</span> <span word="particles">particles</span> <span word="can">can</span> <span word="threaten">threaten</span> <span word="the">the</span> <span word="safety">safety</span> <span word="of">of</span> <span word="an">an</span> <span word="aircraft">aircraft</span> <span word="at">at</span> <span word="a">a</span> <span word="high">high</span> <span word="orbit">orbit</span>. <span word="If">If</span> <span word="an">an</span> <span word="aircraft">aircraft</span> <span word="orbits">orbits</span> <span word="at">at</span> <span word="a">a</span> <span word="lower">lower</span> <span word="orbit">orbit</span>, <span word="it">it</span> <span word="is">is</span> <span word="safe">safe</span> <span word="because">because</span> <span word="it">it</span> <span word="is">is</span> <span word="under">under</span> <span word="the">the</span> _7_ <span word="of">of</span> <span word="the">the</span> <span word="earths">earths</span> <span word="magnetic">magnetic</span> <span word="field">field</span>.</p><p> <span word="A">A</span> <span word="solar">solar</span> <span word="storm">storm</span> <span word="not">not</span> <span word="only">only</span> <span word="affects">affects</span> <span word="aircraft">aircraft</span> <span word="but">but</span> <span word="also">also</span> <span word="is">is</span> <span word="a">a</span> _8_ <span word="to">to</span> <span word="the">the</span> <span word="environment">environment</span> <span word="and">and</span> <span word="humans">humans</span>. <span word="The">The</span> <span word="aerosphere">aerosphere</span> <span word="and">and</span> <span word="magnetic">magnetic</span> <span word="field">field</span> <span word="of">of</span> <span word="the">the</span> <span word="earth">earth</span> <span word="can">can</span> <span word="protect">protect</span> <span word="humans">humans</span> <span word="from">from</span> <span word="ultraviolet">ultraviolet</span> <span word="radiation">radiation</span> <span word="and">and</span> <span word="X">X</span>-<span word="rays">rays</span>. _9_ <span word="most">most</span> <span word="of">of</span> <span word="the">the</span> <span word="X">X</span>-<span word="rays">rays</span> <span word="are">are</span> <span word="absorbed">absorbed</span> <span word="after">after</span> <span word="it">it</span> <span word="enters">enters</span> <span word="the">the</span> <span word="aerosphere">aerosphere</span>, <span word="still">still</span> <span word="a">a</span> <span word="few">few</span> <span word="can">can</span> <span word="reach">reach</span> <span word="the">the</span> <span word="ground">ground</span>. <span word="This">This</span> <span word="kind">kind</span> <span word="of">of</span> <span word="radiation">radiation</span>, <span word="if">if</span> <span word="any">any</span>, <span word="only">only</span> <span word="lasts">lasts</span> <span word="for">for</span> <span word="several">several</span> <span word="minutes">minutes</span> <span word="or">or</span> <span word="dozens">dozens</span> <span word="of">of</span> <span word="minutes">minutes</span>, <span word="so">so</span> <span word="its">its</span> <span word="effect">effect</span> <span word="on">on</span> <span word="humans">humans</span> <span word="is">is</span> <span word="very">very</span> _10_.</p><p> <span word="The">The</span> <span word="geomagnetic">geomagnetic</span> <span word="storm">storm</span> <span word="caused">caused</span> <span word="by">by</span> <span word="this">this</span> <span word="round">round</span> <span word="of">of</span> <span word="solar">solar</span> <span word="storm">storm</span> <span word="reaches">reaches</span> <span word="its">its</span> <span word="highest">highest</span> _11_ <span word="on">on</span> <span word="the">the</span> <span word="two">two</span> <span word="poles">poles</span> <span word="of">of</span> <span word="the">the</span> <span word="earth">earth</span>, <span word="which">which</span> <span word="affects">affects</span> <span word="electricity">electricity</span> <span word="supply">supply</span> <span word="of">of</span> <span word="the">the</span> <span word="northern">northern</span> <span word="America">America</span>. <span word="Overexposure">Overexposure</span> <span word="to">to</span> <span word="radiation">radiation</span> <span word="threatens">threatens</span> <span word="the">the</span> <span word="health">health</span> <span word="of">of</span> <span word="passengers">passengers</span> <span word="on">on</span> <span word="planes">planes</span> <span word="flying">flying</span> _12_ <span word="the">the</span> <span word="Polar">Polar</span> <span word="Regions">Regions</span>. <span word="If">If</span> <span word="we">we</span> <span word="fly">fly</span> <span word="in">in</span> <span word="the">the</span> <span word="sky">sky</span> <span word="during">during</span> <span word="such">such</span> <span word="a">a</span> <span word="solar">solar</span> <span word="storm">storm</span>, <span word="it">it</span> <span word="means">means</span> <span word="we">we</span> <span word="receive">receive</span> <span word="ten">ten</span> <span word="times">times</span> <span word="the">the</span> <span word="X">X</span>-<span word="ray">ray</span> <span word="radiation">radiation</span>. <span word="Its">Its</span> _13_ <span word="damaging">damaging</span>.</p>
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