2015年职称英语《理工类》阅读理解练习题(4)
<p> <span word="its">its</span> <span word="a">a</span> <span word="strange">strange</span> <span word="partnership">partnership</span>,<span word="but">but</span> <span word="a">a</span> <span word="very">very</span> <span word="effective">effective</span> <span word="one">one</span>: <span word="satellites">satellites</span> <span word="and">and</span> <span word="space">space</span>-<span word="shuttle">shuttle</span>-<span word="carried">carried</span> <span word="radar">radar</span> <span word="are">are</span> <span word="helping">helping</span> <span word="archeologists">archeologists</span>.<span word="how">how</span>?<span word="byseeingthrough">byseeingthrough</span> <span word="sand">sand</span> <span word="or">or</span> <span word="through">through</span> <span word="treetops">treetops</span> <span word="to">to</span> <span word="locate">locate</span> <span word="important">important</span> <span word="archeological">archeological</span> <span word="sites">sites</span>.</p><p> <span word="the">the</span> <span word="traditional">traditional</span> <span word="tools">tools</span> <span word="of">of</span> <span word="archeologists">archeologists</span> <span word="are">are</span> <span word="shovels">shovels</span> <span word="and">and</span> <span word="picks">picks</span>.<span word="but">but</span> <span word="high">high</span> <span word="technology">technology</span> <span word="is">is</span> <span word="making">making</span> <span word="the">the</span> <span word="archeologists">archeologists</span> <span word="work">work</span> <span word="and">and</span> <span word="time">time</span> <span word="far">far</span> <span word="more">more</span> <span word="productive">productive</span>.</p><p> <span word="take">take</span>,<span word="for">for</span> <span word="example">example</span>,<span word="the">the</span> <span word="second">second</span> 1981 <span word="flight">flight</span> <span word="of">of</span> <span word="the">the</span> <span word="space">space</span> <span word="shuttle">shuttle</span> <span word="challenger">challenger</span>.<span word="during">during</span> <span word="that">that</span> <span word="mission">mission</span>,<span word="a">a</span> <span word="powerful">powerful</span>,<span word="experimental">experimental</span> <span word="radar">radar</span> <span word="was">was</span> <span word="pointed">pointed</span> <span word="at">at</span> <span word="a">a</span> <span word="lifeless">lifeless</span> <span word="stretch">stretch</span> <span word="of">of</span> <span word="desert">desert</span> <span word="in">in</span> <span word="egypt">egypt</span> <span word="called">called</span> <span word="the">the</span> <span word="selima">selima</span> <span word="sand">sand</span> <span word="sheet">sheet</span>.<span word="to">to</span> <span word="everyones">everyones</span> <span word="surprise">surprise</span>,<span word="the">the</span> <span word="radar">radar</span> <span word="penetrated">penetrated</span> <span word="through">through</span> <span word="the">the</span> <span word="sand">sand</span> <span word="to">to</span> <span word="the">the</span> <span word="harder">harder</span> <span word="rock">rock</span> <span word="beneath">beneath</span>.<span word="on">on</span> <span word="the">the</span> <span word="surface">surface</span>,<span word="there">there</span> <span word="is">is</span> <span word="a">a</span> <span word="little">little</span> <span word="indication">indication</span> <span word="that">that</span> <span word="africas">africas</span> <span word="sahara">sahara</span> <span word="desert">desert</span> <span word="was">was</span> <span word="never">never</span> <span word="anything">anything</span> <span word="but">but</span> <span word="a">a</span> <span word="desert">desert</span>.<span word="when">when</span> <span word="the">the</span> <span word="archeologists">archeologists</span> <span word="studied">studied</span> <span word="the">the</span> <span word="radar">radar</span> <span word="images">images</span>,<span word="they">they</span> <span word="saw">saw</span> <span word="what">what</span> <span word="seemed">seemed</span> <span word="to">to</span> <span word="be">be</span> <span word="impossible">impossible</span>: <span word="there">there</span> <span word="was">was</span> <span word="sand">sand</span>-<span word="buried">buried</span> <span word="landscape">landscape</span> <span word="that">that</span> <span word="was">was</span> <span word="shaped">shaped</span> <span word="by">by</span> <span word="flowing">flowing</span> <span word="water">water</span>; <span word="traces">traces</span> <span word="of">of</span> <span word="ancient">ancient</span> <span word="riverbeds">riverbeds</span> <span word="appeared">appeared</span> <span word="to">to</span> <span word="be">be</span> <span word="over">over</span> <span word="nine">nine</span> <span word="miles">miles</span> <span word="wide">wide</span>,<span word="far">far</span> <span word="wider">wider</span> <span word="than">than</span> <span word="most">most</span> <span word="sections">sections</span> <span word="of">of</span> <span word="the">the</span> <span word="present">present</span>-<span word="day">day</span> <span word="nile">nile</span> <span word="river">river</span>.<span word="today">today</span>,<span word="the">the</span> <span word="area">area</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="hottest">hottest</span>,<span word="driest">driest</span> <span word="desert">desert</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>.</p><p> <span word="archeologists">archeologists</span> <span word="dug">dug</span> <span word="pits">pits</span> <span word="along">along</span> <span word="the">the</span> <span word="old">old</span> <span word="river">river</span> <span word="banks">banks</span> <span word="and">and</span> <span word="found">found</span> <span word="clues">clues</span> <span word="to">to</span> <span word="the">the</span> <span word="past">past</span>: <span word="stream">stream</span>-<span word="rounded">rounded</span> <span word="pebbles">pebbles</span>,<span word="stone">stone</span>-<span word="age">age</span> <span word="axes">axes</span>,<span word="broken">broken</span> <span word="ostrich">ostrich</span> <span word="eggshells">eggshells</span>,<span word="and">and</span> <span word="the">the</span> <span word="shells">shells</span> <span word="of">of</span> <span word="land">land</span> <span word="snails">snails</span>.<span word="the">the</span> <span word="archeologists">archeologists</span> <span word="were">were</span> <span word="quite">quite</span> <span word="pleased">pleased</span> <span word="with">with</span> <span word="these">these</span> <span word="findings">findings</span>.<span word="for">for</span> <span word="years">years</span>,<span word="theyd">theyd</span> <span word="been">been</span> <span word="finding">finding</span> <span word="stone">stone</span> <span word="axes">axes</span> <span word="scattered">scattered</span> <span word="through">through</span> <span word="the">the</span> <span word="desert">desert</span>,<span word="and">and</span> <span word="couldnt">couldnt</span> <span word="understand">understand</span> <span word="why">why</span>.<span word="now">now</span> <span word="we">we</span> <span word="know">know</span> <span word="that">that</span> <span word="early">early</span> <span word="humans">humans</span> <span word="were">were</span> <span word="living">living</span> <span word="on">on</span> <span word="the">the</span> <span word="banks">banks</span> <span word="of">of</span> <span word="old">old</span> <span word="rivers">rivers</span>,<span word="and">and</span> <span word="left">left</span> <span word="their">their</span> <span word="beautiful">beautiful</span> <span word="tools">tools</span> <span word="behind">behind</span>.<span word="some">some</span> <span word="are">are</span> <span word="so">so</span> <span word="sharp">sharp</span> <span word="that">that</span> <span word="you">you</span> <span word="could">could</span> <span word="shave">shave</span> <span word="with">with</span> <span word="them">them</span>.</p>
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