六级考试暑期备考的改错练习(9)
<p> <span word="hundred">hundred</span> <span word="or">or</span> <span word="so">so</span> <span word="years">years</span>. <span word="Planet">Planet</span> <span word="Earth">Earth</span> <span word="will">will</span> <span word="be">be</span> <span word="crowded">crowded</span>, <span word="dirty">dirty</span> <span word="and">and</span> <span word="lack">lack</span> <span word="of">of</span> <span word="resources">resources</span>. <span word="A">A</span> <span word="sort">sort</span> <span word="of">of</span> <span word="exodus">exodus</span> --71. <span word="of">of</span> <span word="mankind">mankind</span> <span word="will">will</span> <span word="begin">begin</span>. <span word="Spaceships">Spaceships</span> <span word="will">will</span> <span word="be">be</span> <span word="assembled">assembled</span> <span word="so">so</span> <span word="that">that</span> <span word="they">they</span> <span word="revolve">revolve</span> <span word="around">around</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="Some">Some</span> <span word="may">may</span> <span word="orbit">orbit</span> <span word="around">around</span> <span word="Mars">Mars</span>. <span word="These">These</span> <span word="space">space</span> <span word="stations">stations</span> <span word="will">will</span> <span word="be">be</span> <span word="serviced">serviced</span> <span word="by">by</span> <span word="space">space</span> <span word="buses">buses</span>. <span word="We">We</span> <span word="saw">saw</span> <span word="the">the</span> <span word="first">first</span> <span word="space">space</span> <span word="bus">bus</span> <span word="launch">launch</span> <span word="in">in</span> --72. <span word="April">April</span> 1981. <span word="This">This</span> <span word="was">was</span> <span word="Columbia">Columbia</span>, <span word="it">it</span> <span word="made">made</span> <span word="several">several</span> --73. <span word="orbits">orbits</span> <span word="around">around</span> <span word="the">the</span> <span word="earth">earth</span> <span word="and">and</span> <span word="then">then</span> <span word="returned">returned</span>, <span word="landing">landing</span> <span word="on">on</span> <span word="a">a</span> <span word="huge">huge</span> <span word="dry">dry</span> <span word="lake">lake</span> <span word="bed">bed</span> <span word="in">in</span> <span word="California">California</span>. <span word="Columbia">Columbia</span> <span word="will">will</span> <span word="be">be</span> <span word="used">used</span> <span word="again">again</span>. <span word="previous">previous</span> <span word="spaceships">spaceships</span> <span word="have">have</span> <span word="been">been</span> <span word="abandoned">abandoned</span>, <span word="only">only</span> <span word="the">the</span> <span word="nose">nose</span> <span word="cone">cone</span> <span word="being">being</span> <span word="used">used</span> <span word="to">to</span> <span word="bring">bring</span> <span word="the">the</span> <span word="crews">crews</span> <span word="back">back</span> <span word="to">to</span> <span word="earth">earth</span>. --74. <span word="Upon">Upon</span> <span word="established">established</span>, <span word="each">each</span> <span word="space">space</span> <span word="station">station</span> <span word="will">will</span> --75. <span word="generate">generate</span> <span word="its">its</span> <span word="own">own</span> <span word="atmosphere">atmosphere</span> <span word="and">and</span> <span word="have">have</span> <span word="its">its</span> <span word="own">own</span> <span word="agriculture">agriculture</span>. <span word="it">it</span> <span word="will">will</span> <span word="need">need</span> <span word="to">to</span> <span word="rotation">rotation</span> <span word="to">to</span> <span word="provide">provide</span> --76. <span word="an">an</span> <span word="artificial">artificial</span> <span word="gravity">gravity</span>; <span word="people">people</span> <span word="will">will</span> <span word="be">be</span> <span word="forced">forced</span> <span word="inwards">inwards</span> --77. <span word="from">from</span> <span word="the">the</span> <span word="center">center</span> <span word="by">by</span> <span word="centrifugal">centrifugal</span>（向心的）<span word="force">force</span>. <span word="The">The</span> <span word="moon">moon</span> <span word="and">and</span> <span word="Mars">Mars</span> <span word="could">could</span> <span word="become">become</span> <span word="new">new</span> <span word="sources">sources</span> <span word="of">of</span> <span word="new">new</span> <span word="materials">materials</span>. <span word="Driving">Driving</span> <span word="through">through</span> <span word="space">space</span> <span word="will">will</span> <span word="no">no</span> --78. <span word="longer">longer</span> <span word="need">need</span> <span word="Earth">Earth</span> <span word="fuel">fuel</span>-<span word="the">the</span> <span word="energy">energy</span> <span word="would">would</span> <span word="come">come</span> <span word="from">from</span> <span word="the">the</span> <span word="sun">sun</span>. <span word="This">This</span> <span word="energy">energy</span> <span word="would">would</span> <span word="be">be</span> <span word="converted">converted</span> <span word="from">from</span> --79. <span word="electricity">electricity</span> <span word="to">to</span> <span word="work">work</span> <span word="magnetic">magnetic</span> <span word="rockets">rockets</span>. <span word="That">That</span> <span word="all">all</span> <span word="sounds">sounds</span> <span word="quiet">quiet</span> <span word="fantastically">fantastically</span> <span word="but">but</span>, <span word="with">with</span> --80. <span word="the">the</span> <span word="rapid">rapid</span> <span word="development">development</span> <span word="of">of</span> <span word="modern">modern</span> <span word="technology">technology</span>, <span word="who">who</span> <span word="knows">knows</span> <span word="about">about</span> <span word="what">what</span> <span word="the">the</span> <span word="future">future</span> <span word="holds">holds</span>? 答案：71. <span word="sort">sort</span> -- <span word="short">short</span> 72. <span word="launch">launch</span> -- <span word="launched">launched</span> 73. <span word="it">it</span> -- <span word="which">which</span> 74. <span word="crews">crews</span> -- <span word="crew">crew</span> 75. <span word="Upon">Upon</span> --- <span word="Once">Once</span> 76. <span word="rotation">rotation</span> -- <span word="rotate">rotate</span> 77. <span word="inward">inward</span> -- <span word="outwards">outwards</span> 78. <span word="will">will</span> -- <span word="would">would</span> 79. <span word="from">from</span> -- <span word="into">into</span> 80. <span word="fantastically">fantastically</span> -- <span word="fantastic">fantastic</span></p>
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