Air Pollution
<p><span word="In">In</span> <span word="the">the</span> <span word="past">past</span> <span word="few">few</span> <span word="decades">decades</span>, <span word="our">our</span> <span word="Earth">Earth</span> <span word="has">has</span> <span word="changed">changed</span> <span word="a">a</span> <span word="lot">lot</span>, <span word="but">but</span> <span word="to">to</span> <span word="the">the</span> <span word="bad">bad</span> <span word="direction">direction</span>. <span word="Among">Among</span> <span word="these">these</span> <span word="changes">changes</span>, <span word="the">the</span> <span word="air">air</span> <span word="pollutions">pollutions</span> <span word="resulting">resulting</span> <span word="from">from</span> <span word="a">a</span> <span word="huge">huge</span> <span word="number">number</span> <span word="of">of</span> <span word="automobiles">automobiles</span> <span word="and">and</span> <span word="coal">coal</span>-<span word="burning">burning</span> <span word="is">is</span> <span word="almost">almost</span> <span word="the">the</span> <span word="severest">severest</span>. <span word="The">The</span> <span word="severe">severe</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="alarms">alarms</span> <span word="humans">humans</span> <span word="of">of</span> <span word="the">the</span> <span word="heavy">heavy</span> <span word="load">load</span> <span word="we">we</span> <span word="have">have</span> <span word="exerted">exerted</span> <span word="on">on</span> <span word="Earth">Earth</span> <span word="by">by</span> <span word="our">our</span> <span word="insatiable">insatiable</span> <span word="production">production</span> <span word="and">and</span> <span word="usage">usage</span> <span word="of">of</span> <span word="automobiles">automobiles</span>. <span word="However">However</span>, <span word="with">with</span> <span word="the">the</span> <span word="deepening">deepening</span> <span word="of">of</span> <span word="urbanization">urbanization</span>, <span word="more">more</span> <span word="cars">cars</span> <span word="are">are</span> <span word="needed">needed</span>, <span word="which">which</span> <span word="will">will</span> <span word="make">make</span> <span word="the">the</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="worse">worse</span>. <span word="Therefore">Therefore</span>, <span word="the">the</span> <span word="following">following</span> <span word="actions">actions</span> <span word="should">should</span> <span word="be">be</span> <span word="taken">taken</span>. <span word="First">First</span>, <span word="we">we</span> <span word="should">should</span> <span word="apply">apply</span> <span word="the">the</span> <span word="most">most</span> <span word="cutting">cutting</span>-<span word="edge">edge</span> <span word="technologies">technologies</span> <span word="in">in</span> <span word="order">order</span> <span word="to">to</span> <span word="adopt">adopt</span> <span word="new">new</span> <span word="forms">forms</span> <span word="of">of</span> <span word="energy">energy</span> <span word="as">as</span> <span word="substitutes">substitutes</span> <span word="for">for</span> <span word="fossil">fossil</span> <span word="fuels">fuels</span>.<span word="Second">Second</span>, <span word="try">try</span> <span word="hard">hard</span> <span word="to">to</span> <span word="develop">develop</span> <span word="possible">possible</span> <span word="transportation">transportation</span> <span word="means">means</span>, <span word="which">which</span> <span word="are">are</span> <span word="enviromental">enviromental</span> <span word="friendly">friendly</span>. <span word="So">So</span> <span word="that">that</span> <span word="the">the</span> <span word="citizens">citizens</span> <span word="can">can</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="dependence">dependence</span> <span word="on">on</span> <span word="cars">cars</span>. <span word="In">In</span> <span word="short">short</span>, <span word="our">our</span> <span word="humans">humans</span> <span word="should">should</span> <span word="take">take</span> <span word="responsibilities">responsibilities</span> <span word="for">for</span> <span word="the">the</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="and">and</span> <span word="have">have</span> <span word="to">to</span> <span word="find">find</span> <span word="ways">ways</span> <span word="to">to</span> <span word="solve">solve</span> <span word="this">this</span> <span word="problem">problem</span>.</p><p>在过去的几十年中，我们的地球发生了很大变化，但是是往坏的方向。在这些变化中，大量汽车和煤燃烧产生的空气污染是最为严重的。严重的空气污染警告人类，我们无休止的的生产和使用汽车给我们的地球带来了沉重的负荷。然而，随着城市化的加深，汽车的需求量也越大，这会导致空气污染更严重。因此，我们应该采取以下行动。首先，我们应该运用最尖端的技术，以新型能源作为化石燃料的替代品。其次，努力寻找可能的环境友好型交通方式。这样城市居民就可以减少对汽车的依赖。简而言之，人类应该承担空气污染的责任，寻找解决这一问题的方法。</p>
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