基础英语轻松学【32】霓虹灯，城市环境的隐形杀手
<p> 本课您将学到：<span word="too">too</span> <span word="much">much</span>, <span word="step">step</span>不只是脚步，<span word="un">un</span>前缀和<span word="be">be</span> （<span word="un">un</span>）<span word="aware">aware</span> <span word="of">of</span> <span word="sth">sth</span>.句型</p><p> 提到污染这个话题，你会想到什么？空气污染？（<span word="air">air</span> <span word="pollution">pollution</span>）水污染？（<span word="water">water</span> <span word="pollution">pollution</span>）还是噪音污染？（<span word="noise">noise</span> <span word="pollution">pollution</span>）今天我们要来关注的不是这些，而是光污染。（<span word="light">light</span> <span word="pollution">pollution</span>）</p><p> <span word="As">As</span> <span word="cities">cities</span> <span word="grow">grow</span> <span word="larger">larger</span> <span word="and">and</span> <span word="use">use</span> <span word="more">more</span> <span word="outdoor">outdoor</span>（户外的） <span word="lighting">lighting</span>, <span word="light">light</span> <span word="pollution">pollution</span>（污染） <span word="becomes">becomes</span> <span word="worse">worse</span>（更恶化的）. <span word="Using">Using</span> <span word="too">too</span> <span word="much">much</span> <span word="light">light</span> <span word="wastes">wastes</span> <span word="energy">energy</span> <span word="and">and</span> <span word="natural">natural</span> <span word="resources">resources</span>（资源）. <span word="It">It</span> <span word="also">also</span> <span word="makes">makes</span> <span word="it">it</span> <span word="more">more</span> <span word="difficult">difficult</span> <span word="for">for</span> <span word="astronomers">astronomers</span>（天文学家） <span word="to">to</span> <span word="study">study</span> <span word="objects">objects</span> <span word="in">in</span> <span word="space">space</span> <span word="that">that</span> <span word="are">are</span> <span word="hard">hard</span> <span word="to">to</span> <span word="see">see</span>.</p><p> 如果说这些还都是小问题的话，更大的问题就在于人们对光污染的态度：</p><p> <span word="The">The</span> <span word="biggest">biggest</span> <span word="problem">problem</span> <span word="in">in</span> <span word="controlling">controlling</span> <span word="light">light</span> <span word="pollution">pollution</span> <span word="is">is</span> <span word="that">that</span> <span word="most">most</span> <span word="people">people</span> <span word="are">are</span> <span word="unaware">unaware</span>（没察觉到的） <span word="of">of</span> <span word="its">its</span> <span word="effects">effects</span>. <span word="To">To</span> <span word="decrease">decrease</span>（减少） <span word="these">these</span> <span word="effects">effects</span> <span word="we">we</span> <span word="can">can</span> <span word="use">use</span> <span word="lights">lights</span> <span word="only">only</span> <span word="when">when</span> <span word="needed">needed</span>, <span word="direct">direct</span>（将指向） <span word="lights">lights</span> <span word="down">down</span>, <span word="and">and</span> <span word="put">put</span> <span word="controls">controls</span> <span word="on">on</span> <span word="outdoor">outdoor</span> <span word="lighting">lighting</span>. <span word="Such">Such</span> <span word="steps">steps</span> <span word="are">are</span> <span word="necessary">necessary</span> <span word="if">if</span> <span word="we">we</span> <span word="want">want</span> <span word="to">to</span> <span word="save">save</span> <span word="our">our</span> <span word="view">view</span> <span word="of">of</span> <span word="the">the</span> <span word="universe">universe</span>（宇宙）, <span word="and">and</span> <span word="the">the</span> <span word="future">future</span> <span word="of">of</span> <span word="astronomy">astronomy</span>（天文学）.</p><p> 看来，一味的攀比国外的不夜天并不是明智的选择。凡事都要有个限度，何不让<span word="starry">starry</span>-<span word="night">night</span>平静的闪烁呢。</p><p> 「读书笔记」</p><p> 随着城市范围的扩大，户外照明越来越多，光污染也越来越严重。（<span word="As">As</span> <span word="cities">cities</span> <span word="grow">grow</span> <span word="larger">larger</span> <span word="and">and</span> <span word="use">use</span> <span word="more">more</span> <span word="outdoor">outdoor</span> <span word="lighting">lighting</span>, <span word="light">light</span> <span word="pollution">pollution</span> <span word="becomes">becomes</span> <span word="worse">worse</span>.）注意这句话里<span word="cities">cities</span>是主语，位于动词有两个<span word="grow">grow</span>和<span word="use">use</span>，用<span word="and">and</span>连接。</p>
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