【专四听力满分突破】电子废物：数字时代的黑暗面
<p> 选材规范、标准演练;循序渐进、梯度提升;题量丰富、有效提高;技巧同步、一语中的;缩略速记，全面覆盖。 注意直接听写正文</p><p> <span word="What">What</span> <span word="happens">happens</span> <span word="to">to</span> <span word="those">those</span> <span word="old">old</span> <span word="computers">computers</span> <span word="once">once</span> <span word="theyve">theyve</span> <span word="been">been</span> <span word="abandoned">abandoned</span> <span word="for">for</span> <span word="newer">newer</span> <span word="models">models</span>? <span word="The">The</span> <span word="refuse">refuse</span> <span word="from">from</span> <span word="discarded">discarded</span> <span word="electronics">electronics</span>, <span word="also">also</span> <span word="known">known</span> <span word="as">as</span> <span word="e">e</span>-<span word="waste">waste</span>, <span word="often">often</span> <span word="ends">ends</span> <span word="up">up</span> <span word="in">in</span> <span word="landfills">landfills</span> <span word="instead">instead</span> <span word="of">of</span> <span word="being">being</span> <span word="recycled">recycled</span>. <span word="And">And</span> <span word="that">that</span> <span word="means">means</span> <span word="toxic">toxic</span> <span word="substances">substances</span> <span word="like">like</span> <span word="lead">lead</span> <span word="and">and</span> <span word="mercury">mercury</span> <span word="that">that</span> <span word="are">are</span> <span word="commonly">commonly</span> <span word="used">used</span> <span word="in">in</span> <span word="these">these</span> <span word="products">products</span> <span word="can">can</span> <span word="contaminate">contaminate</span> <span word="the">the</span> <span word="land">land</span>, <span word="water">water</span> <span word="and">and</span> <span word="air">air</span>. <span word="The">The</span> <span word="United">United</span> <span word="States">States</span> <span word="generates">generates</span> <span word="more">more</span> <span word="e">e</span>-<span word="waste">waste</span> <span word="than">than</span> <span word="any">any</span> <span word="other">other</span> <span word="nation">nation</span>. <span word="Some">Some</span> <span word="of">of</span> <span word="that">that</span> <span word="waste">waste</span> <span word="is">is</span> <span word="recycled">recycled</span>. <span word="For">For</span> <span word="example">example</span>, <span word="steel">steel</span>, <span word="aluminum">aluminum</span> <span word="and">and</span> <span word="copper">copper</span> <span word="are">are</span> <span word="often">often</span> <span word="stripped">stripped</span> <span word="from">from</span> <span word="outdated">outdated</span> <span word="machines">machines</span> <span word="and">and</span> <span word="reused">reused</span> <span word="in">in</span> <span word="newer">newer</span> <span word="models">models</span>. <span word="But">But</span> <span word="even">even</span> <span word="recycled">recycled</span> <span word="parts">parts</span> <span word="come">come</span> <span word="at">at</span> <span word="a">a</span> <span word="price">price</span>. <span word="An">An</span> <span word="estimated">estimated</span> 50 <span word="to">to</span> 80 <span word="percent">percent</span> <span word="of">of</span> <span word="e">e</span>-<span word="waste">waste</span> <span word="collected">collected</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="for">for</span> <span word="recycling">recycling</span> <span word="is">is</span> <span word="exported">exported</span> <span word="to">to</span> <span word="areas">areas</span> <span word="such">such</span> <span word="as">as</span> <span word="China">China</span> <span word="or">or</span> <span word="India">India</span> <span word="or">or</span> <span word="Pakistan">Pakistan</span>, <span word="where">where</span> <span word="workers">workers</span> <span word="taking">taking</span> <span word="apart">apart</span> <span word="the">the</span> <span word="old">old</span> <span word="machines">machines</span> <span word="are">are</span> <span word="handling">handling</span> <span word="toxic">toxic</span> <span word="chemicals">chemicals</span> <span word="that">that</span> <span word="can">can</span> <span word="pose">pose</span> <span word="serious">serious</span> <span word="health">health</span> <span word="problems">problems</span>. <span word="Luckily">Luckily</span>, <span word="some">some</span> <span word="manufacturers">manufacturers</span> <span word="are">are</span> <span word="beginning">beginning</span> <span word="to">to</span> <span word="assume">assume</span> <span word="greater">greater</span> <span word="responsibility">responsibility</span> <span word="for">for</span> <span word="what">what</span> <span word="happens">happens</span> <span word="to">to</span> <span word="their">their</span> <span word="products">products</span> <span word="after">after</span> <span word="they">they</span> <span word="become">become</span> <span word="out">out</span>-<span word="of">of</span>-<span word="date">date</span>.</p><p> </p>
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