小学生英语阅读天天练：UN Year of Deserts
<p>沙漠化是造成全球环境恶化严重的因素之一。沙漠化会引起食物不安全、饥荒和贫穷，从而导致社会、经济和政治的紧张。正是由于沙漠化的紧迫感，联合国大会决定宣布2006年为国际沙漠与沙漠化年。</p><p>(<span word="Words">Words</span>: <span word="about">about</span> 270; <span word="Time">Time</span>: 3.5 <span word="minutes">minutes</span>)</p><p><span word="The">The</span> <span word="United">United</span> <span word="Nations">Nations</span>, <span word="or">or</span> <span word="UN">UN</span>, <span word="has">has</span> <span word="named">named</span> 2006 <span word="as">as</span> <span word="the">the</span> <span word="International">International</span> <span word="Year">Year</span> <span word="of">of</span> <span word="Deserts">Deserts</span>. <span word="The">The</span> <span word="UN">UN</span> <span word="wants">wants</span> <span word="to">to</span> <span word="highlight">highlight</span> <span word="the">the</span> <span word="beauty">beauty</span> <span word="and">and</span> <span word="wonders">wonders</span> <span word="of">of</span> <span word="deserts">deserts</span> <span word="throughout">throughout</span> <span word="the">the</span> <span word="world">world</span>.</p><p><span word="But">But</span> <span word="the">the</span> <span word="United">United</span> <span word="Nations">Nations</span> <span word="also">also</span> <span word="wants">wants</span> <span word="to">to</span> <span word="call">call</span> <span word="attention">attention</span> <span word="to">to</span> <span word="the">the</span> <span word="dangers">dangers</span> <span word="the">the</span> <span word="world">world</span> <span word="faces">faces</span> <span word="as">as</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="land">land</span> <span word="becomes">becomes</span> <span word="desert">desert</span>. <span word="Large">Large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="land">land</span> <span word="that">that</span> <span word="could">could</span> <span word="once">once</span> <span word="grow">grow</span> <span word="crops">crops</span> <span word="have">have</span> <span word="become">become</span> <span word="desert">desert</span>. <span word="Food">Food</span> <span word="can">can</span> <span word="no">no</span> <span word="longer">longer</span> <span word="be">be</span> <span word="grown">grown</span> <span word="in">in</span> <span word="those">those</span> <span word="areas">areas</span>. <span word="More">More</span> <span word="land">land</span> <span word="is">is</span> <span word="lost">lost</span> <span word="to">to</span> <span word="desert">desert</span> <span word="each">each</span> <span word="year">year</span>.</p><p><span word="Special">Special</span> <span word="habitats">habitats</span></p><p><span word="Deserts">Deserts</span> <span word="are">are</span> <span word="special">special</span> <span word="environments">environments</span>, <span word="home">home</span> <span word="to">to</span> <span word="many">many</span> <span word="different">different</span> <span word="animals">animals</span> <span word="and">and</span> <span word="plants">plants</span>. <span word="For">For</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="years">years</span>, <span word="deserts">deserts</span> <span word="have">have</span> <span word="also">also</span> <span word="been">been</span> <span word="home">home</span> <span word="to">to</span> <span word="many">many</span> <span word="civilizations">civilizations</span>.</p><p><span word="Deserts">Deserts</span> <span word="are">are</span> <span word="fragile">fragile</span> <span word="environments">environments</span>. <span word="The">The</span> <span word="UN">UN</span> <span word="is">is</span> <span word="hoping">hoping</span> <span word="to">to</span> <span word="protect">protect</span> <span word="the">the</span> <span word="older">older</span> <span word="deserts">deserts</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="stop">stop</span> <span word="new">new</span> <span word="deserts">deserts</span> <span word="from">from</span> <span word="forming">forming</span>.</p><p><span word="The">The</span> <span word="dangers">dangers</span></p><p><span word="Experts">Experts</span> <span word="believe">believe</span> <span word="that">that</span> <span word="one">one</span> <span word="third">third</span> <span word="of">of</span> <span word="the">the</span> <span word="earths">earths</span> <span word="land">land</span> <span word="surface">surface</span> <span word="is">is</span> <span word="being">being</span> <span word="threatened">threatened</span> <span word="by">by</span> <span word="the">the</span> <span word="loss">loss</span> <span word="of">of</span> <span word="cropland">cropland</span>. <span word="When">When</span> <span word="the">the</span> <span word="land">land</span> <span word="dries">dries</span> <span word="up">up</span> <span word="and">and</span> <span word="becomes">becomes</span> <span word="desert">desert</span>, <span word="people">people</span> <span word="cannot">cannot</span> <span word="grow">grow</span> <span word="enough">enough</span> <span word="to">to</span> <span word="eat">eat</span>. <span word="Experts">Experts</span> <span word="believe">believe</span> <span word="this">this</span> <span word="danger">danger</span> <span word="will">will</span> <span word="affect">affect</span> <span word="about">about</span> 1 <span word="billion">billion</span> <span word="people">people</span>.</p><p><span word="Africa">Africa</span> <span word="has">has</span> <span word="been">been</span> <span word="especially">especially</span> <span word="harmed">harmed</span> <span word="by">by</span> <span word="growing">growing</span> <span word="deserts">deserts</span>. <span word="Experts">Experts</span> <span word="believe">believe</span> <span word="about">about</span> <span word="two">two</span>-<span word="thirds">thirds</span> <span word="of">of</span> <span word="Africas">Africas</span> <span word="people">people</span> <span word="are">are</span> <span word="threatened">threatened</span> <span word="by">by</span> <span word="this">this</span> <span word="loss">loss</span> <span word="of">of</span> <span word="cropland">cropland</span>.</p>
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