2015考研英语阅读加州的海水淡化
<p> <span word="IF">IF</span> <span word="CALIFORNIA">CALIFORNIA</span> <span word="were">were</span> <span word="not">not</span> <span word="already">already</span> <span word="so">so</span> <span word="famous">famous</span> <span word="forSilicon">forSilicon</span> <span word="Valley">Valley</span> <span word="and">and</span> <span word="Hollywood">Hollywood</span>, <span word="it">it</span> <span word="might">might</span> <span word="berenowned">berenowned</span> <span word="for">for</span> <span word="the">the</span> <span word="cluster">cluster</span> <span word="of">of</span> <span word="water">water</span>-<span word="technologyfirms">technologyfirms</span> <span word="in">in</span> <span word="its">its</span> <span word="San">San</span> <span word="Diego">Diego</span> <span word="County">County</span>. <span word="The">The</span> <span word="reverse">reverse</span>-<span word="osmosis">osmosis</span> <span word="spiral">spiral</span> <span word="module">module</span>, <span word="the">the</span> <span word="trick">trick</span> <span word="thatunderpins">thatunderpins</span> <span word="turning">turning</span> <span word="sea">sea</span>- <span word="and">and</span> <span word="waste">waste</span>-<span word="water">water</span> <span word="intopotable">intopotable</span> <span word="stuff">stuff</span>, <span word="was">was</span> <span word="patented">patented</span> <span word="in">in</span> <span word="San">San</span> <span word="Diego">Diego</span> <span word="in">in</span> 1964.<span word="Today">Today</span> <span word="dozens">dozens</span> <span word="of">of</span> <span word="firms">firms</span> <span word="in">in</span> <span word="the">the</span> <span word="area">area</span> <span word="supply">supply</span> <span word="many">many</span> <span word="ofthe">ofthe</span> <span word="worlds">worlds</span> <span word="roughly">roughly</span> 13,000 <span word="RO">RO</span> <span word="plants">plants</span> <span word="in">in</span> <span word="places">places</span> <span word="fromthe">fromthe</span> <span word="Persian">Persian</span> <span word="Gulf">Gulf</span> <span word="and">and</span> <span word="Israel">Israel</span> <span word="to">to</span> <span word="Australia">Australia</span>, <span word="China">China</span>,<span word="Singapore">Singapore</span> <span word="and">and</span> <span word="Spain">Spain</span>.</p><p> 如果加利福利亚的出名不是因为硅谷和好莱坞，那么圣地亚哥大量的水处理公司也许会让它声名在外。反渗透膜元件1964在圣地亚哥被申请专利，该设备是将海水和废水转化为可饮用水的基础。当今全球约有13000家反渗透厂，它们分布在从波斯湾、以色列到澳大利亚、中国、新加坡和西班牙的地方。而其中的大多数厂商从圣地亚哥的水处理公司引进技术和设备。</p><p> <span word="Southern">Southern</span> <span word="California">California</span> <span word="itself">itself</span>, <span word="however">however</span>, <span word="has">has</span> <span word="not">not</span> <span word="so">so</span> <span word="far">far</span> <span word="been">been</span> <span word="a">a</span> <span word="big">big</span> <span word="user">user</span> <span word="of">of</span> <span word="its">its</span> <span word="own">own</span> <span word="technology">technology</span>. <span word="Thisis">Thisis</span> <span word="surprising">surprising</span>, <span word="given">given</span> <span word="that">that</span> <span word="the">the</span> <span word="whole">whole</span> <span word="American">American</span> <span word="south">south</span>-<span word="west">west</span> <span word="confronts">confronts</span> <span word="a">a</span> <span word="water">water</span> <span word="problem">problem</span>. <span word="But">But</span> <span word="thereis">thereis</span> <span word="at">at</span> <span word="least">least</span> <span word="now">now</span> <span word="a">a</span> <span word="growing">growing</span> <span word="consensus">consensus</span> <span word="that">that</span> <span word="the">the</span> <span word="existing">existing</span> <span word="infrastructure">infrastructure</span>, <span word="consisting">consisting</span> <span word="of">of</span> <span word="vastaqueducts">vastaqueducts</span> <span word="that">that</span> <span word="carry">carry</span> <span word="water">water</span> <span word="from">from</span> <span word="the">the</span> <span word="Sacramento">Sacramento</span> <span word="Delta">Delta</span> <span word="in">in</span> <span word="the">the</span> <span word="north">north</span> <span word="and">and</span> <span word="the">the</span> <span word="Colorado">Colorado</span> <span word="River">River</span> <span word="inthe">inthe</span> <span word="east">east</span>, <span word="will">will</span> <span word="not">not</span> <span word="suffice">suffice</span> <span word="as">as</span> <span word="the">the</span> <span word="climate">climate</span> <span word="gets">gets</span> <span word="warmer">warmer</span> <span word="and">and</span> <span word="the">the</span> <span word="population">population</span> <span word="increases">increases</span>. <span word="Inplaces">Inplaces</span> <span word="such">such</span> <span word="as">as</span> <span word="San">San</span> <span word="Diego">Diego</span>, <span word="which">which</span> <span word="has">has</span> <span word="measly">measly</span> <span word="and">and</span> <span word="brackish">brackish</span> <span word="groundwater">groundwater</span> <span word="and">and</span> <span word="currently">currently</span> <span word="imports">imports</span>90% <span word="of">of</span> <span word="its">its</span> <span word="water">water</span>, <span word="the">the</span> <span word="answer">answer</span> <span word="must">must</span> <span word="be">be</span> <span word="greater">greater</span> <span word="conservation">conservation</span>, <span word="as">as</span> <span word="much">much</span> <span word="reuse">reuse</span> <span word="as">as</span> <span word="possible">possible</span>, <span word="withmost">withmost</span> <span word="of">of</span> <span word="the">the</span> <span word="rest">rest</span> <span word="coming">coming</span> <span word="from">from</span> <span word="the">the</span> <span word="sea">sea</span>.</p>
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