小学阅读训练:Tigers have less land
<p>有史以来对老虎的栖息地最全面的科学研究发现，老虎现在的栖息地比10年前人们认为的面积减少了40%。这些老虎现在的活动范围只占历史活动范围的7%。</p><p>(<span word="Words">Words</span>: <span word="about">about</span> 300; <span word="Time">Time</span>: 3.5 <span word="minutes">minutes</span>)</p><p><span word="Tiger">Tiger</span> <span word="habitats">habitats</span> <span word="worldwide">worldwide</span> <span word="have">have</span> <span word="shrunk">shrunk</span> <span word="by">by</span> 40 <span word="percent">percent</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="decade">decade</span> <span word="and">and</span> <span word="their">their</span> <span word="survival">survival</span> <span word="depends">depends</span> <span word="on">on</span> <span word="cracking">cracking</span> <span word="down">down</span> <span word="on">on</span> <span word="illegal">illegal</span> <span word="hunting">hunting</span>, <span word="working">working</span> <span word="to">to</span> <span word="reduce">reduce</span> <span word="conflicts">conflicts</span> <span word="with">with</span> <span word="humans">humans</span>, <span word="and">and</span> <span word="protecting">protecting</span> <span word="key">key</span> <span word="ranges">ranges</span> (动植物分布区), <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="study">study</span>, <span word="the">the</span> <span word="most">most</span> <span word="thorough">thorough</span> <span word="ever">ever</span>.</p><p><span word="The">The</span> <span word="tiger">tiger</span> <span word="population">population</span> <span word="has">has</span> <span word="steadily">steadily</span> <span word="declined">declined</span> <span word="to">to</span> <span word="about">about</span> 7,500 <span word="globally">globally</span>, <span word="and">and</span> <span word="the">the</span> <span word="big">big</span> <span word="cats">cats</span> <span word="continue">continue</span> <span word="to">to</span> <span word="face">face</span> <span word="many">many</span> <span word="threats">threats</span> <span word="including">including</span> <span word="the">the</span> <span word="trade">trade</span> <span word="for">for</span> <span word="medical">medical</span> <span word="purpose">purpose</span> <span word="in">in</span> <span word="Asia">Asia</span>. <span word="Now">Now</span>, <span word="tigers">tigers</span> <span word="roam">roam</span> <span word="in">in</span> <span word="only">only</span> 7 <span word="percent">percent</span> <span word="of">of</span> <span word="their">their</span> <span word="historic">historic</span> <span word="range">range</span> 40 <span word="percent">percent</span> <span word="less">less</span> <span word="than">than</span> <span word="a">a</span> <span word="decade">decade</span> <span word="ago">ago</span>, <span word="the">the</span> <span word="World">World</span> <span word="Wildlife">Wildlife</span> <span word="Fund">Fund</span> (<span word="WWF">WWF</span>) <span word="noted">noted</span>.</p><p><span word="The">The</span> <span word="study">study</span> <span word="by">by</span> <span word="a">a</span> <span word="few">few</span> <span word="conservation">conservation</span> <span word="groups">groups</span> <span word="identified">identified</span> <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> 76 <span word="areas">areas</span>, <span word="mostly">mostly</span> <span word="in">in</span> <span word="Asia">Asia</span>, <span word="that">that</span> <span word="have">have</span> <span word="the">the</span> <span word="best">best</span> <span word="chance">chance</span> <span word="of">of</span> <span word="supporting">supporting</span> <span word="tiger">tiger</span> <span word="populations">populations</span>. <span word="Many">Many</span> <span word="important">important</span> <span word="areas">areas</span> <span word="have">have</span> <span word="been">been</span> <span word="overlooked">overlooked</span>, <span word="largely">largely</span> <span word="because">because</span> <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="no">no</span> <span word="method">method</span> <span word="to">to</span> <span word="systematically">systematically</span> <span word="identify">identify</span> <span word="areas">areas</span> <span word="of">of</span> <span word="high">high</span> <span word="conservation">conservation</span> <span word="potential">potential</span>, <span word="the">the</span> <span word="study">study</span> <span word="said">said</span>. <span word="About">About</span> <span word="half">half</span> <span word="of">of</span> <span word="the">the</span> 76 <span word="areas">areas</span> <span word="can">can</span> <span word="support">support</span> 100 <span word="tigers">tigers</span> <span word="and">and</span> <span word="offer">offer</span> <span word="excellent">excellent</span> <span word="opportunities">opportunities</span> <span word="for">for</span> <span word="the">the</span> <span word="recovery">recovery</span> <span word="of">of</span> <span word="wild">wild</span> <span word="tiger">tiger</span> <span word="populations">populations</span>.</p><p><span word="Researchers">Researchers</span> <span word="are">are</span> <span word="focusing">focusing</span> <span word="on">on</span> <span word="a">a</span> <span word="few">few</span> <span word="key">key</span> <span word="regions">regions</span> <span word="in">in</span> <span word="India">India</span>, <span word="Russias">Russias</span> <span word="Far">Far</span> <span word="East">East</span> <span word="and">and</span> <span word="parts">parts</span> <span word="of">of</span> <span word="Southeast">Southeast</span> <span word="Asia">Asia</span>. <span word="Tiger">Tiger</span> <span word="breeding">breeding</span> <span word="areas">areas</span> <span word="must">must</span> <span word="be">be</span> <span word="protected">protected</span> <span word="and">and</span> <span word="efforts">efforts</span> <span word="to">to</span> <span word="link">link</span> <span word="different">different</span> <span word="tiger">tiger</span> <span word="habitats">habitats</span> <span word="need">need</span> <span word="to">to</span> <span word="be">be</span> <span word="improved">improved</span>, <span word="the">the</span> <span word="study">study</span> <span word="said">said</span>.</p>
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