高考英语作文素材：东北虎(Siberian Tiger)作文素材
<p> 东北虎(<span word="Siberian">Siberian</span> <span word="Tiger">Tiger</span>)</p><p> <span word="The">The</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span> (<span word="also">also</span> <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="Amur">Amur</span>, <span word="Korean">Korean</span>, <span word="Manchurian">Manchurian</span>, <span word="or">or</span> <span word="North">North</span> <span word="China">China</span> <span word="tiger">tiger</span>) <span word="is">is</span> <span word="the">the</span> <span word="largest">largest</span> <span word="and">and</span> <span word="most">most</span> <span word="powerful">powerful</span> <span word="subspecies">subspecies</span> <span word="of">of</span> <span word="naturally">naturally</span> <span word="occurring">occurring</span> <span word="feline">feline</span>. <span word="The">The</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span> <span word="is">is</span> <span word="almost">almost</span> <span word="totally">totally</span> <span word="confined">confined</span> <span word="to">to</span> <span word="a">a</span> <span word="very">very</span> <span word="restricted">restricted</span> <span word="part">part</span> <span word="of">of</span> <span word="eastern">eastern</span> <span word="Russia">Russia</span>, <span word="the">the</span> <span word="Amur">Amur</span>-<span word="Ussuri">Ussuri</span> <span word="region">region</span> <span word="of">of</span> <span word="Primorye">Primorye</span> <span word="and">and</span> <span word="Khabarovsk">Khabarovsk</span>, <span word="a">a</span> <span word="location">location</span> <span word="it">it</span> <span word="shares">shares</span> <span word="with">with</span> <span word="the">the</span> <span word="Siberian">Siberian</span> <span word="leopard">leopard</span>, <span word="where">where</span> <span word="they">they</span> <span word="are">are</span> <span word="now">now</span> <span word="being">being</span> <span word="actively">actively</span> <span word="protected">protected</span>. <span word="About">About</span> 10% <span word="of">of</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span> <span word="populations">populations</span> <span word="reside">reside</span> <span word="in">in</span> <span word="China">China</span>.</p><p> <span word="The">The</span> <span word="tiger">tiger</span> <span word="population">population</span> <span word="in">in</span> <span word="the">the</span> <span word="Sikhote">Sikhote</span>-<span word="Alin">Alin</span> <span word="was">was</span> 250 <span word="in">in</span> 1992, <span word="increasing">increasing</span> <span word="to">to</span> 350 <span word="as">as</span> <span word="of">of</span> 2004, <span word="despite">despite</span> <span word="significant">significant</span> <span word="losses">losses</span> <span word="of">of</span> <span word="cubs">cubs</span> <span word="due">due</span> <span word="to">to</span> <span word="car">car</span> <span word="accidents">accidents</span> <span word="on">on</span> <span word="the">the</span> <span word="single">single</span> <span word="road">road</span> <span word="that">that</span> <span word="crosses">crosses</span> <span word="their">their</span> <span word="territory">territory</span>. <span word="Illegal">Illegal</span> <span word="poaching">poaching</span> <span word="has">has</span> <span word="been">been</span> <span word="brought">brought</span> <span word="under">under</span> <span word="control">control</span> <span word="thanks">thanks</span> <span word="to">to</span> <span word="frequent">frequent</span> <span word="road">road</span> <span word="inspections">inspections</span>. <span word="It">It</span> <span word="is">is</span> <span word="rumoured">rumoured</span> <span word="that">that</span> <span word="there">there</span> <span word="are">are</span> <span word="still">still</span> <span word="around">around</span> 20 <span word="of">of</span> <span word="these">these</span> <span word="tigers">tigers</span> <span word="in">in</span> <span word="the">the</span> <span word="Mount">Mount</span> <span word="Changbai">Changbai</span> <span word="area">area</span> <span word="of">of</span> <span word="China">China</span>.<span word="As">As</span> <span word="the">the</span> <span word="total">total</span> <span word="population">population</span> <span word="of">of</span> <span word="these">these</span> <span word="tigers">tigers</span> <span word="fell">fell</span> <span word="to">to</span> 150 <span word="in">in</span> <span word="the">the</span> <span word="wild">wild</span>, <span word="many">many</span> <span word="subpopulations">subpopulations</span> <span word="are">are</span> <span word="possibly">possibly</span> <span word="not">not</span> <span word="genetically">genetically</span> <span word="viable">viable</span>, <span word="subject">subject</span> <span word="to">to</span> <span word="potentially">potentially</span> <span word="catastrophic">catastrophic</span> <span word="inbreeding">inbreeding</span>. <span word="However">However</span>, <span word="Russian">Russian</span> <span word="conservation">conservation</span> <span word="efforts">efforts</span> <span word="have">have</span> <span word="led">led</span> <span word="to">to</span> <span word="a">a</span> <span word="revival">revival</span> <span word="of">of</span> <span word="the">the</span> <span word="subspecies">subspecies</span>, <span word="and">and</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="individuals">individuals</span> <span word="in">in</span> <span word="the">the</span> <span word="Primorsky">Primorsky</span> <span word="region">region</span> <span word="of">of</span> <span word="Russia">Russia</span> <span word="has">has</span> <span word="risen">risen</span> <span word="from">from</span> 450 <span word="to">to</span> 500 <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="decade">decade</span>, <span word="indicating">indicating</span> <span word="positive">positive</span> <span word="growth">growth</span>.</p><p> <span word="The">The</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span> <span word="can">can</span> <span word="weigh">weigh</span> <span word="as">as</span> <span word="much">much</span> <span word="as">as</span> 700<span word="lb">lb</span> (318 <span word="kg">kg</span>) <span word="or">or</span> <span word="more">more</span>. <span word="In">In</span> <span word="years">years</span> <span word="past">past</span>, <span word="scientists">scientists</span> <span word="believed">believed</span> <span word="that">that</span> <span word="these">these</span> <span word="cats">cats</span> <span word="could">could</span> <span word="weigh">weigh</span> <span word="up">up</span> <span word="to">to</span> 800<span word="lb">lb</span> (350 <span word="kg">kg</span>), <span word="but">but</span> <span word="that">that</span> <span word="earlier">earlier</span> <span word="range">range</span>, <span word="which">which</span> <span word="was">was</span> <span word="based">based</span> <span word="largely">largely</span> <span word="on">on</span> <span word="the">the</span> <span word="estimates">estimates</span> <span word="of">of</span> <span word="hunters">hunters</span>, <span word="is">is</span> <span word="not">not</span> <span word="now">now</span> <span word="generally">generally</span> <span word="accepted">accepted</span>. <span word="Apart">Apart</span> <span word="from">from</span> <span word="the">the</span> <span word="size">size</span>, <span word="Siberian">Siberian</span> <span word="tigers">tigers</span> <span word="are">are</span> <span word="differentiated">differentiated</span> <span word="from">from</span> <span word="other">other</span> <span word="tigers">tigers</span> <span word="by">by</span> <span word="their">their</span> <span word="paler">paler</span> <span word="fur">fur</span> <span word="and">and</span> <span word="dark">dark</span> <span word="brown">brown</span>, <span word="rather">rather</span> <span word="than">than</span> <span word="black">black</span>, <span word="stripes">stripes</span>. <span word="Adept">Adept</span> <span word="hunters">hunters</span>, <span word="they">they</span> <span word="prey">prey</span> <span word="primarily">primarily</span> <span word="on">on</span> <span word="red">red</span> <span word="deer">deer</span>, <span word="wild">wild</span> <span word="boar">boar</span>, <span word="roe">roe</span> <span word="deer">deer</span>, <span word="sika">sika</span> <span word="deer">deer</span>, <span word="and">and</span> <span word="goral">goral</span>, <span word="a">a</span> <span word="goatlike">goatlike</span> <span word="animal">animal</span>, <span word="but">but</span> <span word="will">will</span> <span word="also">also</span> <span word="take">take</span> <span word="smaller">smaller</span> <span word="prey">prey</span> <span word="like">like</span> <span word="hares">hares</span>, <span word="rabbits">rabbits</span>, <span word="and">and</span> <span word="salmon">salmon</span>. <span word="They">They</span> <span word="have">have</span> <span word="sometimes">sometimes</span> <span word="even">even</span> <span word="been">been</span> <span word="known">known</span> <span word="to">to</span> <span word="kill">kill</span> <span word="and">and</span> <span word="eat">eat</span> <span word="small">small</span> <span word="Asiatic">Asiatic</span> <span word="black">black</span> <span word="bears">bears</span>. <span word="Since">Since</span> <span word="it">it</span> <span word="is">is</span> <span word="estimated">estimated</span> <span word="that">that</span> 85% <span word="of">of</span> <span word="a">a</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span>‘<span word="s">s</span> <span word="diet">diet</span> <span word="is">is</span> <span word="composed">composed</span> <span word="of">of</span> <span word="red">red</span> <span word="deer">deer</span> <span word="and">and</span> <span word="wild">wild</span> <span word="boar">boar</span>, <span word="protecting">protecting</span> <span word="these">these</span> <span word="and">and</span> <span word="other">other</span> <span word="prey">prey</span> <span word="animals">animals</span> <span word="from">from</span> <span word="illegal">illegal</span> <span word="hunting">hunting</span> <span word="may">may</span> <span word="be">be</span> <span word="just">just</span> <span word="as">as</span> <span word="important">important</span> <span word="to">to</span> <span word="the">the</span> <span word="tiger">tiger</span>‘<span word="s">s</span> <span word="survival">survival</span> <span word="as">as</span> <span word="preventing">preventing</span> <span word="direct">direct</span> <span word="killing">killing</span> <span word="of">of</span> <span word="the">the</span> <span word="big">big</span> <span word="cats">cats</span>.<span word="Siberian">Siberian</span> <span word="tigers">tigers</span> <span word="some">some</span> <span word="times">times</span> <span word="cross">cross</span> <span word="breeds">breeds</span> <span word="with">with</span> <span word="Bengal">Bengal</span> <span word="tigers">tigers</span>. <span word="A">A</span> <span word="white">white</span> <span word="Siberian">Siberian</span> <span word="tiger">tiger</span> <span word="is">is</span> <span word="usually">usually</span> <span word="the">the</span> <span word="result">result</span> <span word="of">of</span> <span word="such">such</span> <span word="cross">cross</span> <span word="breeding">breeding</span> <span word="and">and</span> <span word="it">it</span> <span word="is">is</span> <span word="unsure">unsure</span> <span word="whether">whether</span> <span word="pure">pure</span> <span word="white">white</span> <span word="Siberian">Siberian</span> <span word="tigers">tigers</span> <span word="exist">exist</span>.</p>
页:
[1]