雅思听力背景资料：Passion Fruit
<p> 雅思听力此前也考查到过关于某种植物或水果，比如香蕉的种植和栽培，这样的部分，大部分都是大家比较熟悉的事物，但这次考查的<span word="passion">passion</span> <span word="fruit">fruit</span>究竟为何物，很多同学一点概念都没有，英汉词典的解释为西番莲果，西番莲的一种可食果实。好像还不是能够比较全面的了解这究竟是个什么东东。笔者查阅了大量的原版外文资料，总结了一下<span word="passion">passion</span> <span word="fruit">fruit</span>的方方面面。</p><p> <span word="Common">Common</span> <span word="Names">Names</span>: <span word="Passion">Passion</span> <span word="Fruit">Fruit</span>, <span word="Granadilla">Granadilla</span>, <span word="Purple">Purple</span> <span word="Granadilla">Granadilla</span>, <span word="Yellow">Yellow</span> <span word="Passion">Passion</span> <span word="Fruit">Fruit</span></p><p> <span word="The">The</span> <span word="passionfruit">passionfruit</span> <span word="is">is</span> <span word="a">a</span> <span word="vigorous">vigorous</span>, <span word="shallow">shallow</span> <span word="rooted">rooted</span>, <span word="perennial">perennial</span> <span word="vine">vine</span> <span word="that">that</span> <span word="climbs">climbs</span> <span word="by">by</span> <span word="means">means</span> <span word="of">of</span> <span word="tendrils">tendrils</span>. <span word="There">There</span> <span word="are">are</span> <span word="two">two</span> <span word="types">types</span> <span word="of">of</span> <span word="passionfruit">passionfruit</span>. <span word="They">They</span> <span word="are">are</span> <span word="the">the</span> <span word="yellow">yellow</span> <span word="passionfruit">passionfruit</span> <span word="which">which</span> <span word="is">is</span> <span word="suited">suited</span> <span word="to">to</span> <span word="tropical">tropical</span> <span word="conditions">conditions</span>, <span word="and">and</span> <span word="the">the</span> <span word="purple">purple</span> <span word="passionfruit">passionfruit</span> <span word="which">which</span> <span word="grows">grows</span> <span word="best">best</span> <span word="under">under</span> <span word="sub">sub</span>-<span word="tropical">tropical</span> <span word="conditions">conditions</span>. <span word="The">The</span> <span word="yellow">yellow</span> <span word="passionfruit">passionfruit</span> <span word="is">is</span> <span word="tolerant">tolerant</span> <span word="to">to</span> <span word="most">most</span> <span word="of">of</span> <span word="the">the</span> <span word="soil">soil</span> <span word="borne">borne</span> <span word="pests">pests</span> <span word="and">and</span> <span word="diseases">diseases</span> <span word="that">that</span> <span word="affectthe">affectthe</span> <span word="purple">purple</span> <span word="type">type</span>, <span word="and">and</span> <span word="is">is</span> <span word="more">more</span> <span word="prolific">prolific</span>, <span word="bearing">bearing</span> <span word="larger">larger</span>, <span word="heavier">heavier</span> <span word="fruit">fruit</span> <span word="with">with</span> <span word="more">more</span> <span word="juice">juice</span>, <span word="which">which</span> <span word="has">has</span> <span word="a">a</span> <span word="higher">higher</span> <span word="acid">acid</span> <span word="content">content</span> <span word="than">than</span> <span word="the">the</span> <span word="purpletype">purpletype</span>. <span word="The">The</span> <span word="flavour">flavour</span> <span word="of">of</span> <span word="the">the</span> <span word="purple">purple</span> <span word="type">type</span> <span word="is">is</span> <span word="preferred">preferred</span> <span word="over">over</span> <span word="that">that</span> <span word="of">of</span> <span word="the">the</span> <span word="yellow">yellow</span> <span word="type">type</span>.</p><p> <span word="Origin">Origin</span>: <span word="The">The</span> <span word="purple">purple</span> <span word="passion">passion</span> <span word="fruit">fruit</span> <span word="is">is</span> <span word="native">native</span> <span word="from">from</span> <span word="southern">southern</span> <span word="Brazil">Brazil</span> <span word="through">through</span> <span word="Paraguay">Paraguay</span> <span word="to">to</span> <span word="northern">northern</span> <span word="Argentina">Argentina</span>. <span word="It">It</span> <span word="has">has</span> <span word="been">been</span> <span word="stated">stated</span> <span word="that">that</span> <span word="the">the</span> <span word="yellow">yellow</span> <span word="form">form</span> <span word="is">is</span> <span word="of">of</span> <span word="unknown">unknown</span> <span word="origin">origin</span>, <span word="or">or</span> <span word="perhaps">perhaps</span> <span word="native">native</span> <span word="to">to</span> <span word="the">the</span> <span word="Amazon">Amazon</span> <span word="region">region</span> <span word="of">of</span> <span word="Brazil">Brazil</span>, <span word="or">or</span> <span word="is">is</span> <span word="a">a</span> <span word="hybridbetween">hybridbetween</span> <span word="P">P</span>. <span word="edulis">edulis</span> <span word="and">and</span> <span word="P">P</span>. <span word="ligularis">ligularis</span> . <span word="Cytological">Cytological</span> <span word="studies">studies</span> <span word="have">have</span> <span word="not">not</span> <span word="borne">borne</span> <span word="out">out</span> <span word="the">the</span> <span word="hybrid">hybrid</span> <span word="theory">theory</span>. <span word="In">In</span> <span word="Australia">Australia</span> <span word="the">the</span> <span word="purple">purple</span> <span word="passion">passion</span> <span word="fruit">fruit</span> <span word="was">was</span> <span word="flourishing">flourishing</span> <span word="and">and</span> <span word="partially">partially</span> <span word="naturalized">naturalized</span> <span word="in">in</span> <span word="coastal">coastal</span> <span word="areas">areas</span> <span word="of">of</span> <span word="Queensland">Queensland</span> <span word="before">before</span> 1900. <span word="In">In</span> <span word="Hawaii">Hawaii</span>, <span word="seeds">seeds</span> <span word="of">of</span> <span word="the">the</span> <span word="purple">purple</span> <span word="passion">passion</span> <span word="fruit">fruit</span>, <span word="brought">brought</span> <span word="from">from</span> <span word="Australia">Australia</span>, <span word="were">were</span> <span word="first">first</span> <span word="planted">planted</span> <span word="in">in</span> 1880 <span word="and">and</span> <span word="the">the</span> <span word="vine">vine</span> <span word="came">came</span> <span word="to">to</span> <span word="be">be</span> <span word="popular">popular</span> <span word="in">in</span> <span word="home">home</span> <span word="gardens">gardens</span>.</p>
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