2014年职称英语考试理工类阅读判断模拟练习题(5)
<p> <span word="Only">Only</span> <span word="special">special</span> <span word="plants">plants</span> <span word="can">can</span> <span word="survive">survive</span> <span word="the">the</span> <span word="terrible">terrible</span> <span word="climate">climate</span> <span word="of">of</span> <span word="a">a</span> <span word="desert">desert</span>， <span word="for">for</span> <span word="these">these</span> <span word="are">are</span> <span word="regions">regions</span> <span word="where">where</span> <span word="the">the</span> <span word="annual">annual</span> <span word="range">range</span> <span word="of">of</span> <span word="the">the</span> <span word="soil">soil</span> <span word="temperature">temperature</span> <span word="can">can</span> <span word="be">be</span> <span word="over">over</span> 75℃. <span word="Furthermore">Furthermore</span>， <span word="during">during</span> <span word="the">the</span> <span word="summer">summer</span> <span word="there">there</span> <span word="are">are</span> <span word="few">few</span> <span word="clouds">clouds</span> <span word="in">in</span> <span word="the">the</span> <span word="sky">sky</span> <span word="to">to</span> <span word="protect">protect</span> <span word="plants">plants</span> <span word="from">from</span> <span word="the">the</span> <span word="suns">suns</span> <span word="ray">ray</span>. <span word="Another">Another</span> <span word="problem">problem</span> <span word="is">is</span> <span word="the">the</span> <span word="fact">fact</span> <span word="that">that</span> <span word="there">there</span> <span word="are">are</span> <span word="frequently">frequently</span> <span word="strong">strong</span> <span word="winds">winds</span> <span word="which">which</span> <span word="drive">drive</span> <span word="small">small</span>， <span word="sharp">sharp</span> <span word="particles">particles</span> <span word="of">of</span> <span word="sand">sand</span> <span word="into">into</span> <span word="the">the</span> <span word="plants">plants</span>， <span word="tearing">tearing</span> <span word="and">and</span> <span word="damaging">damaging</span> <span word="them">them</span>. <span word="The">The</span> <span word="most">most</span> <span word="difficult">difficult</span> <span word="problem">problem</span> <span word="for">for</span> <span word="all">all</span> <span word="forms">forms</span> <span word="of">of</span> <span word="plant">plant</span> <span word="life">life</span>， <span word="however">however</span>， <span word="is">is</span> <span word="the">the</span> <span word="fact">fact</span> <span word="that">that</span> <span word="the">the</span> <span word="entire">entire</span> <span word="annual">annual</span> <span word="rainfall">rainfall</span> <span word="occurs">occurs</span> <span word="during">during</span> <span word="a">a</span> <span word="few">few</span> <span word="days">days</span> <span word="or">or</span> <span word="weeks">weeks</span> <span word="in">in</span> <span word="spring">spring</span>.</p><p> <span word="Grasses">Grasses</span> <span word="and">and</span> <span word="flowers">flowers</span> <span word="in">in</span> <span word="desert">desert</span> <span word="survive">survive</span> <span word="from">from</span> <span word="one">one</span> <span word="year">year</span> <span word="to">to</span> <span word="the">the</span> <span word="next">next</span> <span word="by">by</span> <span word="existing">existing</span> <span word="through">through</span> <span word="the">the</span> <span word="long">long</span>， <span word="hot">hot</span>， <span word="dry">dry</span> <span word="season">season</span> <span word="in">in</span> <span word="the">the</span> <span word="form">form</span> <span word="of">of</span> <span word="seeds">seeds</span>. <span word="These">These</span> <span word="seeds">seeds</span> <span word="remain">remain</span> <span word="inactive">inactive</span> <span word="unless">unless</span> <span word="the">the</span> <span word="right">right</span> <span word="amount">amount</span> <span word="of">of</span> <span word="rain">rain</span> <span word="falls">falls</span>. <span word="If">If</span> <span word="no">no</span> <span word="rain">rain</span> <span word="falls">falls</span>， <span word="or">or</span> <span word="if">if</span> <span word="insufficient">insufficient</span> <span word="rain">rain</span> <span word="falls">falls</span>， <span word="they">they</span> <span word="wait">wait</span> <span word="until">until</span> <span word="the">the</span> <span word="next">next</span> <span word="year">year</span>， <span word="or">or</span> <span word="even">even</span> <span word="still">still</span> <span word="the">the</span> <span word="next">next</span>. <span word="Another">Another</span> <span word="factor">factor</span> <span word="that">that</span> <span word="helps">helps</span> <span word="these">these</span> <span word="plants">plants</span> <span word="to">to</span> <span word="survive">survive</span> <span word="is">is</span> <span word="the">the</span> <span word="fact">fact</span> <span word="that">that</span> <span word="their">their</span> <span word="life">life</span> <span word="cycles">cycles</span> <span word="are">are</span> <span word="short">short</span>. <span word="By">By</span> <span word="the">the</span> <span word="time">time</span> <span word="that">that</span> <span word="the">the</span> <span word="water">water</span> <span word="from">from</span> <span word="the">the</span> <span word="spring">spring</span> <span word="rains">rains</span> <span word="disappears">disappears</span><span word="just">just</span> <span word="a">a</span> <span word="few">few</span> <span word="weeks">weeks</span> <span word="after">after</span> <span word="it">it</span> <span word="falls">falls</span><span word="such">such</span> <span word="plants">plants</span> <span word="no">no</span> <span word="longer">longer</span> <span word="need">need</span> <span word="any">any</span>.</p><p> <span word="The">The</span> <span word="perennials">perennials</span> <span word="have">have</span> <span word="special">special</span> <span word="features">features</span> <span word="which">which</span> <span word="enable">enable</span> <span word="them">them</span> <span word="to">to</span> <span word="survive">survive</span> <span word="as">as</span> <span word="plants">plants</span> <span word="for">for</span> <span word="several">several</span> <span word="years">years</span>. <span word="Thus">Thus</span>， <span word="nearly">nearly</span> <span word="all">all</span> <span word="desert">desert</span> <span word="perennials">perennials</span> <span word="have">have</span> <span word="extensive">extensive</span> <span word="root">root</span> <span word="systems">systems</span> <span word="below">below</span> <span word="ground">ground</span> <span word="and">and</span> <span word="a">a</span> <span word="small">small</span> <span word="shoot">shoot</span> <span word="system">system</span> <span word="above">above</span> <span word="ground">ground</span>. <span word="The">The</span> <span word="large">large</span> <span word="root">root</span> <span word="network">network</span> <span word="enables">enables</span> <span word="the">the</span> <span word="plant">plant</span> <span word="to">to</span> <span word="absorb">absorb</span> <span word="as">as</span> <span word="much">much</span> <span word="water">water</span> <span word="as">as</span> <span word="possible">possible</span> <span word="in">in</span> <span word="a">a</span> <span word="short">short</span> <span word="time">time</span>. <span word="The">The</span> <span word="small">small</span> <span word="shoot">shoot</span> <span word="system">system</span>， <span word="on">on</span> <span word="the">the</span> <span word="other">other</span> <span word="hand">hand</span>， <span word="considerably">considerably</span> <span word="limits">limits</span> <span word="water">water</span> <span word="loss">loss</span> <span word="by">by</span> <span word="evaporation">evaporation</span>.</p>
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