2015年职称英语考试理工类练习题之完形填空(5)
<p> <span word="Natural">Natural</span> <span word="Food">Food</span> <span word="as">as</span> <span word="Choice">Choice</span> <span word="of">of</span> <span word="Healthy">Healthy</span> <span word="Diet">Diet</span></p><p> <span word="Increasingly">Increasingly</span>, <span word="over">over</span> <span word="the">the</span> <span word="past">past</span> <span word="ten">ten</span> <span word="years">years</span>, <span word="peopleespecially">peopleespecially</span> <span word="young">young</span> <span word="peoplehave">peoplehave</span> <span word="become">become</span> <span word="aware">aware</span> <span word="of">of</span> <span word="the">the</span> <span word="need">need</span> <span word="to">to</span> <span word="change">change</span> <span word="their">their</span> <span word="eating">eating</span> <span word="habits">habits</span>, <span word="because">because</span> <span word="of">of</span> <span word="the">the</span> <span word="food">food</span> <span word="they">they</span> <span word="eat">eat</span>, <span word="particularly">particularly</span> <span word="processed">processed</span> <span word="foods">foods</span>, <span word="is">is</span> <span word="not">not</span> <span word="good">good</span> <span word="for">for</span> <span word="health">health</span>. <span word="Consequently">Consequently</span>, <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="a">a</span> <span word="interest">interest</span> <span word="in">in</span> <span word="natural">natural</span> <span word="foods">foods</span>: <span word="foods">foods</span> <span word="which">which</span> <span word="do">do</span> <span word="not">not</span> <span word="contain">contain</span> <span word="chemical">chemical</span> <span word="additives">additives</span> <span word="and">and</span> <span word="which">which</span> <span word="have">have</span> <span word="not">not</span> <span word="been">been</span> <span word="affected">affected</span> <span word="by">by</span> <span word="chemical">chemical</span> <span word="fertilizers">fertilizers</span> <span word="widely">widely</span> <span word="used">used</span> <span word="in">in</span> <span word="farming">farming</span> <span word="today">today</span>.</p><p> <span word="Natural">Natural</span> <span word="foods">foods</span>, <span word="for">for</span> <span word="example">example</span>, <span word="are">are</span> <span word="vegetables">vegetables</span>, <span word="fruit">fruit</span> <span word="and">and</span> <span word="grain">grain</span> <span word="have">have</span> <span word="been">been</span> <span word="grown">grown</span> <span word="in">in</span> <span word="soil">soil</span> <span word="that">that</span> <span word="is">is</span> <span word="rich">rich</span> <span word="in">in</span> <span word="organic">organic</span> <span word="matter">matter</span>. <span word="In">In</span> <span word="simple">simple</span> <span word="terms">terms</span>, <span word="this">this</span> <span word="means">means</span> <span word="that">that</span> <span word="the">the</span> <span word="soil">soil</span> <span word="has">has</span> <span word="been">been</span> <span word="nourished">nourished</span> <span word="by">by</span> <span word="unused">unused</span> <span word="vegetable">vegetable</span> <span word="matter">matter</span>, <span word="which">which</span> <span word="provides">provides</span> <span word="it">it</span> <span word="essential">essential</span> <span word="vitamins">vitamins</span> <span word="and">and</span> <span word="minerals">minerals</span>. <span word="This">This</span> <span word="in">in</span> <span word="itself">itself</span> <span word="is">is</span> <span word="a">a</span> <span word="natural">natural</span> <span word="process">process</span> <span word="with">with</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="chemicals">chemicals</span> <span word="and">and</span> <span word="fertilizers">fertilizers</span>, <span word="the">the</span> <span word="main">main</span> <span word="purpose">purpose</span> <span word="of">of</span> <span word="which">which</span> <span word="is">is</span> <span word="to">to</span> <span word="increase">increase</span> <span word="the">the</span> <span word="amount">amount</span> <span word="but">but</span> <span word="not">not</span> <span word="the">the</span> <span word="of">of</span> <span word="foods">foods</span> <span word="grown">grown</span> <span word="in">in</span> <span word="commercial">commercial</span> <span word="farming">farming</span> <span word="areas">areas</span>.</p><p> <span word="Natural">Natural</span> <span word="foods">foods</span> <span word="also">also</span> <span word="include">include</span> <span word="animals">animals</span> <span word="which">which</span> <span word="have">have</span> <span word="been">been</span> <span word="allowed">allowed</span> <span word="to">to</span> <span word="feed">feed</span> <span word="and">and</span> <span word="move">move</span> <span word="in">in</span> <span word="healthy">healthy</span> <span word="pastures">pastures</span>. <span word="Compare">Compare</span> <span word="this">this</span> <span word="with">with</span> <span word="what">what</span> <span word="happens">happens</span> <span word="in">in</span> <span word="the">the</span> <span word="mass">mass</span> <span word="production">production</span> <span word="of">of</span> <span word="poultry">poultry</span>: <span word="there">there</span> <span word="are">are</span> <span word="battery">battery</span> <span word="farms">farms</span>, <span word="for">for</span> <span word="example">example</span>, <span word="where">where</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="chickens">chickens</span> <span word="live">live</span> <span word="crowded">crowded</span> <span word="together">together</span> <span word="in">in</span> <span word="one">one</span> <span word="building">building</span> <span word="and">and</span> <span word="are">are</span> <span word="fed">fed</span> <span word="on">on</span> <span word="food">food</span> <span word="which">which</span> <span word="is">is</span> <span word="little">little</span> <span word="better">better</span> <span word="rubbish">rubbish</span>. <span word="Chickens">Chickens</span> <span word="kept">kept</span> <span word="in">in</span> <span word="this">this</span> <span word="way">way</span> <span word="are">are</span> <span word="not">not</span> <span word="only">only</span> <span word="as">as</span> <span word="food">food</span>; <span word="but">but</span> <span word="also">also</span> <span word="produce">produce</span> <span word="eggs">eggs</span> <span word="which">which</span> <span word="lack">lack</span> <span word="important">important</span> <span word="vitamins">vitamins</span>.</p><p> <span word="There">There</span> <span word="are">are</span> <span word="other">other</span> <span word="aspects">aspects</span> <span word="of">of</span> <span word="healthy">healthy</span> <span word="eating">eating</span> <span word="which">which</span> <span word="are">are</span> <span word="now">now</span> <span word="receiving">receiving</span> <span word="increasing">increasing</span> <span word="from">from</span> <span word="experts">experts</span> <span word="on">on</span> <span word="diet">diet</span>. <span word="Take">Take</span>, <span word="for">for</span> <span word="example">example</span>, <span word="the">the</span> <span word="question">question</span> <span word="of">of</span> <span word="sugar">sugar</span>. <span word="This">This</span> <span word="is">is</span> <span word="actually">actually</span> <span word="a">a</span> <span word="nonessential">nonessential</span> <span word="food">food</span>! <span word="a">a</span> <span word="natural">natural</span> <span word="alternative">alternative</span>, <span word="such">such</span> <span word="as">as</span> <span word="honey">honey</span>, <span word="can">can</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="sweeten">sweeten</span> <span word="food">food</span> <span word="if">if</span> <span word="this">this</span> <span word="necessary">necessary</span>, <span word="we">we</span> <span word="can">can</span> <span word="in">in</span> <span word="fact">fact</span> <span word="do">do</span> <span word="it">it</span>. <span word="It">It</span> <span word="is">is</span> <span word="not">not</span> <span word="that">that</span> <span word="sugar">sugar</span> <span word="is">is</span> <span word="harmful">harmful</span> <span word="in">in</span> <span word="itself">itself</span>. <span word="But">But</span> <span word="it">it</span> <span word="does">does</span> <span word="seem">seem</span> <span word="to">to</span> <span word="be">be</span> <span word="additive">additive</span>: <span word="the">the</span> <span word="quantity">quantity</span> <span word="we">we</span> <span word="use">use</span> <span word="has">has</span> <span word="grown">grown</span> <span word="steadily">steadily</span> <span word="over">over</span> <span word="the">the</span> <span word="last">last</span> <span word="centuries">centuries</span> <span word="and">and</span> <span word="in">in</span> <span word="Britain">Britain</span> <span word="today">today</span> <span word="each">each</span> <span word="person">person</span> <span word="consumes">consumes</span> <span word="an">an</span> <span word="average">average</span> <span word="of">of</span> 200 <span word="pounds">pounds</span> <span word="a">a</span> <span word="year">year</span>! <span word="Yet">Yet</span> <span word="all">all</span> <span word="it">it</span> <span word="does">does</span> <span word="is">is</span> <span word="to">to</span> <span word="provide">provide</span> <span word="us">us</span> <span word="with">with</span> <span word="energy">energy</span>, <span word="in">in</span> <span word="the">the</span> <span word="of">of</span> <span word="calories">calories</span>. <span word="There">There</span> <span word="are">are</span> <span word="no">no</span> <span word="vitamins">vitamins</span> <span word="in">in</span> <span word="it">it</span>, <span word="no">no</span> <span word="minerals">minerals</span> <span word="and">and</span> <span word="no">no</span> <span word="fiber">fiber</span>.</p>
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