大学英语六级考试阅读提高练习题及答案(18)
<p> <span word="During">During</span> <span word="the">the</span> <span word="nineteenth">nineteenth</span> <span word="and">and</span> <span word="twentieth">twentieth</span> <span word="centuries">centuries</span>, <span word="migrations">migrations</span> <span word="have">have</span> <span word="taken">taken</span> <span word="place">place</span> <span word="within">within</span>__1__ <span word="countries">countries</span>; <span word="the">the</span> <span word="cities">cities</span> <span word="with">with</span> <span word="their">their</span> <span word="industries">industries</span> <span word="have">have</span> <span word="attracted">attracted</span> <span word="people">people</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="country">country</span>. <span word="The">The</span> <span word="possibility">possibility</span> <span word="of">of</span> <span word="earning">earning</span> <span word="a">a</span> <span word="fixed">fixed</span>__2__<span word="in">in</span> <span word="a">a</span> <span word="factory">factory</span> <span word="or">or</span> <span word="office">office</span> <span word="was">was</span> <span word="more">more</span> <span word="attractive">attractive</span> <span word="than">than</span> <span word="the">the</span> <span word="possibility">possibility</span> <span word="of">of</span> <span word="staying">staying</span> <span word="on">on</span> <span word="the">the</span> <span word="farm">farm</span> <span word="and">and</span> <span word="having">having</span> <span word="ones">ones</span> <span word="work">work</span> __3 __<span word="by">by</span> <span word="frost">frost</span>, <span word="storms">storms</span>, <span word="or">or</span> <span word="droughts">droughts</span>. <span word="Furthermore">Furthermore</span>, <span word="the">the</span> <span word="development">development</span> <span word="of">of</span> <span word="agricultural">agricultural</span> <span word="machinery">machinery</span> <span word="made">made</span> <span word="it">it</span> <span word="possible">possible</span> <span word="for">for</span> <span word="fewer">fewer</span> <span word="people">people</span> <span word="to">to</span> <span word="do">do</span> <span word="the">the</span> <span word="same">same</span> __4__<span word="of">of</span> <span word="work">work</span>.</p><p> <span word="Thus">Thus</span>, <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span> <span word="when">when</span> <span word="the">the</span> <span word="industrial">industrial</span> <span word="revolution">revolution</span> <span word="made">made</span> <span word="it">it</span> <span word="possible">possible</span> <span word="to">to</span> <span word="produce">produce</span> <span word="goods">goods</span> <span word="more">more</span>__5__<span word="and">and</span> <span word="more">more</span> <span word="quickly">quickly</span> <span word="in">in</span> <span word="factories">factories</span>, <span word="agricultural">agricultural</span> <span word="revolution">revolution</span> <span word="also">also</span> <span word="took">took</span> <span word="place">place</span>. <span word="Instead">Instead</span> <span word="of">of</span> <span word="leaving">leaving</span> <span word="fields">fields</span> <span word="empty">empty</span> <span word="every">every</span> <span word="third">third</span> <span word="year">year</span>, <span word="farmers">farmers</span> <span word="began">began</span> <span word="to">to</span> <span word="plant">plant</span> <span word="clover">clover</span> <span word="or">or</span> <span word="some">some</span> <span word="other">other</span> <span word="crop">crop</span> <span word="that">that</span> <span word="would">would</span>__6__<span word="the">the</span> <span word="soil">soil</span>. <span word="Instead">Instead</span> <span word="of">of</span> <span word="using">using</span> <span word="only">only</span> <span word="animal">animal</span> <span word="fertilizer">fertilizer</span>, <span word="farmers">farmers</span> <span word="began">began</span> <span word="to">to</span> <span word="use">use</span> <span word="chemical">chemical</span> <span word="fertilizers">fertilizers</span> <span word="to">to</span> <span word="keep">keep</span> <span word="the">the</span> <span word="soil">soil</span> <span word="rich">rich</span>. <span word="These">These</span> <span word="methods">methods</span> <span word="have">have</span> <span word="enabled">enabled</span> <span word="French">French</span> <span word="farmers">farmers</span>, <span word="for">for</span> <span word="example">example</span>, <span word="to">to</span> <span word="get">get</span> <span word="five">five</span> <span word="times">times</span> <span word="as">as</span> <span word="much">much</span> <span word="wheat">wheat</span> <span word="as">as</span> <span word="was">was</span> __7__ <span word="from">from</span> <span word="the">the</span> <span word="same">same</span> <span word="land">land</span> <span word="two">two</span> <span word="centuries">centuries</span> <span word="ago">ago</span>.</p><p> <span word="In">In</span> <span word="many">many</span> <span word="countries">countries</span> <span word="farmers">farmers</span> <span word="find">find</span> <span word="it">it</span> <span word="more">more</span> __8__<span word="to">to</span> <span word="raise">raise</span> <span word="only">only</span> <span word="one">one</span> <span word="crop">crop</span> <span word="or">or</span> <span word="one">one</span> <span word="kind">kind</span> <span word="of">of</span> <span word="animal">animal</span>. <span word="They">They</span> <span word="choose">choose</span> <span word="the">the</span> <span word="kind">kind</span> <span word="that">that</span> <span word="gives">gives</span> <span word="the">the</span> <span word="best">best</span> <span word="results">results</span>. <span word="Then">Then</span> <span word="they">they</span> <span word="sell">sell</span> <span word="all">all</span> <span word="that">that</span> <span word="they">they</span> <span word="produce">produce</span>, <span word="instead">instead</span> <span word="of">of</span> <span word="trying">trying</span> <span word="to">to</span> <span word="grow">grow</span> <span word="a">a</span> <span word="little">little</span> <span word="of">of</span> <span word="everything">everything</span> <span word="and">and</span> <span word="consume">consume</span> <span word="what">what</span> <span word="they">they</span> <span word="grow">grow</span>. <span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="more">more</span> <span word="feasible">feasible</span> <span word="type">type</span> <span word="of">of</span> __9__<span word="because">because</span> <span word="modern">modern</span> <span word="methods">methods</span> <span word="and">and</span> <span word="machinery">machinery</span> <span word="are">are</span> <span word="adapted">adapted</span> <span word="to">to</span> <span word="specific">specific</span> <span word="animals">animals</span> <span word="and">and</span> <span word="specific">specific</span> <span word="crops">crops</span>. <span word="Therefore">Therefore</span>, <span word="it">it</span> <span word="would">would</span> <span word="be">be</span> <span word="too">too</span> <span word="expensive">expensive</span> <span word="to">to</span> <span word="do">do</span> <span word="all">all</span> <span word="the">the</span> <span word="work">work</span> <span word="by">by</span> <span word="hand">hand</span>, <span word="or">or</span> <span word="to">to</span> <span word="buy">buy</span> <span word="the">the</span>__10__<span word="needed">needed</span> <span word="for">for</span> <span word="several">several</span> <span word="different">different</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="farming">farming</span>.</p>
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