综合类职称英语考试阅读理解精选的练习题(1)
<p> <span word="The">The</span> <span word="name">name</span> <span word="Sahara">Sahara</span> <span word="derives">derives</span> <span word="from">from</span> <span word="the">the</span> <span word="Arabic">Arabic</span> <span word="word">word</span> <span word="for">for</span> <span word="desert">desert</span> <span word="or">or</span> <span word="steppe">steppe</span>. <span word="At">At</span> 3. 5 <span word="million">million</span> <span word="square">square</span> <span word="miles">miles</span>，<span word="an">an</span> <span word="area">area</span> <span word="roughly">roughly</span> <span word="the">the</span> <span word="size">size</span> <span word="of">of</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>，<span word="the">the</span> <span word="Sahara">Sahara</span> <span word="Desert">Desert</span> <span word="in">in</span> <span word="northern">northern</span> <span word="Africa">Africa</span> <span word="is">is</span> <span word="the">the</span> <span word="largest">largest</span> <span word="desert">desert</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>. <span word="lt">lt</span> <span word="spans">spans</span> <span word="the">the</span> <span word="continent">continent</span> <span word="from">from</span> <span word="the">the</span> <span word="Atlantic">Atlantic</span> <span word="Ocean">Ocean</span> <span word="to">to</span> <span word="the">the</span> <span word="Red">Red</span> <span word="Sea">Sea</span>. <span word="Daytime">Daytime</span> <span word="temperatures">temperatures</span> <span word="can">can</span> <span word="reach">reach</span> <span word="as">as</span> <span word="high">high</span> <span word="as">as</span> 130<span word="F">F</span>. <span word="The">The</span> <span word="humidity">humidity</span> <span word="sometimes">sometimes</span> <span word="gets">gets</span> <span word="into">into</span> <span word="the">the</span> <span word="teens">teens</span>. <span word="But">But</span> <span word="it">it</span> <span word="can">can</span> <span word="also">also</span> <span word="be">be</span> <span word="as">as</span> <span word="low">low</span> <span word="as">as</span> 2. 5 <span word="percent">percent</span>，<span word="the">the</span> <span word="lowest">lowest</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>. <span word="Most">Most</span> <span word="of">of</span> <span word="the">the</span> <span word="Sahara">Sahara</span> <span word="receives">receives</span> <span word="less">less</span> <span word="than">than</span> <span word="five">five</span> <span word="inches">inches</span> <span word="of">of</span> <span word="rain">rain</span> <span word="per">per</span> <span word="year">year</span>，<span word="while">while</span> <span word="large">large</span> <span word="areas">areas</span> <span word="sometimes">sometimes</span> <span word="have">have</span> <span word="no">no</span> <span word="rainfall">rainfall</span> <span word="at">at</span> <span word="all">all</span> <span word="for">for</span> <span word="years">years</span>.</p><p> <span word="At">At</span> <span word="the">the</span> <span word="heart">heart</span> <span word="of">of</span> <span word="the">the</span> <span word="Sahara">Sahara</span> <span word="is">is</span> <span word="the">the</span> <span word="landlocked">landlocked</span> <span word="north">north</span> <span word="African">African</span> <span word="country">country</span> <span word="of">of</span> <span word="Niger">Niger</span>. <span word="Here">Here</span> <span word="the">the</span> <span word="sand">sand</span> <span word="dunes">dunes</span> <span word="can">can</span> <span word="be">be</span> 100 <span word="feet">feet</span> <span word="tall">tall</span> <span word="and">and</span> <span word="several">several</span> <span word="miles">miles</span> <span word="long">long</span>. <span word="Here">Here</span> <span word="sand">sand</span> <span word="plains">plains</span> <span word="stretch">stretch</span> <span word="over">over</span> <span word="an">an</span> <span word="area">area</span> <span word="larger">larger</span> <span word="than">than</span> <span word="Germany">Germany</span> <span word="where">where</span> <span word="there">there</span> <span word="is">is</span> <span word="neither">neither</span> <span word="water">water</span> <span word="nor">nor</span> <span word="towns">towns</span>. <span word="Yet">Yet</span> <span word="sitting">sitting</span> <span word="in">in</span> <span word="the">the</span> <span word="midst">midst</span> <span word="of">of</span> <span word="the">the</span> <span word="surrounding">surrounding</span> <span word="desert">desert</span> <span word="is">is</span> <span word="the">the</span> <span word="town">town</span> <span word="of">of</span> <span word="Bilma">Bilma</span>. <span word="Suddenly">Suddenly</span> <span word="there">there</span> <span word="are">are</span> <span word="pools">pools</span> <span word="of">of</span> <span word="cIear">cIear</span> <span word="water">water</span>. <span word="Surprisingly">Surprisingly</span>，<span word="there">there</span> <span word="are">are</span> <span word="groves">groves</span> <span word="of">of</span> <span word="date">date</span> <span word="palms">palms</span>. <span word="Underground">Underground</span> <span word="water">water</span> <span word="resources">resources</span>，<span word="or">or</span> <span word="oases">oases</span>，<span word="sufficient">sufficient</span> <span word="to">to</span> <span word="support">support</span> <span word="irrigated">irrigated</span> <span word="agriculture">agriculture</span> <span word="are">are</span> <span word="found">found</span> <span word="in">in</span> <span word="dry">dry</span> <span word="stream">stream</span> <span word="beds">beds</span> <span word="and">and</span> <span word="depressions">depressions</span>. <span word="Irrigation">Irrigation</span> <span word="ditches">ditches</span> <span word="run">run</span> <span word="off">off</span> <span word="a">a</span> <span word="creek">creek</span> <span word="to">to</span> <span word="water">water</span> <span word="fields">fields</span>. <span word="Corn">Corn</span>，<span word="cassava">cassava</span>，<span word="tea">tea</span>，<span word="peanuts">peanuts</span>，<span word="hot">hot</span> <span word="peppers">peppers</span>，<span word="and">and</span> <span word="orange">orange</span>，<span word="lime">lime</span>，<span word="and">and</span> <span word="grapefruit">grapefruit</span> <span word="trees">trees</span> <span word="grow">grow</span> <span word="in">in</span> <span word="these">these</span> <span word="fields">fields</span>. <span word="Donkeys">Donkeys</span> <span word="and">and</span> <span word="goats">goats</span> <span word="graze">graze</span> <span word="on">on</span> <span word="green">green</span> <span word="grass">grass</span>.</p><p> <span word="The">The</span> <span word="Sahara">Sahara</span> <span word="of">of</span> <span word="Niger">Niger</span> <span word="is">is</span> <span word="still">still</span> <span word="a">a</span> <span word="region">region</span> <span word="where">where</span> <span word="you">you</span> <span word="can">can</span> <span word="see">see</span> <span word="a">a</span> <span word="camel">camel</span> <span word="caravan">caravan</span> <span word="of">of</span> 500 <span word="camels">camels</span> <span word="tied">tied</span> <span word="together">together</span> <span word="in">in</span> <span word="loose">loose</span> <span word="lines">lines</span> <span word="as">as</span> <span word="long">long</span> <span word="as">as</span> <span word="a">a</span> <span word="mile">mile</span>，<span word="traveling">traveling</span> <span word="toward">toward</span> <span word="such">such</span> <span word="oasis">oasis</span> <span word="towns">towns</span>. <span word="There">There</span> <span word="a">a</span> <span word="caravan">caravan</span> <span word="will">will</span> <span word="collect">collect</span> <span word="life">life</span>-<span word="sustaining">sustaining</span> <span word="salt">salt</span>，<span word="which">which</span> <span word="is">is</span> <span word="mined">mined</span> <span word="from">from</span> <span word="watery">watery</span> <span word="basins">basins</span>，<span word="and">and</span> <span word="transport">transport</span> <span word="it">it</span> <span word="up">up</span> <span word="to">to</span> 400 <span word="miles">miles</span> <span word="back">back</span> <span word="to">to</span> <span word="settlements">settlements</span> <span word="on">on</span> <span word="the">the</span> <span word="edges">edges</span> <span word="of">of</span> <span word="the">the</span> <span word="desert">desert</span>. <span word="The">The</span> <span word="round">round</span> <span word="trip">trip</span> <span word="across">across</span> <span word="the">the</span> <span word="vast">vast</span> <span word="sands">sands</span> <span word="takes">takes</span> <span word="one">one</span> <span word="month">month</span>.</p>
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