职称英语考试理工类阅读理解练习题(17)
<p> <span word="Multivitamins">Multivitamins</span> <span word="Urged">Urged</span> <span word="for">for</span> <span word="All">All</span> <span word="Pregnant">Pregnant</span> <span word="Women">Women</span> <span word="A">A</span> <span word="recent">recent</span> <span word="study">study</span> <span word="in">in</span> <span word="Tanzania">Tanzania</span> <span word="found">found</span> <span word="that">that</span> <span word="when">when</span> <span word="pregnant">pregnant</span> <span word="women">women</span> <span word="took">took</span> <span word="vitamins">vitamins</span> <span word="every">every</span> <span word="day">day</span>, <span word="fewer">fewer</span> <span word="babies">babies</span> <span word="were">were</span> <span word="born">born</span> <span word="too">too</span> <span word="small">small</span>. <span word="Babies">Babies</span> <span word="that">that</span> <span word="weigh">weigh</span> <span word="less">less</span> <span word="than">than</span> <span word="two">two</span> <span word="and">and</span> <span word="one">one</span>-<span word="half">half</span> <span word="kilograms">kilograms</span> <span word="at">at</span> <span word="birth">birth</span> <span word="have">have</span> <span word="a">a</span> <span word="greater">greater</span> <span word="risk">risk</span> <span word="of">of</span> <span word="dying">dying</span>. <span word="Those">Those</span> <span word="that">that</span> <span word="survive">survive</span> <span word="are">are</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="experience">experience</span> <span word="problems">problems</span> <span word="with">with</span> <span word="their">their</span> <span word="development">development</span>. <span word="And">And</span> <span word="experts">experts</span> <span word="say">say</span> <span word="that">that</span> <span word="as">as</span> <span word="adults">adults</span> <span word="they">they</span> <span word="have">have</span> <span word="a">a</span> <span word="higher">higher</span> <span word="risk">risk</span> <span word="of">of</span> <span word="diseases">diseases</span> <span word="including">including</span> <span word="heart">heart</span> <span word="disease">disease</span> <span word="and">and</span> <span word="diabetes">diabetes</span>. <span word="The">The</span> <span word="World">World</span> <span word="Health">Health</span> <span word="Organization">Organization</span>1 <span word="estimates">estimates</span> <span word="that">that</span> <span word="every">every</span> <span word="year">year</span> <span word="twenty">twenty</span> <span word="million">million</span> <span word="babies">babies</span> <span word="are">are</span> <span word="born">born</span> <span word="with">with</span> <span word="low">low</span> <span word="birth">birth</span> <span word="weight">weight</span>. <span word="Nine">Nine</span> <span word="out">out</span> <span word="of">of</span> <span word="ten">ten</span> <span word="of">of</span> <span word="them">them</span> <span word="are">are</span> <span word="born">born</span> <span word="in">in</span> <span word="developing">developing</span> <span word="countries">countries</span>. <span word="The">The</span> <span word="scientists">scientists</span> <span word="compared">compared</span> <span word="the">the</span> <span word="findings">findings</span> <span word="with">with</span> <span word="results">results</span> <span word="from">from</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> 4,000 <span word="women">women</span> <span word="who">who</span> <span word="did">did</span> <span word="not">not</span> <span word="receive">receive</span> <span word="the">the</span> <span word="vitamins">vitamins</span>. <span word="A">A</span> <span word="report">report</span> <span word="by">by</span> <span word="the">the</span> <span word="scientists">scientists</span>, <span word="from">from</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="and">and</span> <span word="Tanzania">Tanzania</span>, <span word="appeared">appeared</span> <span word="in">in</span> <span word="the">the</span> <span word="New">New</span> <span word="England">England</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Medicine">Medicine</span>. 3 <span word="Wafaie">Wafaie</span> <span word="Fawzi">Fawzi</span> <span word="of">of</span> <span word="the">the</span> <span word="Harvard">Harvard</span> <span word="University">University</span> <span word="School">School</span> <span word="of">of</span> <span word="Public">Public</span> <span word="Health">Health</span>4 <span word="led">led</span> <span word="the">the</span> <span word="study">study</span>. <span word="None">None</span> <span word="of">of</span> <span word="the">the</span> <span word="women">women</span> <span word="in">in</span> <span word="the">the</span> <span word="study">study</span> <span word="had">had</span> <span word="HIV">HIV</span>, <span word="the">the</span> <span word="virus">virus</span> <span word="that">that</span> <span word="causes">causes</span> <span word="AIDS">AIDS</span>. <span word="The">The</span> <span word="scientists">scientists</span> <span word="reported">reported</span> <span word="earlier">earlier</span> <span word="that">that</span> <span word="daily">daily</span> <span word="multivitamins">multivitamins</span> <span word="were">were</span> <span word="a">a</span> <span word="low">low</span>-<span word="cost">cost</span> <span word="way">way</span> <span word="to">to</span> <span word="reduce">reduce</span> <span word="fetal">fetal</span> <span word="deaths">deaths</span> <span word="in">in</span> <span word="pregnant">pregnant</span> <span word="women">women</span> <span word="infected">infected</span> <span word="with">with</span>5 <span word="HIV">HIV</span>. <span word="The">The</span> <span word="earlier">earlier</span> <span word="work">work</span> <span word="in">in</span> <span word="Tanzania">Tanzania</span> <span word="also">also</span> <span word="found">found</span> <span word="improvement">improvement</span> <span word="in">in</span> <span word="the">the</span> <span word="mothers">mothers</span> <span word="in">in</span> <span word="their">their</span> <span word="number">number</span> <span word="of">of</span> <span word="blood">blood</span> <span word="cells">cells</span> <span word="known">known</span> <span word="as">as</span> <span word="lymphocytes">lymphocytes</span>. <span word="Lymphocytes">Lymphocytes</span> <span word="increase">increase</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="immunity">immunity</span> <span word="against">against</span> <span word="infection">infection</span>. 练习: <span word="A">A</span> 20,000,000. <span word="C">C</span> 2,000,000. 2. <span word="A">A</span> <span word="pill">pill</span> <span word="of">of</span> <span word="multivitamins">multivitamins</span> <span word="may">may</span> <span word="contain">contain</span> <span word="all">all</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="substances">substances</span> <span word="EXCEPT">EXCEPT</span> <span word="B">B</span> <span word="vitamins">vitamins</span> <span word="C">C</span> <span word="and">and</span> <span word="E">E</span>. <span word="D">D</span> <span word="antiviral">antiviral</span> <span word="substances">substances</span>. <span word="A">A</span> <span word="To">To</span> <span word="reduce">reduce</span> <span word="the">the</span> <span word="rate">rate</span> <span word="of">of</span> <span word="babies">babies</span> <span word="born">born</span> <span word="too">too</span> <span word="early">early</span>. <span word="C">C</span> <span word="To">To</span> <span word="reduce">reduce</span> <span word="fetal">fetal</span> <span word="deaths">deaths</span> <span word="in">in</span> <span word="pregnant">pregnant</span> <span word="women">women</span> <span word="infected">infected</span> <span word="with">with</span> <span word="HIV">HIV</span>. 4. <span word="What">What</span> <span word="a">a</span> <span word="role">role</span> <span word="do">do</span> <span word="lymphocytes">lymphocytes</span> <span word="play">play</span> <span word="in">in</span> <span word="the">the</span> <span word="human">human</span> <span word="body">body</span>? <span word="B">B</span> <span word="To">To</span> <span word="raise">raise</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="immunity">immunity</span> <span word="against">against</span> <span word="infection">infection</span>. <span word="D">D</span> <span word="To">To</span> <span word="help">help</span> <span word="prevent">prevent</span> <span word="the">the</span> <span word="development">development</span> <span word="of">of</span> <span word="diabetes">diabetes</span>. <span word="A">A</span> <span word="Less">Less</span> <span word="than">than</span>8%. <span word="C">C</span> 1.5%. 答案： <span word="C">C</span>,<span word="D">D</span>,<span word="A">A</span>,<span word="B">B</span>,<span word="A">A</span> </p>
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