职称英语理工类的B级阅读理解练习题(1)
<p> <span word="Drug">Drug</span> <span word="Resistancet">Resistancet</span> <span word="Fades">Fades</span> <span word="Quickly">Quickly</span> <span word="in">in</span> <span word="Key">Key</span> <span word="Aids">Aids</span>2 <span word="Drug">Drug</span> <span word="One">One</span> <span word="of">of</span> <span word="the">the</span> <span word="main">main</span> <span word="weapons">weapons</span> <span word="to">to</span> <span word="prevent">prevent</span> <span word="mother">mother</span>-<span word="to">to</span>-<span word="child">child</span> <span word="transmission">transmission</span> <span word="of">of</span> <span word="the">the</span> <span word="AIDS">AIDS</span> <span word="virus">virus</span> <span word="during">during</span> <span word="birth">birth</span> <span word="is">is</span> <span word="the">the</span> <span word="drug">drug</span> <span word="nevirapine">nevirapine</span>3. <span word="But">But</span> <span word="when">when</span> <span word="nevirapine">nevirapine</span> <span word="is">is</span> <span word="used">used</span> <span word="alone">alone</span> <span word="just">just</span> <span word="once">once</span>, <span word="HIV">HIV</span>4 <span word="starts">starts</span> <span word="becoming">becoming</span> <span word="resistant">resistant</span> <span word="to">to</span> <span word="it">it</span>. <span word="Research">Research</span> <span word="in">in</span> <span word="Botswana">Botswana</span> <span word="shows">shows</span> <span word="that">that</span> <span word="the">the</span> <span word="resistance">resistance</span> <span word="is">is</span> <span word="not">not</span> <span word="long">long</span> <span word="lasting">lasting</span> <span word="and">and</span> <span word="that">that</span> <span word="this">this</span> <span word="affordable">affordable</span> <span word="drug">drug</span> <span word="does">does</span> <span word="not">not</span> <span word="have">have</span> <span word="to">to</span> <span word="be">be</span> <span word="abandoned">abandoned</span> <span word="forever">forever</span> <span word="by">by</span> <span word="infected">infected</span> <span word="mothers">mothers</span> <span word="who">who</span> <span word="have">have</span> <span word="already">already</span> <span word="taken">taken</span> <span word="it">it</span>. <span word="The">The</span> <span word="problem">problem</span> <span word="is">is</span> <span word="that">that</span> <span word="HIV">HIV</span> <span word="resistance">resistance</span> <span word="builds">builds</span> <span word="against">against</span> <span word="it">it</span> <span word="quickly">quickly</span> <span word="when">when</span> <span word="used">used</span> <span word="alone">alone</span> <span word="just">just</span> <span word="once">once</span> <span word="because">because</span> <span word="other">other</span> <span word="drugs">drugs</span> <span word="are">are</span> <span word="not">not</span> <span word="present">present</span> <span word="to">to</span> <span word="kill">kill</span> <span word="the">the</span> <span word="virus">virus</span> <span word="particles">particles</span> <span word="that">that</span> <span word="survive">survive</span> <span word="nevirapine">nevirapine</span>. <span word="This">This</span> <span word="renders">renders</span> <span word="the">the</span> <span word="drug">drug</span> <span word="less">less</span> <span word="effective">effective</span> <span word="in">in</span> <span word="later">later</span> <span word="combinations">combinations</span> <span word="for">for</span> <span word="treating">treating</span> <span word="women">women</span> <span word="after">after</span> <span word="their">their</span> <span word="baby">baby</span> <span word="is">is</span> <span word="born">born</span>. <span word="But">But</span> <span word="the">the</span> <span word="new">new</span> <span word="study">study</span> <span word="from">from</span> <span word="Botswana">Botswana</span> <span word="shows">shows</span> <span word="that">that</span> <span word="nevirapine">nevirapine</span> <span word="can">can</span> <span word="make">make</span> <span word="a">a</span> <span word="comeback">comeback</span> <span word="for">for</span> <span word="these">these</span> <span word="women">women</span> <span word="if">if</span> <span word="they">they</span> <span word="wait">wait</span> <span word="until">until</span> <span word="the">the</span> <span word="resistance">resistance</span> <span word="subsides">subsides</span>. <span word="The">The</span> <span word="study">study</span> <span word="published">published</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="oJ">oJ</span> <span word="Medicine">Medicine</span>9 <span word="shows">shows</span> <span word="that">that</span> <span word="waiting">waiting</span> <span word="at">at</span> <span word="least">least</span> <span word="six">six</span> <span word="months">months</span> <span word="means">means</span> <span word="that">that</span> <span word="HIV">HIV</span>-<span word="positive">positive</span> <span word="women">women</span> <span word="are">are</span> 70 <span word="percent">percent</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="benefit">benefit</span> <span word="from">from</span> <span word="nevirapine">nevirapine</span>-<span word="based">based</span> <span word="drug">drug</span> <span word="combinations">combinations</span> <span word="again">again</span> <span word="than">than</span> <span word="women">women</span> <span word="who">who</span> <span word="get">get</span> <span word="them">them</span> <span word="sooner">sooner</span>. <span word="An">An</span> <span word="official">official</span> <span word="with">with</span> <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>. <span word="government">government</span> <span word="health">health</span> <span word="agency">agency</span> <span word="that">that</span> <span word="helped">helped</span> <span word="fund">fund</span> <span word="the">the</span> <span word="study">study</span> <span word="calls">calls</span> <span word="it">it</span> <span word="very">very</span> <span word="important">important</span>.<span word="www">www</span>.<span word="zcyy">zcyy</span>8.<span word="CoM">CoM</span> <span word="Shahin">Shahin</span> <span word="Lockman">Lockman</span> <span word="in">in</span> <span word="Boston">Boston</span> <span word="says">says</span> <span word="the">the</span> <span word="problem">problem</span> <span word="of">of</span> <span word="nevirapine">nevirapine</span> <span word="resistance">resistance</span> <span word="should">should</span> <span word="diminish">diminish</span> <span word="now">now</span> <span word="that">that</span>12 <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="people">people</span> <span word="are">are</span> <span word="receiving">receiving</span> <span word="combinations">combinations</span> <span word="of">of</span> <span word="AIDS">AIDS</span> <span word="drugs">drugs</span> <span word="under">under</span> <span word="expanded">expanded</span> <span word="U">U</span>. <span word="S">S</span>. <span word="and">and</span> <span word="international">international</span> <span word="programs">programs</span> <span word="to">to</span> <span word="deliver">deliver</span> <span word="them">them</span> <span word="to">to</span> <span word="Africa">Africa</span> <span word="and">and</span> <span word="other">other</span> <span word="regions">regions</span> <span word="hard">hard</span> <span word="hit">hit</span> <span word="by">by</span> <span word="the">the</span> <span word="virus">virus</span>. 1. <span word="What">What</span> <span word="effect">effect</span> <span word="does">does</span> <span word="nevirapine">nevirapine</span> <span word="have">have</span>? <span word="B">B</span> <span word="It">It</span> <span word="is">is</span> <span word="an">an</span> <span word="antiviral">antiviral</span> <span word="preparation">preparation</span> <span word="and">and</span> <span word="kills">kills</span> <span word="all">all</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="viruses">viruses</span>. <span word="D">D</span> <span word="It">It</span> <span word="may">may</span> <span word="prevent">prevent</span> <span word="passing">passing</span> <span word="HIV">HIV</span> <span word="infection">infection</span> <span word="from">from</span> <span word="mothers">mothers</span> <span word="on">on</span> <span word="to">to</span> <span word="their">their</span> <span word="newborns">newborns</span> <span word="during">during</span> <span word="delivery">delivery</span>. <span word="A">A</span> <span word="Because">Because</span> <span word="the">the</span> <span word="drug">drug</span> <span word="is">is</span> <span word="not">not</span> <span word="strong">strong</span> <span word="enough">enough</span> <span word="to">to</span> <span word="kill">kill</span> <span word="all">all</span> <span word="of">of</span> <span word="the">the</span> <span word="HIV">HIV</span> <span word="in">in</span> <span word="the">the</span> <span word="body">body</span>. <span word="C">C</span> <span word="Because">Because</span> <span word="other">other</span> <span word="drugs">drugs</span> <span word="are">are</span> <span word="not">not</span> <span word="present">present</span> <span word="to">to</span> <span word="kill">kill</span> <span word="the">the</span> <span word="virus">virus</span> <span word="particles">particles</span> <span word="that">that</span> <span word="survive">survive</span> <span word="nevirapine">nevirapine</span>. 3. <span word="When">When</span> <span word="may">may</span> <span word="a">a</span> <span word="woman">woman</span> <span word="start">start</span> <span word="her">her</span> <span word="nevirapine">nevirapine</span>-<span word="based">based</span> <span word="treatment">treatment</span> <span word="if">if</span> <span word="she">she</span> <span word="gets">gets</span> <span word="the">the</span> <span word="single">single</span> <span word="dose">dose</span> <span word="of">of</span> <span word="nevirapine">nevirapine</span> <span word="at">at</span> <span word="delivery">delivery</span> ? <span word="B">B</span> <span word="She">She</span> <span word="may">may</span> <span word="start">start</span> <span word="nevirapine">nevirapine</span>-<span word="based">based</span> <span word="treatment">treatment</span> <span word="within">within</span> <span word="six">six</span> <span word="months">months</span> <span word="after">after</span> <span word="her">her</span> <span word="delivery">delivery</span>. <span word="D">D</span> <span word="She">She</span> <span word="may">may</span> <span word="wait">wait</span> <span word="several">several</span> <span word="years">years</span> <span word="so">so</span> <span word="as">as</span> <span word="to">to</span> <span word="achieve">achieve</span> <span word="the">the</span> <span word="best">best</span> <span word="effect">effect</span>. <span word="A">A</span> <span word="lasts">lasts</span> <span word="only">only</span> <span word="for">for</span> <span word="about">about</span> <span word="a">a</span> <span word="half">half</span> <span word="year">year</span> <span word="and">and</span> <span word="fades">fades</span> <span word="quickly">quickly</span>. <span word="C">C</span> <span word="is">is</span> <span word="a">a</span> <span word="terrible">terrible</span> <span word="drug">drug</span> <span word="that">that</span> <span word="must">must</span> <span word="be">be</span> <span word="banned">banned</span> <span word="at">at</span> <span word="once">once</span>. 5. <span word="Generally">Generally</span> <span word="speaking">speaking</span>, <span word="the">the</span> <span word="authors">authors</span> <span word="attitude">attitude</span> <span word="towards">towards</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="nevirapine">nevirapine</span> <span word="is">is</span> <span word="B">B</span> <span word="positive">positive</span> <span word="D">D</span> <span word="doubtful">doubtful</span> </p>
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