阅读理解考试《综合类》职称英语练习题以及答案(3)
<p> <span word="Ulcers">Ulcers</span></p><p> <span word="Even">Even</span> <span word="though">though</span> <span word="ulcers">ulcers</span> <span word="appear">appear</span> <span word="to">to</span> <span word="run">run</span> <span word="in">in</span> <span word="families">families</span>, <span word="lifestyle">lifestyle</span> <span word="plays">plays</span> <span word="more">more</span> <span word="of">of</span> <span word="a">a</span> <span word="role">role</span> <span word="than">than</span> <span word="genetic">genetic</span> <span word="factors">factors</span> <span word="in">in</span> <span word="causing">causing</span> <span word="the">the</span> <span word="illness">illness</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="report">report</span> <span word="in">in</span> <span word="the">the</span> <span word="April">April</span> 13<span word="th">th</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Internal">Internal</span> <span word="Medicine">Medicine</span>. <span word="In">In</span> <span word="particular">particular</span>, <span word="smoking">smoking</span> <span word="and">and</span> <span word="stress">stress</span> <span word="in">in</span> <span word="men">men</span> <span word="and">and</span> <span word="the">the</span> <span word="regular">regular</span> <span word="use">use</span> <span word="of">of</span> <span word="pain">pain</span>-<span word="releasing">releasing</span> <span word="medicines">medicines</span> <span word="in">in</span> <span word="women">women</span> <span word="were">were</span> <span word="linked">linked</span> <span word="with">with</span> <span word="an">an</span> <span word="increased">increased</span> <span word="risk">risk</span> <span word="of">of</span> <span word="developing">developing</span> <span word="an">an</span> <span word="ulcer">ulcer</span>.</p><p> <span word="Overall">Overall</span>, 61% <span word="of">of</span> <span word="ulcer">ulcer</span> <span word="risk">risk</span> <span word="appears">appears</span> <span word="to">to</span> <span word="be">be</span> <span word="due">due</span> <span word="to">to</span> <span word="environmental">environmental</span> <span word="factors">factors</span>, <span word="such">such</span> <span word="as">as</span> <span word="smoking">smoking</span>, <span word="and">and</span> <span word="the">the</span> <span word="remaining">remaining</span> 39% <span word="is">is</span> <span word="due">due</span> <span word="to">to</span> <span word="genes">genes</span> <span word="according">according</span> <span word="to">to</span> <span word="Dr">Dr</span>. <span word="Ismo">Ismo</span> <span word="Raiha">Raiha</span> <span word="of">of</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Turky">Turky</span> <span word="and">and</span> <span word="colleagues">colleagues</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Helsinki">Helsinki</span>, <span word="Finland">Finland</span>. <span word="Some">Some</span> <span word="researchers">researchers</span> <span word="had">had</span> <span word="suggested">suggested</span> <span word="that">that</span> <span word="families">families</span> <span word="may">may</span> <span word="spread">spread</span> <span word="Helicobacteria">Helicobacteria</span> <span word="pylori">pylori</span>, <span word="the">the</span> <span word="bacteria">bacteria</span> <span word="that">that</span> <span word="can">can</span> <span word="cause">cause</span> <span word="ulcers">ulcers</span>. <span word="However">However</span>, <span word="the">the</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span> <span word="this">this</span> <span word="is">is</span> <span word="unlikely">unlikely</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="report">report</span>.</p><p> <span word="Raiha">Raiha</span> <span word="and">and</span> <span word="colleagues">colleagues</span> <span word="studied">studied</span> <span word="data">data</span> <span word="from">from</span> <span word="more">more</span> <span word="than">than</span> 13,000 <span word="pairs">pairs</span> <span word="of">of</span> <span word="twins">twins</span> <span word="to">to</span> <span word="examine">examine</span> <span word="the">the</span> <span word="roles">roles</span> <span word="of">of</span> <span word="genetic">genetic</span> <span word="and">and</span> <span word="environmental">environmental</span> <span word="factors">factors</span> <span word="in">in</span> <span word="the">the</span> <span word="origin">origin</span> <span word="of">of</span> <span word="peptic">peptic</span> <span word="ulcer">ulcer</span> <span word="disease">disease</span>, <span word="they">they</span> <span word="explain">explain</span>. <span word="Both">Both</span> <span word="twins">twins</span> <span word="were">were</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="develop">develop</span> <span word="an">an</span> <span word="ulcer">ulcer</span> <span word="if">if</span> <span word="the">the</span> <span word="pair">pair</span> <span word="were">were</span> <span word="genetically">genetically</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="compared">compared</span> <span word="with">with</span> <span word="a">a</span> <span word="pair">pair</span> <span word="of">of</span> <span word="fraternal">fraternal</span> <span word="twins">twins</span>, <span word="suggesting">suggesting</span> <span word="that">that</span> <span word="there">there</span> <span word="must">must</span> <span word="be">be</span> <span word="some">some</span> <span word="genetic">genetic</span> <span word="susceptibility">susceptibility</span> <span word="to">to</span> <span word="ulcer">ulcer</span> <span word="development">development</span>.</p><p> <span word="However">However</span>, <span word="the">the</span> <span word="risk">risk</span> <span word="was">was</span> <span word="no">no</span> <span word="greater">greater</span> <span word="in">in</span> <span word="twins">twins</span> <span word="living">living</span> <span word="together">together</span> <span word="compared">compared</span> <span word="with">with</span> <span word="twins">twins</span> <span word="living">living</span> <span word="apart">apart</span>, <span word="suggesting">suggesting</span> <span word="that">that</span> <span word="shared">shared</span> <span word="exposure">exposure</span> <span word="to">to</span> <span word="H">H</span>. <span word="pylori">pylori</span> <span word="was">was</span> <span word="not">not</span> <span word="to">to</span> <span word="blame">blame</span>. <span word="Environment">Environment</span> <span word="effects">effects</span> <span word="were">were</span> <span word="not">not</span> <span word="due">due</span> <span word="to">to</span> <span word="factors">factors</span> <span word="shared">shared</span> <span word="by">by</span> <span word="family">family</span> <span word="members">members</span>, <span word="and">and</span> <span word="they">they</span> <span word="were">were</span> <span word="related">related</span> <span word="to">to</span> <span word="smoking">smoking</span> <span word="and">and</span> <span word="stress">stress</span> <span word="in">in</span> <span word="men">men</span> <span word="and">and</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="analgesics">analgesics</span> <span word="in">in</span> <span word="women">women</span>, <span word="the">the</span> <span word="authors">authors</span> <span word="wrote">wrote</span>. <span word="The">The</span> <span word="minor">minor</span> <span word="effects">effects</span> <span word="of">of</span> <span word="shared">shared</span> <span word="environment">environment</span> <span word="to">to</span> <span word="disease">disease</span> <span word="liability">liability</span> <span word="do">do</span> <span word="not">not</span> <span word="support">support</span> <span word="the">the</span> <span word="concept">concept</span> <span word="that">that</span> <span word="the">the</span> <span word="grouping">grouping</span> <span word="of">of</span> <span word="risk">risk</span> <span word="factors">factors</span>, <span word="such">such</span> <span word="as">as</span> <span word="H">H</span>. <span word="pylori">pylori</span> <span word="infection">infection</span>, <span word="would">would</span> <span word="explain">explain</span> <span word="the">the</span> <span word="genetic">genetic</span> <span word="factor">factor</span> <span word="of">of</span> <span word="peptic">peptic</span> <span word="ulcer">ulcer</span> <span word="disease">disease</span>, <span word="they">they</span> <span word="concluded">concluded</span>.</p>
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