2013托业考试阅读材料：和细菌游泳
<p> <span word="How">How</span> <span word="clean">clean</span> <span word="is">is</span> <span word="the">the</span> <span word="average">average</span> <span word="backyard">backyard</span> <span word="pool">pool</span> <span word="is">is</span>? <span word="Find">Find</span> <span word="out">out</span> <span word="on">on</span> <span word="this">this</span> <span word="Moment">Moment</span> <span word="of">of</span> <span word="Science">Science</span>.</p><p> <span word="Everybody">Everybody</span> <span word="loves">loves</span> <span word="the">the</span> <span word="swimming">swimming</span> <span word="pool">pool</span>. <span word="But">But</span> <span word="how">how</span> <span word="clean">clean</span> <span word="is">is</span> <span word="the">the</span> <span word="water">water</span> <span word="in">in</span> <span word="the">the</span> <span word="average">average</span> <span word="backyard">backyard</span> <span word="or">or</span> <span word="public">public</span> <span word="pool">pool</span>? <span word="If">If</span> <span word="you">you</span> <span word="trust">trust</span> (1)<span word="chlorine">chlorine</span> <span word="to">to</span> <span word="take">take</span> <span word="care">care</span> <span word="of">of</span> <span word="germs">germs</span>, <span word="youre">youre</span> <span word="in">in</span> <span word="for">for</span> <span word="a">a</span> <span word="surprise">surprise</span>.</p><p> <span word="Chlorine">Chlorine</span> <span word="and">and</span> <span word="other">other</span> (2)<span word="disinfectants">disinfectants</span> <span word="do">do</span> <span word="indeed">indeed</span> <span word="help">help</span> <span word="to">to</span> <span word="clean">clean</span> <span word="the">the</span> <span word="water">water</span>, <span word="but">but</span> <span word="some">some</span> <span word="germs">germs</span> <span word="can">can</span> <span word="survive">survive</span> <span word="in">in</span> <span word="even">even</span> <span word="the">the</span> <span word="best">best</span>-<span word="kept">kept</span> <span word="pool">pool</span>. <span word="For">For</span> <span word="example">example</span>, (3)<span word="cryptosporidium">cryptosporidium</span> <span word="may">may</span> <span word="live">live</span> <span word="in">in</span> <span word="pool">pool</span> <span word="water">water</span> <span word="for">for</span> <span word="several">several</span> <span word="days">days</span>. <span word="Crypto">Crypto</span> <span word="causes">causes</span> <span word="a">a</span> (4)<span word="diarrheal">diarrheal</span> <span word="illness">illness</span> <span word="and">and</span> <span word="may">may</span> (5)<span word="rinse">rinse</span> <span word="off">off</span> <span word="the">the</span> <span word="bodies">bodies</span> <span word="of">of</span> <span word="infected">infected</span> <span word="people">people</span> <span word="or">or</span> (6)<span word="diapered">diapered</span> <span word="children">children</span> <span word="into">into</span> <span word="the">the</span> <span word="pool">pool</span>. <span word="If">If</span> <span word="you">you</span> <span word="swallow">swallow</span> <span word="infected">infected</span> <span word="pool">pool</span> <span word="water">water</span>, <span word="you">you</span> <span word="may">may</span> <span word="become">become</span> <span word="sick">sick</span>.</p><p> <span word="Other">Other</span> <span word="germs">germs</span> <span word="may">may</span> <span word="live">live</span> <span word="for">for</span> <span word="a">a</span> <span word="few">few</span> <span word="minutes">minutes</span> <span word="or">or</span> <span word="a">a</span> <span word="few">few</span> <span word="hours">hours</span> <span word="in">in</span> <span word="a">a</span> <span word="chlorinated">chlorinated</span> <span word="pool">pool</span>: <span word="Giardia">Giardia</span>(鞭毛虫), <span word="Shigella">Shigella</span>(志贺氏菌), <span word="and">and</span> <span word="E">E</span>. <span word="Coli">Coli</span>(大肠杆菌) <span word="may">may</span> <span word="cause">cause</span> <span word="diarrheal">diarrheal</span> <span word="illnesses">illnesses</span>. <span word="Pseudomonas">Pseudomonas</span> <span word="Aeruginosa">Aeruginosa</span>(绿脓杆菌) <span word="may">may</span> <span word="cause">cause</span> <span word="an">an</span> <span word="ear">ear</span> <span word="infection">infection</span> <span word="called">called</span> <span word="swimmers">swimmers</span> <span word="ear">ear</span> <span word="and">and</span> <span word="also">also</span> <span word="a">a</span> <span word="skin">skin</span> <span word="infection">infection</span> <span word="called">called</span> <span word="hot">hot</span> <span word="tub">tub</span> <span word="rash">rash</span>(热浴池皮疹), <span word="that">that</span> <span word="is">is</span> <span word="usually">usually</span> <span word="associated">associated</span> <span word="with">with</span> <span word="very">very</span> <span word="warm">warm</span> <span word="pools">pools</span> <span word="and">and</span> <span word="spas">spas</span>.</p><p> <span word="While">While</span> <span word="keeping">keeping</span> <span word="the">the</span> <span word="correct">correct</span> <span word="chlorine">chlorine</span> <span word="and">and</span> <span word="ph">ph</span> <span word="levels">levels</span> <span word="will">will</span> <span word="minimize">minimize</span> (7)<span word="water">water</span>-<span word="borne">borne</span> <span word="illness">illness</span>, <span word="prevention">prevention</span> <span word="is">is</span> <span word="also">also</span> <span word="a">a</span> <span word="good">good</span> <span word="idea">idea</span>. <span word="Keep">Keep</span> <span word="diapered">diapered</span> <span word="children">children</span> <span word="in">in</span> <span word="the">the</span> <span word="water">water</span> <span word="for">for</span> <span word="only">only</span> <span word="brief">brief</span> <span word="periods">periods</span> <span word="and">and</span> <span word="keep">keep</span> <span word="sick">sick</span> <span word="people">people</span> <span word="out">out</span> <span word="of">of</span> <span word="the">the</span> <span word="water">water</span> <span word="altogether">altogether</span>. <span word="And">And</span>, <span word="dont">dont</span> <span word="ever">ever</span> <span word="swallow">swallow</span> <span word="pool">pool</span> <span word="water">water</span>.</p><p> 译文：</p><p> 和细菌游泳</p><p> 每个人都喜欢游泳池。但是在一般的后院和游泳池的水有多清洁呢?如果你相信氯可以制服细菌，那么接下来的就会让你惊奇。</p>
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