沾不湿的纸
<p>今天，我走在上学的路上，心想：今天又会做什么样的游戏呢？到了学校，我才知道今天要玩“沾不湿的纸”的游戏。纸怎么可能会沾不湿呢？那就让我们来看一下吧！</p><p><span word="Today">Today</span>, <span word="I">I</span> <span word="was">was</span> <span word="on">on</span> <span word="my">my</span> <span word="way">way</span> <span word="to">to</span> <span word="school">school</span>, <span word="thinking">thinking</span>: <span word="what">what</span> <span word="kind">kind</span> <span word="of">of</span> <span word="game">game</span> <span word="will">will</span> <span word="I">I</span> <span word="play">play</span> <span word="today">today</span>? <span word="When">When</span> <span word="I">I</span> <span word="got">got</span> <span word="to">to</span> <span word="school">school</span>, <span word="I">I</span> <span word="knew">knew</span> <span word="that">that</span> <span word="I">I</span> <span word="would">would</span> <span word="play">play</span> <span word="the">the</span> <span word="game">game</span> <span word="of">of</span> "<span word="wet">wet</span> <span word="paper">paper</span>" <span word="today">today</span>. <span word="How">How</span> <span word="can">can</span> <span word="the">the</span> <span word="paper">paper</span> <span word="not">not</span> <span word="get">get</span> <span word="wet">wet</span>? <span word="Let">Let</span>'<span word="s">s</span> <span word="have">have</span> <span word="a">a</span> <span word="look">look</span>!</p><p>叮铃铃，上课了，只见讲台前放着一大桶水，然后，我帮杜老师把水桶抬到讲桌上，杜老师又拿来一个杯子和三张从旧拼音本上撕下来的纸，把那三张纸揉成一个团，塞进杯子里，用铅笔捅了捅，直到不掉下来为止，又慢慢地把杯子倒过来往下压，这时，杜老师卖了个关子，问我们：“你们猜，纸湿了吗？”有的同学说湿了，有的同学说没湿。杜老师拿出杯子来，又用两只手指把纸夹出来，同学们一把抢过来摸了摸，居然没湿！我们感到很奇怪，杜老师告诉我们:“往下压时，有一部分空气留在了杯子内，空气把水和纸隔开了，所以纸没湿。”原来是科学道理，我们一直以为是杜老师会变魔术呢！</p><p><span word="Jingling">Jingling</span> <span word="bell">bell</span>. <span word="After">After</span> <span word="class">class</span>, <span word="I">I</span> <span word="saw">saw</span> <span word="a">a</span> <span word="big">big</span> <span word="bucket">bucket</span> <span word="of">of</span> <span word="water">water</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="the">the</span> <span word="platform">platform</span>. <span word="Then">Then</span> <span word="I">I</span> <span word="helped">helped</span> <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="to">to</span> <span word="lift">lift</span> <span word="the">the</span> <span word="bucket">bucket</span> <span word="to">to</span> <span word="the">the</span> <span word="desk">desk</span>. <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="took">took</span> <span word="another">another</span> <span word="cup">cup</span> <span word="and">and</span> <span word="three">three</span> <span word="pieces">pieces</span> <span word="of">of</span> <span word="paper">paper</span> <span word="torn">torn</span> <span word="from">from</span> <span word="the">the</span> <span word="old">old</span> <span word="Pinyin">Pinyin</span> <span word="book">book</span>, <span word="crumpled">crumpled</span> <span word="the">the</span> <span word="three">three</span> <span word="pieces">pieces</span> <span word="of">of</span> <span word="paper">paper</span> <span word="into">into</span> <span word="a">a</span> <span word="ball">ball</span>, <span word="put">put</span> <span word="them">them</span> <span word="into">into</span> <span word="the">the</span> <span word="cup">cup</span>, <span word="poked">poked</span> <span word="them">them</span> <span word="with">with</span> <span word="a">a</span> <span word="pencil">pencil</span> <span word="until">until</span> <span word="they">they</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="fall">fall</span> <span word="off">off</span>, <span word="and">and</span> <span word="slowly">slowly</span> <span word="poured">poured</span> <span word="the">the</span> <span word="cup">cup</span> <span word="down">down</span>. <span word="At">At</span> <span word="this">this</span> <span word="time">time</span>, <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="sold">sold</span> <span word="them">them</span> <span word="Then">Then</span> <span word="he">he</span> <span word="asked">asked</span> <span word="us">us</span>, "<span word="guess">guess</span>, <span word="is">is</span> <span word="the">the</span> <span word="paper">paper</span> <span word="wet">wet</span>?" <span word="Some">Some</span> <span word="students">students</span> <span word="say">say</span> <span word="it">it</span>'<span word="s">s</span> <span word="wet">wet</span>, <span word="some">some</span> <span word="say">say</span> <span word="it">it</span>'<span word="s">s</span> <span word="not">not</span>. <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="took">took</span> <span word="out">out</span> <span word="the">the</span> <span word="cup">cup</span>, <span word="and">and</span> <span word="then">then</span> <span word="used">used</span> <span word="two">two</span> <span word="fingers">fingers</span> <span word="to">to</span> <span word="clip">clip</span> <span word="out">out</span> <span word="the">the</span> <span word="paper">paper</span>. <span word="The">The</span> <span word="students">students</span> <span word="grabbed">grabbed</span> <span word="it">it</span> <span word="and">and</span> <span word="touched">touched</span> <span word="it">it</span>, <span word="but">but</span> <span word="it">it</span> <span word="wasn">wasn</span>'<span word="t">t</span> <span word="wet">wet</span>! <span word="We">We</span> <span word="feel">feel</span> <span word="very">very</span> <span word="strange">strange</span>, <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="told">told</span> <span word="us">us</span>: "<span word="when">when</span> <span word="we">we</span> <span word="press">press</span> <span word="down">down</span>, <span word="some">some</span> <span word="air">air</span> <span word="is">is</span> <span word="left">left</span> <span word="in">in</span> <span word="the">the</span> <span word="cup">cup</span>. <span word="The">The</span> <span word="air">air</span> <span word="separates">separates</span> <span word="the">the</span> <span word="water">water</span> <span word="from">from</span> <span word="the">the</span> <span word="paper">paper</span>, <span word="so">so</span> <span word="the">the</span> <span word="paper">paper</span> <span word="is">is</span> <span word="not">not</span> <span word="wet">wet</span>." <span word="It">It</span> <span word="turned">turned</span> <span word="out">out</span> <span word="to">to</span> <span word="be">be</span> <span word="scientific">scientific</span>. <span word="We">We</span> <span word="always">always</span> <span word="thought">thought</span> <span word="that">that</span> <span word="Mr">Mr</span>. <span word="Du">Du</span> <span word="could">could</span> <span word="do">do</span> <span word="magic">magic</span>!</p>
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