海豚
<p> 海豚</p><p> 大海里住着许多智力发达、身体强健的动物，海豚就是其中之一。它反应灵敏、动作迅速，让那些研究它们行为的人们深感震惊。海豚拥有一些与其它海洋生物不同的地方，它的优势不在于它的力量和速度，而在于它的大脑。海豚的大脑与人脑大小一样大。它们的寿命很长。</p><p> 海豚在水里生育，它们能长到三点五米长。</p><p> 海豚利用声音帮助自己认路、觅食与彼此之间交谈。声音就像它们的眼睛和嘴一样。</p><p> <span word="dolphin">dolphin</span></p><p> <span word="in">in</span> <span word="the">the</span> <span word="vast">vast</span> <span word="ocean">ocean</span> <span word="live">live</span> <span word="many">many</span> <span word="creatures">creatures</span> <span word="with">with</span> <span word="great">great</span> <span word="intellectual">intellectual</span> <span word="and">and</span> <span word="physical">physical</span> <span word="capacities">capacities</span>. <span word="dolphin">dolphin</span> <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="those">those</span> <span word="great">great</span> <span word="creatures">creatures</span>, <span word="whose">whose</span> <span word="capacities">capacities</span> <span word="to">to</span> <span word="think">think</span> <span word="and">and</span> <span word="move">move</span> <span word="at">at</span> <span word="an">an</span> <span word="astounding">astounding</span> <span word="rate">rate</span> <span word="puzzle">puzzle</span> <span word="those">those</span> <span word="who">who</span> <span word="study">study</span> <span word="their">their</span> <span word="behaviors">behaviors</span>, <span word="dolphins">dolphins</span> <span word="possess">possess</span> <span word="something">something</span> <span word="that">that</span> <span word="makes">makes</span> <span word="them">them</span> <span word="different">different</span> <span word="from">from</span> <span word="all">all</span> <span word="the">the</span> <span word="other">other</span> <span word="sea">sea</span> <span word="creatures">creatures</span>. <span word="it">it</span> <span word="is">is</span> <span word="not">not</span> <span word="strength">strength</span> <span word="or">or</span> <span word="speed">speed</span> <span word="but">but</span> <span word="the">the</span> <span word="size">size</span> <span word="of">of</span> <span word="their">their</span> <span word="brains">brains</span>. <span word="dolphin">dolphin</span> <span word="s">s</span> <span word="brain">brain</span> <span word="is">is</span> <span word="almost">almost</span> <span word="the">the</span> <span word="same">same</span> <span word="size">size</span> <span word="as">as</span> <span word="that">that</span> <span word="found">found</span> <span word="in">in</span> <span word="the">the</span> <span word="human">human</span> <span word="head">head</span>. <span word="they">they</span> <span word="live">live</span> <span word="for">for</span> <span word="a">a</span> <span word="ling">ling</span> <span word="time">time</span>.</p><p> <span word="dolphin">dolphin</span>s babies are born in the water. they can grow up to three and a half meters long.</p><p> <span word="dolopins">dolopins</span> <span word="use">use</span> <span word="sound">sound</span> <span word="to">to</span> <span word="help">help</span> <span word="them">them</span> <span word="find">find</span> <span word="their">their</span> <span word="way">way</span>, <span word="look">look</span> <span word="for">for</span> <span word="their">their</span> <span word="food">food</span> <span word="and">and</span> <span word="talk">talk</span> <span word="with">with</span> <span word="each">each</span> <span word="other">other</span>. <span word="sound">sound</span> <span word="is">is</span> <span word="just">just</span> <span word="like">like</span> <span word="their">their</span> <span word="eyes">eyes</span> <span word="and">and</span> <span word="mouths">mouths</span>.</p><p> </p>
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