2010年6月英语六级考试的标准阅读第6篇
<p> 第六篇</p><p> <span word="Without">Without</span> <span word="regular">regular</span> <span word="supplies">supplies</span> <span word="of">of</span> <span word="some">some</span> <span word="hormones">hormones</span> <span word="our">our</span> <span word="capacity">capacity</span> <span word="to">to</span> <span word="behave">behave</span> <span word="would">would</span> <span word="be">be</span> <span word="seriously">seriously</span> <span word="impaired">impaired</span>; <span word="without">without</span> <span word="others">others</span> <span word="we">we</span> <span word="would">would</span> <span word="soon">soon</span> <span word="die">die</span>. <span word="Tiny">Tiny</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="some">some</span> <span word="hormones">hormones</span> <span word="can">can</span> <span word="modify">modify</span> <span word="moods">moods</span> <span word="and">and</span> <span word="actions">actions</span>, <span word="our">our</span> <span word="inclination">inclination</span> <span word="to">to</span> <span word="eat">eat</span> <span word="or">or</span> <span word="drink">drink</span>, <span word="our">our</span> <span word="aggressiveness">aggressiveness</span> <span word="or">or</span> <span word="submissiveness">submissiveness</span>, <span word="and">and</span> <span word="our">our</span> <span word="reproductive">reproductive</span> <span word="and">and</span> <span word="parental">parental</span> <span word="behavior">behavior</span>. <span word="And">And</span> <span word="hormones">hormones</span> <span word="do">do</span> <span word="more">more</span> <span word="than">than</span> <span word="influence">influence</span> <span word="adult">adult</span> <span word="behavior">behavior</span>; <span word="early">early</span> <span word="in">in</span> <span word="life">life</span> <span word="they">they</span> <span word="help">help</span> <span word="to">to</span> <span word="determine">determine</span> <span word="the">the</span> <span word="development">development</span> <span word="of">of</span> <span word="bodily">bodily</span> <span word="form">form</span> <span word="and">and</span> <span word="may">may</span> <span word="even">even</span> <span word="determine">determine</span> <span word="an">an</span> <span word="individuals">individuals</span> <span word="behavioral">behavioral</span> <span word="capacities">capacities</span>. <span word="Later">Later</span> <span word="in">in</span> <span word="life">life</span> <span word="the">the</span> <span word="changing">changing</span> <span word="outputs">outputs</span> <span word="of">of</span> <span word="some">some</span> <span word="endocrine">endocrine</span> <span word="glands">glands</span> <span word="and">and</span> <span word="the">the</span> <span word="bodys">bodys</span> <span word="changing">changing</span> <span word="sensitivity">sensitivity</span> <span word="to">to</span> <span word="some">some</span> <span word="hormones">hormones</span> <span word="are">are</span> <span word="essential">essential</span> <span word="aspects">aspects</span> <span word="of">of</span> <span word="the">the</span> <span word="phenomena">phenomena</span> <span word="of">of</span> <span word="aging">aging</span>.</p><p> <span word="Communication">Communication</span> <span word="within">within</span> <span word="the">the</span> <span word="body">body</span> <span word="and">and</span> <span word="the">the</span> <span word="consequent">consequent</span> <span word="integration">integration</span> <span word="of">of</span> <span word="behavior">behavior</span> <span word="were">were</span> <span word="considered">considered</span> <span word="the">the</span> <span word="exclusive">exclusive</span> <span word="province">province</span> <span word="of">of</span> <span word="the">the</span> <span word="nervous">nervous</span> <span word="system">system</span> <span word="up">up</span> <span word="to">to</span> <span word="the">the</span> <span word="beginning">beginning</span> <span word="of">of</span> <span word="the">the</span> <span word="present">present</span> <span word="century">century</span>. <span word="The">The</span> <span word="emergence">emergence</span> <span word="of">of</span> <span word="endocrinology">endocrinology</span> <span word="as">as</span> <span word="a">a</span> <span word="separate">separate</span> <span word="discipline">discipline</span> <span word="can">can</span> <span word="probably">probably</span> <span word="be">be</span> <span word="traced">traced</span> <span word="to">to</span> <span word="the">the</span> <span word="experiments">experiments</span> <span word="of">of</span> <span word="Bayliss">Bayliss</span> <span word="and">and</span> <span word="Starling">Starling</span> <span word="on">on</span> <span word="the">the</span> <span word="hormone">hormone</span> <span word="secretion">secretion</span>. <span word="This">This</span> <span word="substance">substance</span> <span word="is">is</span> <span word="secreted">secreted</span> <span word="from">from</span> <span word="cells">cells</span> <span word="in">in</span> <span word="the">the</span> <span word="intestinal">intestinal</span> <span word="walls">walls</span> <span word="when">when</span> <span word="food">food</span> <span word="enters">enters</span> <span word="the">the</span> <span word="stomach">stomach</span>; <span word="it">it</span> <span word="travels">travels</span> <span word="through">through</span> <span word="the">the</span> <span word="bloodstream">bloodstream</span> <span word="and">and</span> <span word="stimulates">stimulates</span> <span word="the">the</span> <span word="pancreas">pancreas</span> <span word="to">to</span> <span word="liberate">liberate</span> <span word="pancreatic">pancreatic</span> <span word="juice">juice</span>, <span word="which">which</span> <span word="aids">aids</span> <span word="in">in</span> <span word="digestion">digestion</span>. <span word="By">By</span> <span word="showing">showing</span> <span word="that">that</span> <span word="special">special</span> <span word="cells">cells</span> <span word="secret">secret</span> <span word="chemical">chemical</span> <span word="agents">agents</span> <span word="that">that</span> <span word="are">are</span> <span word="conveyed">conveyed</span> <span word="by">by</span> <span word="the">the</span> <span word="bloodstream">bloodstream</span> <span word="and">and</span> <span word="regulate">regulate</span> <span word="distant">distant</span> <span word="target">target</span> <span word="organs">organs</span> <span word="or">or</span> <span word="tissues">tissues</span>. <span word="Bayliss">Bayliss</span> <span word="and">and</span> <span word="starling">starling</span> <span word="demonstrated">demonstrated</span> <span word="that">that</span> <span word="chemical">chemical</span> <span word="integration">integration</span> <span word="could">could</span> <span word="occur">occur</span> <span word="without">without</span> <span word="participation">participation</span> <span word="of">of</span> <span word="the">the</span> <span word="nervous">nervous</span> <span word="system">system</span>.</p>
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