SAT写作素材——发明创造
<p> <span word="SAT">SAT</span>考试的一个主要组成部分就是<span word="SAT">SAT</span>写作，而写作也常常是一件令人头疼的事情，尤其在文章中需要举例说明问题的时候，很多学生往往很苦恼，接下来我们来看<span word="SAT">SAT</span>写作中常用的例证素材发明创造。</p><p> 1879: <span word="Incandescent">Incandescent</span> <span word="lamp">lamp</span></p><p> <span word="In">In</span> 1879, <span word="after">after</span> <span word="more">more</span> <span word="than">than</span> 1,000 <span word="trials">trials</span> <span word="and">and</span> $40,000, <span word="Thomas">Thomas</span> <span word="Edison">Edison</span> <span word="introduced">introduced</span> <span word="an">an</span> <span word="inexpensive">inexpensive</span> <span word="alternative">alternative</span> <span word="to">to</span> <span word="candles">candles</span> <span word="and">and</span> <span word="gaslight">gaslight</span>: <span word="the">the</span> <span word="incandescent">incandescent</span> <span word="lamp">lamp</span>. <span word="Using">Using</span> <span word="carbonized">carbonized</span> <span word="filaments">filaments</span> <span word="from">from</span> <span word="cotton">cotton</span> <span word="thread">thread</span>, <span word="his">his</span> <span word="light">light</span> <span word="bulb">bulb</span> <span word="burned">burned</span> <span word="for">for</span> <span word="two">two</span> <span word="days">days</span>. <span word="These">These</span> <span word="bulbs">bulbs</span> <span word="were">were</span> <span word="first">first</span> <span word="installed">installed</span> <span word="on">on</span> <span word="the">the</span> <span word="steamship">steamship</span> <span word="Columbia">Columbia</span> <span word="and">and</span> <span word="have">have</span> <span word="been">been</span> <span word="lighting">lighting</span> <span word="up">up</span> <span word="the">the</span> <span word="world">world</span> <span word="ever">ever</span> <span word="since">since</span>.</p><p> 1903:<span word="First">First</span> <span word="powered">powered</span> <span word="flight">flight</span></p><p> <span word="Orville">Orville</span> <span word="Wright">Wright</span> <span word="took">took</span> <span word="off">off</span> <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="powered">powered</span> <span word="flight">flight</span> <span word="in">in</span> <span word="history">history</span> <span word="in">in</span> 1903 <span word="with">with</span> <span word="the">the</span> <span word="help">help</span> <span word="of">of</span> <span word="his">his</span> <span word="brother">brother</span>, <span word="Wilbur">Wilbur</span>. <span word="By">By</span> 1905, <span word="the">the</span> <span word="Wright">Wright</span> <span word="brothers">brothers</span> <span word="had">had</span> <span word="completed">completed</span> <span word="the">the</span> <span word="first">first</span> <span word="practical">practical</span> <span word="airplane">airplane</span> <span word="for">for</span> <span word="public">public</span> <span word="use">use</span>. <span word="Since">Since</span> <span word="the">the</span> <span word="advent">advent</span> <span word="of">of</span> <span word="airplanes">airplanes</span>, <span word="the">the</span> <span word="world">world</span> <span word="has">has</span> <span word="experienced">experienced</span> <span word="a">a</span> <span word="rapid">rapid</span> <span word="merging">merging</span> <span word="of">of</span> <span word="cultures">cultures</span>, <span word="ideas">ideas</span> <span word="and">and</span> <span word="resources">resources</span>.</p><p> 1908:<span word="Fords">Fords</span> <span word="Model">Model</span> <span word="T">T</span></p><p> <span word="At">At</span> $850, <span word="the">the</span> <span word="worlds">worlds</span> <span word="first">first</span> <span word="automobile">automobile</span> <span word="proved">proved</span> <span word="to">to</span> <span word="be">be</span> <span word="an">an</span> <span word="invaluable">invaluable</span> <span word="bargain">bargain</span> <span word="for">for</span> <span word="farmers">farmers</span> <span word="and">and</span> <span word="city">city</span> <span word="dwellers">dwellers</span> <span word="alike">alike</span>. <span word="And">And</span> <span word="with">with</span> <span word="Henry">Henry</span> <span word="Fords">Fords</span> <span word="introduction">introduction</span> <span word="of">of</span> <span word="the">the</span> <span word="revolutionary">revolutionary</span> <span word="assembly">assembly</span> <span word="line">line</span>, <span word="the">the</span> <span word="volume">volume</span> <span word="of">of</span> <span word="sales">sales</span> <span word="increased">increased</span> <span word="dramatically">dramatically</span>, <span word="bringing">bringing</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> <span word="the">the</span> <span word="Model">Model</span> <span word="T">T</span>, <span word="also">also</span> <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="Tin">Tin</span> <span word="Lizzie">Lizzie</span>, <span word="to">to</span> <span word="just">just</span> $525.</p><p> 1712: <span word="Newcomens">Newcomens</span> <span word="steam">steam</span> <span word="engine">engine</span></p><p> <span word="Although">Although</span> <span word="each">each</span> <span word="separate">separate</span> <span word="component">component</span> <span word="of">of</span> <span word="a">a</span> <span word="modern">modern</span> <span word="steam">steam</span> <span word="engine">engine</span> <span word="had">had</span> <span word="already">already</span> <span word="been">been</span> <span word="invented">invented</span> <span word="by">by</span> <span word="the">the</span> <span word="year">year</span> 1712, <span word="the">the</span> <span word="first">first</span> <span word="person">person</span> <span word="to">to</span> <span word="tie">tie</span> <span word="all">all</span> <span word="of">of</span> <span word="these">these</span> <span word="elements">elements</span> <span word="together">together</span> <span word="was">was</span> <span word="Thomas">Thomas</span> <span word="Newcomen">Newcomen</span>, <span word="an">an</span> <span word="English">English</span> <span word="blacksmith">blacksmith</span>. <span word="The">The</span> <span word="steam">steam</span> <span word="engine">engine</span> <span word="not">not</span> <span word="only">only</span> <span word="provided">provided</span> <span word="an">an</span> <span word="immense">immense</span> <span word="source">source</span> <span word="of">of</span> <span word="power">power</span> <span word="and">and</span> <span word="energy">energy</span>, <span word="but">but</span>, <span word="along">along</span> <span word="with">with</span> <span word="James">James</span> <span word="Watts">Watts</span> <span word="improvements">improvements</span> <span word="in">in</span> 1769, <span word="also">also</span> <span word="paved">paved</span> <span word="the">the</span> <span word="way">way</span> <span word="for">for</span> <span word="the">the</span> <span word="Industrial">Industrial</span> <span word="Revolution">Revolution</span> <span word="and">and</span> <span word="the">the</span> <span word="move">move</span> <span word="from">from</span> <span word="an">an</span> <span word="agrarian">agrarian</span> <span word="society">society</span> <span word="to">to</span> <span word="life">life</span> <span word="in">in</span> <span word="a">a</span> <span word="city">city</span>.</p>
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