六级写作快速提高精讲（36）
<p> <span word="The">The</span> <span word="Leaning">Leaning</span> <span word="Tower">Tower</span> <span word="of">of</span> <span word="Pisa">Pisa</span></p><p> <span word="The">The</span> <span word="leaning">leaning</span> <span word="tower">tower</span> <span word="has">has</span> <span word="never">never</span> <span word="been">been</span> <span word="straight">straight</span>. <span word="Not">Not</span> <span word="long">long</span> <span word="after">after</span> <span word="work">work</span> <span word="began">began</span> <span word="in">in</span> 1173, <span word="the">the</span> <span word="foundation">foundation</span> <span word="settled">settled</span> <span word="unevenly">unevenly</span>, <span word="and">and</span> <span word="the">the</span> <span word="tower">tower</span> <span word="started">started</span> <span word="inclining">inclining</span> <span word="toward">toward</span> <span word="the">the</span> <span word="north">north</span>. <span word="Evidence">Evidence</span> <span word="for">for</span> <span word="this">this</span> <span word="initial">initial</span> <span word="incline">incline</span> <span word="can">can</span> <span word="be">be</span> <span word="seen">seen</span> <span word="in">in</span> <span word="the">the</span> <span word="design">design</span> <span word="of">of</span> <span word="the">the</span> <span word="tower">tower</span> <span word="itself">itself</span>: <span word="to">to</span> <span word="keep">keep</span> <span word="the">the</span> <span word="first">first</span> <span word="few">few</span> <span word="stories">stories</span> <span word="level">level</span>, <span word="worker">worker</span>, <span word="make">make</span> <span word="the">the</span> <span word="columns">columns</span> <span word="and">and</span> <span word="arched">arched</span> <span word="of">of</span> <span word="the">the</span> <span word="third">third</span> <span word="story">story</span> <span word="on">on</span> <span word="the">the</span> <span word="sinking">sinking</span> <span word="northern">northern</span> <span word="side">side</span> <span word="just">just</span> <span word="slightly">slightly</span> <span word="taller">taller</span> <span word="than">than</span> <span word="the">the</span> <span word="features">features</span> <span word="on">on</span> <span word="the">the</span> <span word="southern">southern</span> <span word="side">side</span>. <span word="Political">Political</span> <span word="unrest">unrest</span> <span word="in">in</span> <span word="Pisa">Pisa</span> <span word="halted">halted</span> <span word="construction">construction</span> <span word="in">in</span> 1178, <span word="in">in</span> <span word="the">the</span> <span word="middle">middle</span> <span word="of">of</span> <span word="work">work</span> <span word="on">on</span> <span word="the">the</span> <span word="fourth">fourth</span> <span word="level">level</span>. <span word="Work">Work</span> <span word="resumed">resumed</span> <span word="almost">almost</span> 100 <span word="years">years</span> <span word="later">later</span>, <span word="in">in</span> 1272, <span word="and">and</span> <span word="by">by</span> <span word="that">that</span> <span word="time">time</span>, <span word="the">the</span> <span word="tower">tower</span> <span word="had">had</span> <span word="tilted">tilted</span> <span word="to">to</span> <span word="the">the</span> <span word="south">south</span><span word="the">the</span> <span word="direction">direction</span> <span word="it">it</span> <span word="still">still</span> <span word="points">points</span> <span word="today">today</span>. <span word="Again">Again</span>, <span word="designer">designer</span> <span word="hoped">hoped</span> <span word="to">to</span> <span word="correct">correct</span> <span word="the">the</span> <span word="lean">lean</span>, <span word="this">this</span> <span word="time">time</span> <span word="by">by</span> <span word="adjusting">adjusting</span> <span word="the">the</span> <span word="height">height</span> <span word="of">of</span> <span word="the">the</span> <span word="fifth">fifth</span> <span word="story">story</span>, <span word="making">making</span> <span word="the">the</span> <span word="southern">southern</span> <span word="side">side</span> <span word="somewhat">somewhat</span> <span word="taller">taller</span> <span word="than">than</span> <span word="the">the</span> <span word="northern">northern</span> <span word="side">side</span>. <span word="In">In</span> 1278, <span word="with">with</span> <span word="seven">seven</span> <span word="stories">stories</span> <span word="completed">completed</span>, <span word="work">work</span> <span word="on">on</span> <span word="the">the</span> <span word="tower">tower</span> <span word="ceased">ceased</span> <span word="once">once</span> <span word="again">again</span> <span word="because">because</span> <span word="of">of</span> <span word="political">political</span> <span word="unrest">unrest</span>. <span word="By">By</span> 1292, <span word="the">the</span> <span word="towers">towers</span> <span word="tilt">tilt</span> <span word="was">was</span> <span word="so">so</span> <span word="obvious">obvious</span> <span word="that">that</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="masons">masons</span> <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="investigate">investigate</span> <span word="the">the</span> <span word="problem">problem</span><span word="the">the</span> <span word="first">first</span> <span word="of">of</span> <span word="many">many</span> <span word="commissions">commissions</span> <span word="to">to</span> <span word="study">study</span> <span word="the">the</span> <span word="tower">tower</span> <span word="appointed">appointed</span> <span word="over">over</span> <span word="the">the</span> <span word="past">past</span> 700 <span word="years">years</span>.</p><p> <span word="The">The</span> <span word="eighth">eighth</span> <span word="story">story</span> <span word="and">and</span> <span word="final">final</span> <span word="addition">addition</span>, <span word="the">the</span> <span word="bell">bell</span> <span word="chamber">chamber</span>, <span word="was">was</span> <span word="built">built</span> <span word="between">between</span> 1360 <span word="and">and</span> 1370. <span word="Once">Once</span> <span word="more">more</span>, <span word="architects">architects</span> <span word="attempted">attempted</span> <span word="to">to</span> <span word="correct">correct</span> <span word="for">for</span> <span word="the">the</span> <span word="southward">southward</span> <span word="lean">lean</span>, <span word="this">this</span> <span word="time">time</span> <span word="by">by</span> <span word="angling">angling</span> <span word="the">the</span> <span word="bell">bell</span> <span word="chamber">chamber</span> <span word="northward">northward</span>. <span word="These">These</span> <span word="efforts">efforts</span>, <span word="combined">combined</span> <span word="with">with</span> <span word="the">the</span> <span word="slow">slow</span> <span word="time">time</span> <span word="scale">scale</span> <span word="of">of</span> <span word="construction">construction</span>, <span word="have">have</span> <span word="so">so</span> <span word="far">far</span> <span word="prevented">prevented</span> <span word="the">the</span> <span word="tower">tower</span> <span word="from">from</span> <span word="topping">topping</span>(倒塌) <span word="over">over</span>.</p>
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