2016届高考英语一轮复习(外研版)考点规范训练：必修1 Module 5A Lesson in a Lab
<p> 考点规范练5(必修1 <span word="Module">Module</span> 5)</p><p> .阅读理解</p><p> <span word="The">The</span> “<span word="greenhouse">greenhouse</span> <span word="effect">effect</span>”<span word="is">is</span> <span word="the">the</span> <span word="warming">warming</span> <span word="that">that</span> <span word="happens">happens</span> <span word="when">when</span> <span word="certain">certain</span> <span word="gases">gases</span> <span word="in">in</span> <span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="atmosphere">atmosphere</span> <span word="trap">trap</span> <span word="heat">heat</span>.<span word="These">These</span> <span word="gases">gases</span> <span word="let">let</span> <span word="in">in</span> <span word="light">light</span> <span word="but">but</span> <span word="keep">keep</span> <span word="heat">heat</span> <span word="from">from</span> <span word="escaping">escaping</span>,<span word="like">like</span> <span word="the">the</span> <span word="glass">glass</span> <span word="walls">walls</span> <span word="of">of</span> <span word="a">a</span> <span word="greenhouse">greenhouse</span>.</p><p> <span word="First">First</span>,<span word="sunlight">sunlight</span> <span word="shines">shines</span> <span word="onto">onto</span> <span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="surface">surface</span>,<span word="where">where</span> <span word="it">it</span> <span word="is">is</span> <span word="absorbed">absorbed</span> <span word="and">and</span> <span word="then">then</span> <span word="radiates">radiates</span>(放射)<span word="back">back</span> <span word="into">into</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span> <span word="as">as</span> <span word="heat">heat</span>.<span word="In">In</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>,<span word="greenhouse">greenhouse</span> <span word="gases">gases</span> <span word="trap">trap</span> <span word="some">some</span> <span word="of">of</span> <span word="this">this</span> <span word="heat">heat</span>,<span word="and">and</span> <span word="the">the</span> <span word="rest">rest</span> <span word="escapes">escapes</span> <span word="into">into</span> <span word="space">space</span>.<span word="The">The</span> <span word="more">more</span> <span word="greenhouse">greenhouse</span> <span word="gases">gases</span> <span word="are">are</span> <span word="in">in</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>,<span word="the">the</span> <span word="more">more</span> <span word="heat">heat</span> <span word="gets">gets</span> <span word="trapped">trapped</span>.</p><p> <span word="Scientists">Scientists</span> <span word="have">have</span> <span word="known">known</span> <span word="about">about</span> <span word="the">the</span> <span word="greenhouse">greenhouse</span> <span word="effect">effect</span> <span word="since">since</span> 1824,<span word="when">when</span> <span word="Joseph">Joseph</span> <span word="Fourier">Fourier</span> <span word="calculated">calculated</span> <span word="that">that</span> <span word="the">the</span> <span word="Earth">Earth</span> <span word="would">would</span> <span word="be">be</span> <span word="much">much</span> <span word="colder">colder</span> <span word="if">if</span> <span word="it">it</span> <span word="had">had</span> <span word="no">no</span> <span word="atmosphere">atmosphere</span>.<span word="This">This</span> <span word="greenhouse">greenhouse</span> <span word="effect">effect</span> <span word="is">is</span> <span word="what">what</span> <span word="keeps">keeps</span> <span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="climate">climate</span> <span word="livable">livable</span>.<span word="Without">Without</span> <span word="it">it</span>,<span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="surface">surface</span> <span word="would">would</span> <span word="be">be</span> <span word="an">an</span> <span word="average">average</span> <span word="of">of</span> <span word="about">about</span> 60 <span word="degrees">degrees</span> <span word="Fahrenheit">Fahrenheit</span>(华氏温度)<span word="cooler">cooler</span>.<span word="In">In</span> 1895,<span word="the">the</span> <span word="Swedish">Swedish</span> <span word="chemist">chemist</span> <span word="Svante">Svante</span> <span word="Arrhenius">Arrhenius</span> <span word="discovered">discovered</span> <span word="that">that</span> <span word="humans">humans</span> <span word="could">could</span> <span word="increase">increase</span> <span word="the">the</span> <span word="greenhouse">greenhouse</span> <span word="effect">effect</span> <span word="by">by</span> <span word="making">making</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span>,<span word="a">a</span> <span word="greenhouse">greenhouse</span> <span word="gas">gas</span>. <span word="He">He</span> <span word="kicked">kicked</span> <span word="off">off</span> 100 <span word="years">years</span> <span word="of">of</span> <span word="climate">climate</span> <span word="research">research</span> <span word="that">that</span> <span word="has">has</span> <span word="given">given</span> <span word="us">us</span> <span word="a">a</span> <span word="good">good</span> <span word="understanding">understanding</span> <span word="of">of</span> <span word="global">global</span> <span word="warming">warming</span>.</p><p> <span word="Levels">Levels</span> <span word="of">of</span> <span word="greenhouse">greenhouse</span> <span word="gases">gases</span>(<span word="GHGs">GHGs</span>) <span word="have">have</span> <span word="gone">gone</span> <span word="up">up</span> <span word="and">and</span> <span word="down">down</span> <span word="over">over</span> <span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="history">history</span>,<span word="but">but</span> <span word="they">they</span> <span word="have">have</span> <span word="been">been</span> <span word="fairly">fairly</span> <span word="constant">constant</span> <span word="for">for</span> <span word="the">the</span> <span word="past">past</span> <span word="few">few</span> <span word="thousand">thousand</span> <span word="years">years</span>.<span word="Global">Global</span> <span word="average">average</span> <span word="temperatures">temperatures</span> <span word="have">have</span> <span word="stayed">stayed</span> <span word="fairly">fairly</span> <span word="constant">constant</span> <span word="over">over</span> <span word="that">that</span> <span word="time">time</span> <span word="as">as</span> <span word="well">well</span>,<span word="until">until</span> <span word="recently">recently</span>.<span word="Through">Through</span> <span word="the">the</span> <span word="burning">burning</span> <span word="of">of</span> <span word="fossil">fossil</span> <span word="fuels">fuels</span> <span word="and">and</span> <span word="other">other</span> <span word="GHG">GHG</span> <span word="emissions">emissions</span>(排放物),<span word="humans">humans</span> <span word="are">are</span> <span word="increasing">increasing</span> <span word="the">the</span> <span word="greenhouse">greenhouse</span> <span word="effect">effect</span> <span word="and">and</span> <span word="warming">warming</span> <span word="the">the</span> <span word="Earth">Earth</span>.</p>
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