2017同步攻关高考英语一轮复习学案：选修6 Unit 4 Global warming
<p> <span word="Unit">Unit</span> 4 <span word="Global">Global</span> <span word="warming">warming</span></p><p> 导读：很多科学家认为全球变暖是由人类活动造成的，由于人们焚烧化石矿物或砍伐并焚烧森林，产生了二氧化碳等多种温室气体，导致全球气候变暖。因此，我们究竟应该为此做些什么呢？</p><p> <span word="Task">Task</span>：<span word="What">What</span> <span word="can">can</span> <span word="we">we</span> <span word="do">do</span> <span word="to">to</span> <span word="protect">protect</span> <span word="the">the</span> <span word="earth">earth</span> <span word="from">from</span> <span word="being">being</span></p><p> <span word="bad">bad</span> <span word="to">to</span> <span word="worse">worse</span>?</p><p> <span word="Global">Global</span> <span word="warming">warming</span> <span word="is">is</span> <span word="a">a</span> <span word="growing">growing</span> <span word="problem">problem</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>. <span word="Melting">Melting</span> <span word="ice">ice</span>－<span word="caps">caps</span> <span word="in">in</span> <span word="the">the</span> <span word="Arctic">Arctic</span> <span word="and">and</span> <span word="Antarctica">Antarctica</span>, <span word="rising">rising</span> <span word="temperatures">temperatures</span> <span word="across">across</span> <span word="the">the</span> <span word="continents">continents</span>, <span word="increasing">increasing</span> <span word="number">number</span> <span word="of">of</span> <span word="typhoons">typhoons</span> <span word="and">and</span> <span word="tropical">tropical</span> <span word="storms">storms</span> <span word="are">are</span> <span word="just">just</span> <span word="some">some</span> <span word="of">of</span> <span word="the">the</span> <span word="effects">effects</span> <span word="of">of</span> <span word="global">global</span> <span word="warming">warming</span>.</p><p> <span word="It">It</span> <span word="must">must</span> <span word="be">be</span> <span word="realised">realised</span> <span word="that">that</span> <span word="humans">humans</span> <span word="activities">activities</span> <span word="are">are</span> <span word="the">the</span> <span word="causes">causes</span> <span word="of">of</span> <span word="global">global</span> <span word="warming">warming</span>. <span word="It">It</span> <span word="is">is</span> <span word="therefore">therefore</span> <span word="our">our</span> <span word="duty">duty</span> <span word="to">to</span> <span word="save">save</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="We">We</span> <span word="can">can</span> <span word="begin">begin</span> <span word="by">by</span> <span word="minimizing">minimizing</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="by">by</span> <span word="taking">taking</span> <span word="public">public</span> <span word="transport">transport</span> <span word="instead">instead</span> <span word="of">of</span> <span word="driving">driving</span> <span word="and">and</span> <span word="using">using</span> <span word="energy">energy</span>－<span word="efficient">efficient</span> <span word="electrical">electrical</span> <span word="appliances">appliances</span>. <span word="Besides">Besides</span>, <span word="the">the</span> <span word="government">government</span> <span word="can">can</span> <span word="probably">probably</span> <span word="limit">limit</span></p><p> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="cars">cars</span> <span word="allowed">allowed</span> <span word="on">on</span> <span word="the">the</span> <span word="roads">roads</span> <span word="by">by</span> <span word="imposing">imposing</span> <span word="fines">fines</span> <span word="on">on</span> <span word="offenders">offenders</span> <span word="and">and</span> <span word="improving">improving</span> <span word="public">public</span> <span word="transport">transport</span> <span word="systems">systems</span>. <span word="More">More</span> <span word="trees">trees</span> <span word="can">can</span> <span word="be">be</span> <span word="planted">planted</span> <span word="too">too</span>. <span word="Education">Education</span> <span word="to">to</span> <span word="protect">protect</span> <span word="the">the</span> <span word="environment">environment</span> <span word="should">should</span> <span word="also">also</span> <span word="be">be</span> <span word="planned">planned</span>. <span word="Countries">Countries</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span> <span word="can">can</span> <span word="hold">hold</span> <span word="meetings">meetings</span> <span word="and">and</span> <span word="conferences">conferences</span> <span word="and">and</span> <span word="decide">decide</span> <span word="the">the</span> <span word="steps">steps</span> <span word="to">to</span> <span word="take">take</span> <span word="to">to</span> <span word="limit">limit</span> <span word="the">the</span> <span word="CO">CO</span>2 <span word="levels">levels</span>. <span word="Economic">Economic</span> <span word="sanctions">sanctions</span> <span word="can">can</span> <span word="also">also</span> <span word="be">be</span> <span word="imposed">imposed</span> <span word="on">on</span> <span word="countries">countries</span> <span word="that">that</span> <span word="have">have</span> <span word="violated">violated</span> <span word="the">the</span> <span word="rules">rules</span>. <span word="The">The</span> <span word="Kyoto">Kyoto</span> <span word="Protocol">Protocol</span> <span word="is">is</span> <span word="one">one</span> <span word="such">such</span> <span word="example">example</span>.</p><p> <span word="It">It</span> <span word="is">is</span> <span word="important">important</span> <span word="to">to</span> <span word="cure">cure</span> <span word="the">the</span> <span word="world">world</span>, <span word="for">for</span> <span word="the">the</span> <span word="sake">sake</span> <span word="of">of</span> <span word="ourselves">ourselves</span> <span word="and">and</span> <span word="our">our</span> <span word="descendants">descendants</span>. <span word="We">We</span> <span word="have">have</span> <span word="to">to</span> <span word="take">take</span> <span word="action">action</span> <span word="now">now</span>.</p>
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