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					Some of the heat is used directly or produces useful work; the rest is lost or rejected, radiated into the atmosphere from the engines, motors, boilers and all the energy-consuming machinery that makes American’s wheel go around. 出自-2015年12月听力原文
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					billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases. 出自-2013年6月阅读原文
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					As long as we're consuming fossil fuels, we're putting out CO2,"says Klaus Lackner, a geophysicist at Columbia, University" We cannot let the CO2 in the atmosphere rise indefinitely. 出自-2012年6月阅读原文
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					As you can see, ladies and gentlemen, the guests were seated very informally around this oval table, which would add to the relaxed atmosphere. 出自-2013年12月听力原文
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					Just before people began entering the hall, Larry dimmed the lights and turned up the sound system, which was playing soft music, hoping to create a warm personal atmosphere for the speech 出自-2013年12月听力原文
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					To create a warm personal atmosphere. 出自-2013年12月听力原文
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					It is estimated that 25% of all methane that released into the atmosphere coming from farm animals. 出自-2013年6月听力原文
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					Half of the methane in the atmosphere is from animals 出自-2013年6月听力原文
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					They shouldn't work in smoky atmospheres. 出自-2013年6月听力原文
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					Harm to singers done by smoky atmospheres 出自-2013年6月听力原文
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					So that's not a good atmosphere for a child. 2016年6月六级真题(第一套)听力 Section C
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					The carbon that we've put into the atmosphere keeps having a warming effect for 100 years, so we have to cut back rapidly now, because it would take a long time to work its way through into a response by the atmosphere. 2016年6月六级真题(第一套)听力 Section C