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Listen this way听力教程第二册-17
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
大气ATMOSPHERE 大气组成Atmosphericcomposition 空气质量Airquality 大气化学Atmosphericchemistry 大气成分Atmosphericcomponents 大气颗粒物Atmosphericparticulates 二氧化碳Carbondi
得克萨斯州废气排放量仍居全美居首 HOUSTON, Oct. 23 (Xinhua) -- Texas remains to be the biggest greenhouse gas emitter in the United States, according to a report released Wednesday by the U.S. Environmental Protection Agency (EPA). Tex