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Unless renewables become cheap enough that substantial carbon deposits are left underground for a very long time, if not forever, the planet will likely be exposed to potentially catastrophic climate risks.
出自-2017年6月阅读原文
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Technological innovations have unleashed the power of renewables such as wind, hydro, solar, and geothermal ( ' , 地热).
出自-2017年6月阅读原文
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Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.
出自-2017年6月阅读原文
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Progress in the development of renewables could be fragile, however, if fossil fuel prices remain low for long.
出自-2017年6月阅读原文
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Even Africa and the Middle East, home to economies that are heavily dependent on fossil fuel exports, have enormous potential to develop renewables.
出自-2017年6月阅读原文
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Even Africa and the middle East, home to economies that are heavily dependent on fossil fuel exports, have enormous potential to develop renewables.
2017年6月六级真题（第一套）阅读 Section B
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He and other scientists say there are basically two options to replacing fossil fuels: generating energy with renewables or embracing nuclear power.
2016年6月六级真题（第一套）听力 Section C
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Technological innovations have unleashed the power of renewables such as wind, hydro, solar, and geothermal (地热).
2017年6月六级真题（第一套）阅读 Section B