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这里有大量煤与天然气正反双方对比的资料,你对这两类矿物燃料有多少了解?1.问:下面哪一种数字正确地反映煤与天然气对世界上电力生产做了多少贡献?
There is a lot of information on the pros and cons of coal and natural gas. How much do you know about these two types of fossil fuels? Q: Which of the following figures correctly reflects the contribution of coal and natural gas to the world’s electricity production?