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　　托福写作素材模板：风能

　　素材段落

　　Wind energy offers many advantages over fossil fuel energy sources, which explains why it has become one of the fastest-growing energy sources in the world. Firstly, being a clean fuel source, wind energy does not pollute the air like power plants that rely on the combustion of fossil fuels, such as coal or natural gas. That is to say, wind turbines do not produce atmospheric emissions that cause either acid rain or greenhouse gas. Secondly, wind power is cost effective. Compared with coal, natural gas and nuclear power, all of which cost approximately ten cents per kilowatt-hour, wind power only costs between four to six cents. Wind energy is therefore one of the lowest-priced renewable energy technologies available today.

　　单词和词组

　　rely on 依靠、依赖于

　　=depend on, be contingent on

　　? The educational level of citizens considerably relies on the quality of teachers in higher learning institutions.

　　cost effective 有成本效益、性价比高的

　　=cost efficient

　　话题词汇

　　匮乏天然资源 lack natural resources

　　可再生能源 renewable energy resource

　　替代能源 alternative energy

　　替代燃料 alternative fuel

　　太阳能 solar energy

　　核能 nuclear energy

　　能源效率 energy efficiency

　　有益于环保的 eco-friendly

　　适用考题

　　? The most effective way for the government to encourage energy conservation is to increase the price of gasoline and electricity. (2015.8.22)

　　? The best way to reduce air pollution is for the government to raise the cost of fuel. (2014.6.28)

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