【正文】
nd oil to produce energy. Part 2 (paragraphs 13) ? Fill in the blanks Fossil fuels, which are found _______ and called _____________ sources of energy, will ____ out in the foreseeable future. Burning fossil fuels makes ___________ to air, water and soil pollution and ______ global warming and acid rain. underground nonrenewablerun contributions causes Part 3 (paragraphs 610) Forms of energy What do we do with the energy Advantages Solar energy Wind energy Hydro electricity use the sun’s natural energy to provide heat, light, hot water and electricity. use windmills to pump water and grind wheat。 use wind turbines to generate electricity. use the force of the water flow to produce and transmit electricity. renewable。 help the environment. the next few decades, the world’s population will increase by about nine billion people is true that the past development has polluted the environment and wasted the natural resources. possible solution under discussion to the future development is sustainable development. ’s easy to draw everybody’s attention to environment and preserve natural resources. future is closely related to sustainable development, without which the lives of our children and our grandchildren will be at risk