下册unit4高二英语课件
日期：2010-01-10 01:57
Unit6 Global warmingCan you tell what we use energy for?
Energy lights our cities
Energy heats our buildings
Energy entertains us
( watching TV; playing computer etc)
…Where does all the energy come from?
Wind mills风力a coal power
station燃煤发电站an oil refinery炼油厂a nuclear power plant原子能发电站太，
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