From the bar chart given above, we can observe that the electricity consumption in a small city experienced some changes during the past several years. From 2004 to 2007, it increased by 2.51% from 4.6 million kilowatt to 4.723 kilowatt. However, it decreased by 0.8% from 4.723 in 2005 kilowatt to 4.7 kilowatt in 2006. Then it increased by 12.88% to 5.26 million kilowatt in 2007.

　　The bar chart reveals the phenomenon that the electricity consumption rises with some fluctuations. What exactly contribute to this phenomenon ? Reasons can be listed as follows: in the first place, with the improvement of financial status and living standard, electrical appliances such as television sets , refrigerators, washing machines , air conditioners and so on are becoming increasingly widespread , however all these machines will not only offer us great convenience, but consume more electricity. Moreover, factories located around the city are also main factors of the rising of electricity consumption. Last but not least, the absence of citizens’ consciousness of economizing on electricity also leads to the rising of consumption.

　　The rapid increase of electricity consumption shows that it has been playing an indispensable role in our life. Vital to all aspects of modern life, electricity is far from being sufficient. Accordingly, it is urgent that every one of us should foster the consciousness of saving electricity. (225words)

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