公共英语四级的写作

　　The two picture charts show the energy use in the United States and the residential energy use respectively. From the pie charts, we can have an overall understanding of the situation of energy use in the United States.

　　From the left pie, we can see clearly that the American energy consumption is divided into four major parts, namely, residential, industry, commercial and transportation. Industry consumes the largest portion, accounting for 41 % . Transportation ranks the second, making up 26% . The commercial use and residential use are 14% and 19% respectively.

　　The pie on the right illustrates the residential use of energy. It is obvious that the heating and air conditioning are the number one consumer of energy, 62% of energy being used for them. 15% of energy is used for heating water. Small appliances account for only 10% . The remaining 13% goes to miscellaneous items such as cooking. We can say that heating and air conditioning play a very important role in American daily life.

　　From the chart, we may have a basic understanding of the situation of energy use in the United States.

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