week15

You should spend about 20 minutes on this task. Write at least 150 words.
 * Practice Exercises: ** IELTS ** Academic Writing **
 * The two graphs show the main sources of energy in the USA in the 1980s and the 1990s.Write a report for a university lecturer describing the changes which occurred.**

Writing practice: Pie Chart

The two pie charts illustrate the main sources of energy in the USA in the 1980s and the 1990s.The oil was a significant item of the main sources of energy in USA. In 1980s, oil was using more than any other energy (42% of the main sources of energy).Natural gas was second (26% of the main sources of energy) and coal was third (22% of the main sources of energy). Hydroelectric power and nuclear power both were using less than others (5% of the main sources of energy).In 1990s,oil still occupied largely(33% of the main sources of energy) but it was less than 1980s.Coal was growing 5% and became second in the part. Natural gas was declining 1% and became third in the part. Hydroelectric power didn’t grow or less but nuclear power was growing 5%.No matter which year the oil occupied the most part of energy and hydroelectric power was using less than others energy.