雅思9Test4 Task1 Writing

中间段：【分2段】--每句话都要有数据出现

In terms of the petrol and oil，the energy consumption by fuel in USA indicated an abrupt increase from approximately 35 units in 1980 to 40 units in 2019. After that，the figure will continue soaring significantly to 50 units in 2030. Moreover，the energy consumption of the coal whose number was about 17 units in 1980 ascended to almost 22 units in 2019，peaking at nearly 30 units in 2030. When it came to the natural gas，there was a fluctuation with below 20 units and above 15 units from 1980 to 2019. And then the energy of the consumption is predicted to remain stable with approximately 20 units from 2020 to 2030.

On the energy of the consumption by fuel in the USA，nuclear was similar to solar/wind and hydropower，displaying the number with around 4 units from 1980 to 1985. Besides，the U.S. energy consumption of nuclear，solar/wind and hydropower between 1990 and 2030 stay steady with about 8 units，4 units and 2 units respectively.