剑桥雅思9test4小作文1 ThelinegraphindicatesthegeneralconsumptionofAmericanenergyfrom1980to2030.Usesofpetr下面是小编为大家整理的剑桥雅思9test4小作文3篇【完整版】,供大家参考。
剑桥雅思9test4小作文1
The line graph indicates the general consumption ofAmerican energy from 1980 to 2030. Uses of petrol and oil and coal see a drastic increase of about 15 quadrillion unites during the span of 50 years, while the other four energies rise slightly with the unites of no more than 5 quadrillion.
To be specific, in 1980, the highest proportion of consumption was occupied by petrol and oil
staying at 35 quadrillion units, and it experienced some fluctuations during the first 15 years, then it had been keeping increasing since the year 1995. It is predictable that it will reach nearly 50 quadrillion units by the year of 2030.
Furthermore, uses of coal and natural gas remain the middle level on the whole, which stood at almost 15 and exactly 20 quadrillion units respectively in 1980. Separately, consumption of approximately had been rising smoothly and is expected to arrive at 30 quadrillion units in 2030, but the latter remains at, by and large, the same level (20 quadrillion units) with some instabilities.
Eventually, uses of nuclear, solar/wind and hydropower were the lowest, with the same units of being about 4 quadrillion collectively. It is noticeable that none of them changes tremendously during this half century.
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