Pie Chart

Band 4+: The two graphs show the main sources of energy in the USA in the 1980s and the 1990s.

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The image contains two pie charts comparing the sources of energy in the USA for 1980 and 1990. In 1980, Oil accounts for 42%, Natural Gas 26%, Coal 22%, Hydroelectric Power 5%, and Nuclear Power 5%. In 1990, Oil represents 33%, Natural Gas 27%, Coal 25%, Hydroelectric Power 5%, and Nuclear Power 10%.

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The pie chart provides information about the majority of reaources power in the USA of four different sectors between 1980 and 1990.

Overall, in the beginning of the period, oil mad up the highest contribution in sources on energy for USA,while hydroelectric power and nuclear power were the smallest segment.In comparison, at the end of the period, oil showed the largest sector again and the lowest propation made by hydroelectric power.

In 1980, coal sector was 22% of the main resources of energy and it rose by 5% in1990.Nuclear power utilized 5% of total energy in1980 however it jumbed doulble in1990 at 10%.

The propotion of oil and natural gas declined from 1980 to 1990 by 9% and 1% respectively . Hydrectric power the only power unchanged during the period at 5%.

Word Count: 132

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Overall Band Score

4.5

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
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Grammar Mistakes: N/A

Vocabulary Repetition:

power: 6

period: 3

energy: 3

Try using synonyms for the above words

Task Response

5.5

The report provides a good overview of the main features of the data, but there are some minor omissions and inaccuracies. For example, the report does not mention the overall trend of the data, which is that the reliance on oil decreased while the reliance on coal and nuclear power increased. The report also does not mention the specific percentage changes for each energy source. The report falls short of the required 150 words.

Coherence & Cohesion

The report is generally coherent, but there are some grammatical errors and awkward phrasing that make it difficult to follow at times. The report could be improved by using more cohesive devices, such as transition words and phrases, to connect the ideas more smoothly.

Lexical Resource

The report uses a good range of vocabulary, but there are some errors in word choice and collocation. For example, the report uses the word "reaources" instead of "resources" and the phrase "jumbed doulble" instead of "jumped double." The report could be improved by using more precise and accurate vocabulary.

Grammatical Range & Accuracy

The report contains a number of grammatical errors, including incorrect verb tenses, incorrect articles, and incorrect punctuation. The report could be improved by paying more attention to grammar and punctuation.

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