Pie Chart

Band 6+: Energy sources in the USA in the 1980s and 1990s

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The image depicts two pie charts comparing main energy sources in the USA for the years 1980 and 1990. In 1980, oil comprised 42%, natural gas 26%, coal 22%, hydroelectric power 5%, and nuclear power 5%. By 1990, oil reduced to 33%, natural gas to 25%, coal increased to 27%, hydroelectric power remained at 5%, and nuclear power increased to 10%.

Given the complexity of the image, the above description may not be entirely accurate.

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The crucial USA sources of enegry in 1980 and 1990 are shown by the 2 pie charts.

Overall, it is clear that 3 largest sources in both years are oil, natural gas and coal. Oil and natural gas proportions had a downward trend, while 3 other datas rised or stayed stable.

In 1980 oil and natural gas were the largest sourses of energy in the USA, their precentages were 42% and 26%. However, during the next 10 years the consumption level of those sources declined and by 1990 they were 33% and 25% respectively.

In contrast, less popular sources were coal and nuclear power; in 1980 they were 22% and 5%. But by the 1990 they rose to 27% and 10%, making coal second used energy source.

On the other hand, the stability was shown by the hydroelectric power consumption rate ; in each year, 1980 and 1990, it was 5%

Word Count: 151

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Overall Band Score

6.5

(+/- 0.5)

Vocabulary Complexity:
A2 - Upper Beginner
Consider using more varied and advanced words.

Grammar Mistakes: N/A

Vocabulary Repetition:

sources: 4

natural: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by summarizing and comparing the main energy sources in the USA for 1980 and 1990. The overview is clear, and the body paragraphs provide relevant details and comparisons. To further enhance the response, consider including more specific data comparisons within the same paragraph to strengthen the analysis and improve the flow.

Coherence & Cohesion

The report is generally understandable, but the flow could be improved. The organization into paragraphs is logical, but the transitions between sentences and ideas within paragraphs could be smoother. Consider using more varied cohesive devices to link ideas and improve the overall flow. For example, using transition words like 'Furthermore,' 'In addition,' or 'However' can help to clarify the relationships between different points.

Lexical Resource

The vocabulary is adequate for the task, but there's room for improvement in terms of variety and precision. Using more specific and sophisticated vocabulary could enhance the report. For example, instead of 'downward trend,' you could use 'decreased' or 'declined.' Instead of 'rose,' you could use 'increased' or 'grew.' Also, be careful with spelling ('enegry' should be 'energy', 'sourses' should be 'sources'). Boost vocabulary complexity to elevate the overall score.

Grammatical Range & Accuracy

The report contains grammatical errors that affect clarity. Some examples include subject-verb agreement issues ('datas rised' should be 'data rose'), incorrect word forms ('second used energy source' should be 'second most used energy source'), and awkward phrasing. Pay close attention to verb tenses, article usage, and sentence structure. Proofreading carefully and using grammar resources can help improve accuracy.

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