Pie Chart

Band 8+: The charts below show changes in the proportion of the energy produced from different resources in a country in 1985 and 2003.

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The image consists of two pie charts comparing energy production proportions from varying resources in 1985 and 2003; Oil (1985: 52%, 2003: 39%), Natural gas (8%, 23%), Coal (22% for both years), Nuclear (13%, 8%), Hydro (4% for both years), Other renewable (1%, 4%).

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

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The pie charts demonstrate the changes in proportions of six different energy sources (oil, natural gas, coal, nuclear, hydro, and other renewables) in a country between 1985 and 2003.

Overall, oil dominated the industry in both years, while other renewable sources were least popular in 1985 and equaled hydro in 2003. All categories except oil and nuclear have increased in shares over the 18-year period.

Despite supplying the majority of energy in 1985, the percentage of energy derived from oil dropped sharply by 13% by 2003. Likewise, nuclear energy totaled 22% in the first chart and by 2003, its share decreased to 8%.

Natural gas, on the other hand, produced only 13% of all energy in 1985 but almost a quarter of energy came from this source in 2003. The use of coal rose significantly from 8% to 22%, while other renewable energy sources went from 1% to 4% within 18 years, equaling hydropower, which has not changed at all.

Word Count: 160

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

energy: 7

other: 4

sources: 3

nuclear: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by providing an overview and describing key changes in energy production proportions. The overall trend is clearly stated, and the main changes are highlighted. However, there are some inaccuracies in the data: coal is stated to have risen from 8% to 22%, but the correct figures are 22% for both years; natural gas is described as producing 13% in 1985, but the correct figure is 8%. These inaccuracies, while not detracting from the overall structure, could be improved for accuracy. Additionally, the report could benefit from a more precise comparison of the data, such as noting that coal remained constant. Overall, the response is well-organized and covers the main features, but attention to data accuracy would enhance the task achievement.

Coherence & Cohesion

The report is well-organized with a clear introduction, overview, and body paragraphs. The progression of ideas is logical, and the use of cohesive devices is effective. Minor improvements could be made by using a wider range of linking words and ensuring smooth transitions between paragraphs.

Lexical Resource

The vocabulary is appropriate and varied, with good use of terms like 'demonstrate', 'dominated', 'derived from', and 'equaling'. To achieve a higher score, consider using more sophisticated synonyms and precise language, such as 'accounted for' instead of 'totaled' and 'witnessed a decline' instead of 'dropped sharply'.

Grammatical Range & Accuracy

The grammar is largely accurate with a good range of sentence structures. There are minor phrasing issues, such as 'nuclear energy totaled 22%' which could be rephrased to 'nuclear energy accounted for 22%'. Overall, the report demonstrates strong grammatical control with only minor errors.

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