Pie Chart

Band 7+: The pie charts below show the sources of energy used in Australia in 2008 and projections for 2030. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The pie charts below show the sources of energy used in Australia in 2008 and projections for 2030. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image features two pie charts titled 2008 and 2030 displaying percentage proportions across various categories. For 2008, the values are Coal at 39,00%, Oil at 32,50%, Gas at 22,90%, Others at 3,80%, Solar at 1,30%, Wind at 0,30%, and Hydro at 0,20%. For 2030, the values are Oil at 35,50%, Gas at 32,00%, Coal at 22,70%, Geothermal at 4,30%, Others at 3,60%, Wind at 1,20%, and Hydro at 0,70%.

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

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The provided pie charts illustrate the percentages of seven distinct energy categories including oil, coal, gas, hydro, solar, wind, and others in Australia between 2008 and 2030.

Overall, it is clear to see the proportions of hydro, solar, wind sources are expected to experience an upward trend in the future, meanwhile, those of coal, gas, oil and others are predicted to decline slightly in 2030. In addition, hydro accounts for the least share among seven categories mentioned in both years.

In 2008, 39% was the percentage of coal sources in Australia, followed by oil and gas, at 32.5% and approximately 23%, respectively. Moreover, the others made up 3,8%, which was twice as much as the total share of renewable sources: solar, hydro, wind.

Regarding the estimated figure for 2030, while the proportions of gas and oil are expected to witness an increase to 32% and 35.5%, in each; that of coal will observe a significant decline to 22,7%, which is nearly 20% lower than the figure for 2008. By contrast, an upward trend will be seen in the shares of renewable sources, which will account for 6% of the total energy supply with the 4.3% contribution of geothermal sources (solar included). Additionally, a minor decrease will be witnessed in others, at 3.6%, which is a half of that of the total of renewable sources.

Word Count: 224

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Overall Band Score

7.5

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

sources: 5

hydro: 4

others: 4

which: 4

solar: 3

total: 3

renewable: 3

Try using synonyms for the above words

Task Response

The report effectively summarizes the main features of the pie charts and makes relevant comparisons. It correctly identifies the overall trends, such as the expected increase in renewable sources and the decline in coal. However, there are some inaccuracies and omissions: the report mentions solar and wind in the overall trend but does not provide specific figures for them in 2030, and it incorrectly states that gas and oil are expected to increase, whereas the visual description shows oil decreasing from 32.5% to 35.5% (which is an increase) but gas increasing from 22.9% to 32.0% (also an increase). The report also omits the specific values for solar and wind in 2030, and the statement about 'others' being half of the total renewable sources is inaccurate (3.6% is not half of 6%). To improve, ensure all key data points are accurately reported and avoid making unsupported claims.

Coherence & Cohesion

The report is well-organized with a clear introduction, overview, and detailed paragraphs. The progression of ideas is logical, and the use of cohesive devices is effective. However, there are minor lapses in cohesion, such as the phrase 'in each' which is slightly awkward, and the transition between the 2008 and 2030 paragraphs could be smoother. Overall, the message is easy to follow.

Lexical Resource

The vocabulary is varied and appropriate for the task, with good use of synonyms and paraphrasing (e.g., 'illustrate', 'expected to experience', 'witness an increase'). There are a few minor inaccuracies, such as 'observe a significant decline' which is slightly unnatural, and 'a half of that' could be more precise. Overall, the lexical range is strong and demonstrates good control.

Grammatical Range & Accuracy

The report uses a range of grammatical structures, including complex sentences and passive constructions. However, there are some errors and awkward phrasings, such as 'in each' and 'which is a half of that of the total of renewable sources'. Additionally, the use of commas in numbers (e.g., '3,8%') is inconsistent with standard English conventions. These issues slightly affect clarity but do not impede understanding.

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