Pie Chart

Band 8+: The pie charts below show the sources of electricity generation in Country X in 2000 and 2020. 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 electricity generation in Country X in 2000 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image contains two pie charts detailing the sources of electricity generation in Country X for the years 2000 and 2020. In 2000, the sources were: Coal 45%, Natural Gas 25%, Nuclear 20%, and Renewables 10%. In 2020, the sources were: Coal 20%, Natural Gas 30%, Nuclear 15%, and Renewables 35%.

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

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The provided pie charts illustrate the changes in the proportion of electricity generation from four different sources in Country X between 2000 and 2020.

From an overall perspective, coal accounted for the largest proportion in the first chart, while renewables which registered the lowest figure. However, in the second pie chart, renewables and natural gas became the major sources. Meanwhile, coal halved over the period and nuclear power experienced a minor decline.

Coal made up 43% of the total, the largest single share, but this energy experienced a dramatic decrease to 20%. Renewables occupied one tenth of the chart in 2000, then their proportion more than tripled to 35% by 2020.

Accounting for a quarter of the total, natural gas then rose gradually to 30%, which was the second-largest proportion in 2020. Nuclear, compared to natural gas, saw an opposite trend, as its percentage dropped by 5 percentage points in 2020.

Word Count: 151

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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:

proportion: 4

chart: 3

renewables: 3

natural: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by providing an overview and highlighting key changes. It accurately describes the main trends, such as the significant increase in renewables and the decrease in coal. There is a minor data inaccuracy (coal stated as 43% instead of 45%), but this does not detract from the overall clarity and coherence. The report is well-structured with clear comparisons between the two years. To improve, ensure all data points are precisely reported and consider adding a concluding sentence to summarize the overall shift.

Coherence & Cohesion

The report is well-organized and easy to follow. It begins with a clear introduction and an overall summary, then provides specific details in separate paragraphs. Cohesive devices are used effectively, though a few transitions could be smoother. For example, the phrase 'Meanwhile' in the overview could be replaced with 'In contrast' to better highlight the comparison. Overall, the paragraphing is logical and the message is clear.

Lexical Resource

The vocabulary is appropriate and varied, with good use of terms like 'proportion', 'accounted for', 'experienced a dramatic decrease', and 'more than tripled'. The language is natural and precise. To reach a higher band, you could incorporate more sophisticated synonyms and avoid repetition (e.g., 'proportion' and 'percentage' are used interchangeably, but you could also use 'share' or 'figure'). Overall, the lexical range is strong.

Grammatical Range & Accuracy

The grammar is accurate with a good range of sentence structures, including complex sentences and comparisons. There are no significant errors. To achieve a band 9, you could vary the sentence openings and use more advanced structures, such as passive voice or conditional forms. The current grammar is correct and clear, but a bit more flexibility would enhance the score.

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