Process Diagram

Band 7+: You should spend about 20 minutes on this task. The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: You should spend about 20 minutes on this task. The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Our system will evaluate the answer based on this AI-generated description.

The image illustrates the biofuel production process for ethanol, showing plants and trees growing using energy from sunlight and carbon dioxide, followed by harvesting. Pre-processing involves treating cellulose, leading to processing where sugars are produced. Microbes are added to convert sugars into ethanol. Carbon dioxide is shown as a byproduct in different stages including during the use in cars, trucks, and planes.

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

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Note: Both the topic and the answer were created by one of our users.

The diagram illustrates how ethanol is produced.

Overall, there are several stages in the cyclic process starting with the growth of plants and trees and ending with the release of carbon dioxide which is then reused in the cycle.

Initially, plants and trees grow with the help of sunlight and carbon dioxide in the atmosphere. Once mature, the plants are harvested by tractors and sent for pre-processing, where cellulose is extracted.

The cellulose is then sent for processing where sugars are extracted from it. Microbes are then added to these sugars which results in the production of ethanol. Ethanol is used as a fuel source in various vehicles like cars, trucks and planes. Finally, as a result of combustion carbon dioxide is produced which is used by the plants and trees and this keeps the cycle going.

Word Count: 137

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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:

plants: 4

ethanol: 3

trees: 3

carbon: 3

dioxide: 3

which: 3

Try using synonyms for the above words

Task Response

The report effectively summarizes the ethanol production process, highlighting the main stages and the cyclical nature of the process. The description is clear and easy to follow. To improve, consider adding more specific details or comparisons where relevant to further enhance the summary. The report falls short of the required 150 words.

Coherence & Cohesion

The report presents a clear overview of the ethanol production process. The stages are logically sequenced, and the cyclical nature of the process is well-emphasized. Transitions between stages are generally smooth, contributing to a coherent flow. To further enhance coherence, consider using more varied cohesive devices to link ideas within and between paragraphs. For example, you could use synonyms or paraphrasing to avoid repetition and create a more sophisticated connection between sentences.

Lexical Resource

The report demonstrates a good range of vocabulary relevant to the topic. Terms like 'cellulose,' 'microbes,' and 'combustion' are used appropriately. To improve lexical resource, try to incorporate more specific or technical vocabulary related to biofuel production. Also, consider using more varied phrasing to describe the different stages and processes involved. For instance, instead of repeatedly using 'is produced,' explore alternative expressions like 'is generated,' 'is synthesized,' or 'is derived.'

Grammatical Range & Accuracy

The report demonstrates a strong command of grammar with only minor errors. The sentence structures are varied and generally accurate. Pay close attention to subject-verb agreement and article usage to eliminate any remaining errors. For example, ensure that plural subjects have plural verbs and that articles ('a,' 'an,' 'the') are used correctly based on the context.

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Lexical Resource

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