Process Diagram

Band 9: The diagram below shows how ethanol fuel is produced from corn

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Image for topic: The diagram below shows how ethanol fuel is produced from corn

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The image illustrates the ethanol fuel production process from corn, starting with storing corn (2), followed by milling (3) and cooking with water for 4 hours (4), then fermenting for 48 hours (5), separating liquid and solid by-product (6), purifying ethanol for 5 hours (7), storing (8) and finally distributing to gas stations (9).

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

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The diagram illustrates the various stages in the production of ethanol fuel from corn.

Overall, there are nine stages in the process of corn ethanol production, beginning with harvesting the corn and ending at the delivery stage.

At the first stage in the corn ethanol making process, corn is harvested and then put in a suitable place to ensure safe storage before it is ready for milling. During the milling stage, the corn is ground into a fine powder, which is then mixed with water. The resulting mixture is cooked for four hours.

After cooking, the mixture undergoes a fermentation process, which takes two days, and ethanol is produced after this stage. After that, the liquid ethanol is separated from the fermented mixture, during which some solid by-products are taken out. It then takes five hours for the resulting ethanol to be purified to remove any impurities. Finally, this ethanol is stored for a set period of time before being transported to retailers, ready to be sold.

Word Count: 167

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Overall Band Score

(+/- 0.5)

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

Grammar Mistakes: N/A

Vocabulary Repetition:

ethanol: 7

process: 3

stage: 3

which: 3

mixture: 3

Try using synonyms for the above words

Task Response

The report fully satisfies the requirements of the task. It provides a clear overview of the process, accurately identifies all key stages from the visual description, and uses appropriate sequencing language to guide the reader through the cycle. The progression from harvesting to distribution is logical and well-structured.

Coherence & Cohesion

The report is exceptionally well-organized. The progression from the introduction to the overview and then through the chronological stages is seamless. Cohesive devices such as 'At the first stage', 'During the milling stage', 'After cooking', and 'Finally' are used naturally to guide the reader through the process without being repetitive or intrusive. Paragraphing is logical and supports the flow of information perfectly.

Lexical Resource

The vocabulary used is precise, varied, and highly appropriate for a process description. Terms like 'undergoes a fermentation process', 'resulting mixture', 'purified to remove any impurities', and 'transported to retailers' demonstrate a sophisticated control of lexical features. The student successfully avoids repetition by using synonyms and varied phrasing to describe the stages.

Grammatical Range & Accuracy

The report demonstrates a wide range of grammatical structures with full flexibility and accuracy. The use of the passive voice (e.g., 'is harvested', 'is ground', 'is separated') is particularly effective and appropriate for describing a technical process. Punctuation is used correctly throughout, and there are no noticeable errors in sentence structure or tense usage.

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The diagram below shows how ethanol fuel is produced from corn

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Band 9

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Band 9: The diagram below shows how ethanol fuel is produced from corn

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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

The diagram below shows how ethanol fuel is produced from corn

The diagram below shows how ethanol fuel is produced from corn

The diagram below shows how ethanol fuel is produced from corn

The diagram below shows how ethanol fuel is produced from corn

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The diagram below shows the process of recycling discarded cars.

The diagram below shows the process by which bricks are manufactured for the building industry. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

You should spend about 20 minutes on this task. The diagram below shows the life cycle of a frog. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

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