Process Diagram

Band 6+: You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

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Image for topic: You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

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

The image details a desalination process diagram: sea water intake leads to pre-treatment filter; filtered water is returned to sea; water is then forced through a high-pressure membrane; post-treatment includes lime, chlorine, fluoride; storage follows; finally, water is integrated into the supply system; inset shows molecular separation, highlighting salt, impurities, and water molecules.

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 presents the process in which salt is separating from water making it appropriate for drinking. The whole way can be divided into three stages.

The first part begins when the salt water is intaked from a sea and delivered to the pre-treatment filter. From this filter a part of the liquid goes to a filter backwash and returns to the sea, while another part continues its way to the middle reservoir.

After that, goes a main stage during which water forced through membrane at high pressure letting water molecules be separated from the salt. At this moment,clean water follow to the last step while sea water concentrate also returning to the sea.

The last part of water filtering is post-treatment with lime chlorine and fluoride, and only after that drinkable water is moved to storage systems and integrated water supply system.

Word Count: 143

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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:

water: 9

filter: 3

Try using synonyms for the above words

Task Response

The report adequately covers the desalination process, providing a general overview of the key stages. However, there's room for improvement in terms of detail and precision. For example, elaborating on the purpose of each stage (pre-treatment, high-pressure membrane filtration, and post-treatment) would enhance the response. Additionally, using more precise language and avoiding vague terms like 'middle reservoir' would make the description clearer. Overall, the report demonstrates a good understanding of the process but could benefit from more specific information and improved clarity. The report falls short of the required 150 words.

Coherence & Cohesion

The report is generally understandable, but the organization could be improved. The division into three stages is mentioned but not clearly delineated in the text. Transitions between stages could be smoother. Consider using more explicit transition words and phrases to guide the reader through the process. For example, you could use phrases like 'Following this,' 'Subsequently,' or 'In the final stage' to improve the flow.

Lexical Resource

The vocabulary is adequate for describing the process, but there's room for improvement. Using more precise and varied vocabulary related to water treatment and filtration would enhance the report. For example, instead of 'making it appropriate for drinking,' you could use 'rendering it potable.' Also, consider using synonyms for words like 'part' and 'goes' to avoid repetition.

Grammatical Range & Accuracy

The report contains grammatical errors that affect clarity. Some examples include subject-verb agreement issues ('salt is separating'), incorrect verb tenses ('water forced'), and awkward phrasing ('intaked from a sea'). Correcting these errors and ensuring proper sentence structure would improve the overall quality of the report. Pay close attention to articles (a, an, the) and prepositions as well.

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Band 6+: You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

You should spend about 20 minutes on this task. The diagram below shows how salt is removed from seawater to make it drinkable. Summarize 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 how salt is removed from seawater to make it drinkable. Summarize 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 how salt is removed from seawater to make it drinkable. Summarize 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 how salt is removed from seawater to make it drinkable. Summarize the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words.

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Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

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Task Response

Coherence & Cohesion

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Grammatical Range & Accuracy

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