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.

IELTS Writing Task Chart for 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.

The diagram illustrates the cyclical process involved in producing ethanol, a renewable biofuel made from plants.

Overall

Linking Words

, the production process involves three main stages: pre-processing, processing, and usage. It forms a closed-loop cycle, as carbon dioxide emitted

at the end

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is reused as a resource in the initial stage.

Initially

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, trees and plants absorb sunlight and carbon dioxide to grow. Once mature, they are harvested using tractors and shredded by large machinery to extract cellulose.

This

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cellulose is

then

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transported to

processing

Add an article

the processing

a processing

show examples

facility, where is converted into sugars. Microbes are added to the sugars to initiate fermentation, which produces ethanol. The ethanol

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subsequently

Add a missing verb

is subsequently

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used as fuel for various modes of transport,

such

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as cars, trucks, and airplanes. During

combustion

Add an article

the combustion

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process in the vehicle machines, carbon dioxide is generated and released into the atmosphere.

This

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gas is

then

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absorbed and

use

Wrong verb form

used

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the

Correct article usage

apply

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energy again by plants and trees, completing the cycle.

ostaryorioSun Jun 01 2025

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Basic structure: Change the third paragraph.

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Basic structure: Change the fourth paragraph.

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Vocabulary: Only 2 basic words for charts were used.

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Vocabulary: Use several vocabularies to present the data in the second paragraph.

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Vocabulary: Use several vocabularies to present the data in the third paragraph.

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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.

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7
Linking words
meeting the goal of 7 or more
0
Word repetition
meeting the goal of 3 or fewer
5
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 9.0

Logical structure

Single idea per paragraph

Introduction & conclusion present

Accurate linking words

Variety in linking words

Lexical resource: 4.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 5.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 4.0

Complete response

Suitable writing tone

Appropriate word count

4 paragraphs

151 words

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Topic Vocabulary:

procurement
raw materials
milled
surface area
fermentable substance
enzymes
yeast
fermentation
byproducts
isolate
purified
distillation
concentration
containers
distribution

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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.

Nowadays, more and more people from different cities are spending more time away from their families. What are the possible reasons and the effects on the people themselves and their families?

Topic: When choosing a job, the salary is the most important consideration. To what extent do you agree or disagree?

In some cultures, children are often told that they can achieve anything if they try hard enough. What are the advantages and disadvantages of giving children this message?

Some university students want to learn about other subjects in addition to their main subjects. Other believe it is more important to give all their time and attention to studying for a qualification. Discuss both these views and give your own opinion!