IELTS Writing Correction Service
Writing Samples
Band 7

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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The diagram illustrates the generated electricity by using
water
Use synonyms
 energy through the hydroelectric
power
Use synonyms
 station.
Overall
Linking Words
, the processing of generated electricity is divided into 5 stages and two different periods which are daytime and nighttime. During the day
water
Use synonyms
 flows from a high-level to a low-level reservoir.
However
Linking Words
, at night
water
Use synonyms
 flows in the opposite direction.
According to
Linking Words
 the figure, in the daytime
water
Use synonyms
 from the river at a high-level reservoir passes through the opened dam and flows along the way to the
power
Use synonyms
 station.
Then
Linking Words
 the generator is operated by the reversible turbines to transform the waterpower into electric
power
Use synonyms
 and send it to
power
Use synonyms
 lines.
lastly
Linking Words
, the electricity is sent to the national grid.
On the other hand
Linking Words
, at nighttime,
water
Use synonyms
 from the lower-level reservoir is pumped to a higher level by the reversible turbines. The dam is closed to collect the
water
Use synonyms
 until the next day and uses accumulated
water
Use synonyms
 as a raw material in the daytime process again.

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Basic structure: Change the fourth paragraph.
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Vocabulary: Rephrase your introduction. Words match: 75%.
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Vocabulary: Replace the words water, power with synonyms.
▼
Vocabulary: Only 4 basic words for charts were used.
▼
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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Topic Vocabulary:
  • hydroelectric power station
  • reservoir
  • potential energy
  • mechanical energy
  • electrical energy
  • turbine
  • generator
  • renewable energy
  • fossil fuels
  • emissions
  • power lines
  • gate-controlled tunnels
  • gravity-driven
  • transformation
  • clean energy source
  • sustainable
  • recycled water
  • mountainous area
  • activate
  • transmit
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