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Writing Samples
Band 7.5

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.
This
Linking Words
 diagram illustrates the process of producing
power
Use synonyms
 in a hydroelectric
power
Use synonyms
 station.
Overall
Linking Words
, it can be seen that generating
electricity
Use synonyms
 includes a reversible cycle during days and nights.
Hence
Linking Words
, there are 5 stages, beginning and ending with storing the water in a high-level
reservoir
Use synonyms
. In the first stage, the water of the river is stored in a high-level
reservoir
Use synonyms
 behind the dam.
Then
Linking Words
, it flows into the
power
Use synonyms
 station every day after opening the dam.
Furthermore
Linking Words
, in the third stage, the generator produces
electricity
Use synonyms
 with the help of reversible turbines.
Next,
Linking Words
the
power
Use synonyms
 lines are connected to the national grid, and
electricity
Use synonyms
 is distributed among people. Afterwards, the reversible turbines pump the water, which remains in the low-level
reservoir
Use synonyms
, into the high-level
reservoir
Use synonyms
 at night.
Finally
Linking Words
, the dam is closed. All in all,
it is clear that
Linking Words
,
Punctuation problem
apply
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the
Correct article usage
apply
show examples
electricity
Use synonyms
 is made in the hydroelectric
power
Use synonyms
 station by a reversible cycle.

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Vocabulary: Replace the words power, electricity, reservoir with synonyms.
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Vocabulary: Only 3 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 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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