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 given diagram illustrates the process by which electricity is produced in a hydroelectric power station.
Overall
, it is evident that the process involved Linking Words
water
flowing from a high-level Use synonyms
reservoir
to a low-level one, through reversible Use synonyms
turbines
which operate differently during the day and night.
During the day, the first step takes place when Use synonyms
water
flows from a river to a high-level Use synonyms
reservoir
. Use synonyms
Subsequently
, it passes an intake valve which is open, flowing down to reversible Linking Words
turbines
. After driving the Use synonyms
turbines
, electricity is generated and Use synonyms
then
transmitted to the national grid via power lines. The Linking Words
water
Use synonyms
then
continues its flow into the low-level Linking Words
reservoir
.
Use synonyms
Conversely
, at night the process is completely reversed. Whilst the intake valve is closed, Linking Words
water
is pumped from the low-level Use synonyms
reservoir
back up by the reversible Use synonyms
turbines
, reaching the high-level Use synonyms
reservoir
once again. Use synonyms
This
procedure ensures the storage of Linking Words
water
for the following day's consumption. Use synonyms
Consequently
, the circular operation ensures constant electricity generation by harnessing a natural resource.Linking Words
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Basic structure: Change the second paragraph.
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Basic structure: Change the third paragraph.
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Vocabulary: Replace the words water, reservoir, turbines 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 third paragraph.
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