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The diagram below shows how electricity is generated in a hydroelectric power station.

The diagram below shows how electricity is generated in a hydroelectric power station. MX9Q
The flowchart shows how electricity is produced by thermal energy. Overall, there are 7 stages in the whole electricity-producing process, beginning with the intake of water in the dam from the river and ending with the supply of electricity to the national grid for people to use. It is a man-made and linear process, and water is required to accomplish the process. To begin, water comes from the river to the high-level reservoir in a dam, and intake is opened in a day while it is closed at night. Then, in the daytime, water flowed towards turbines to produce electricity whilst at night water is reversed back towards a high-level reservoir. Following this, these reversible turbines have pushed the generator, in a power station, to operate; however, at night they are pumped backwater, from where it came. In the subsequent stage, water goes to the low-level reservoir in a day, but it reverses at night. At the next stage, electricity is produced in a generator and is supplied to the national grid with the help of power lines.
The flowchart
This phrase/word (depending on the context) can be potentially replaced with :
shows
how
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electricity
is produced
by thermal energy.

Overall
, there are 7 stages in the whole electricity-producing process, beginning with the intake of
You use this word too often, consider replacing it with
water
in the dam from the river and ending with the supply of
You use this word too often, consider replacing it with
electricity
to the national grid for
This phrase/word (depending on the context) can be potentially replaced with :
people
to
This phrase/word (depending on the context) can be potentially replaced with :
use
. It is a
This phrase/word (depending on the context) can be potentially replaced with :
man
-made and linear process, and
You use this word too often, consider replacing it with
water
is required
to accomplish the process.

To
This phrase/word (depending on the context) can be potentially replaced with :
begin
,
You use this word too often, consider replacing it with
water
This phrase/word (depending on the context) can be potentially replaced with :
comes
from the river to the high-level reservoir in a dam, and intake
is opened
in a day while it
is closed
at
You use this word too often, consider replacing it with
night
. Then, in the daytime,
You use this word too often, consider replacing it with
water
flowed towards turbines to produce
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electricity
whilst at
You use this word too often, consider replacing it with
night
You use this word too often, consider replacing it with
water
is reversed
back towards a high-level reservoir.

Following this, these reversible turbines have pushed the generator, in a power station, to operate;
however
, at
You use this word too often, consider replacing it with
night
they
are pumped
backwater, from where it came. In the subsequent stage,
You use this word too often, consider replacing it with
water
goes to the low-level reservoir in a day,
This phrase/word is too simple and can be replaced with:
but
it reverses at
You use this word too often, consider replacing it with
night
. At the
next
stage,
You use this word too often, consider replacing it with
electricity
is produced
in a generator and
is supplied
to the national grid with the
This phrase/word (depending on the context) can be potentially replaced with :
help
of power lines.
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IELTS academic The diagram below shows how electricity is generated in a hydroelectric power station.

Academic
  American English
4 paragraphs
178 words
6.5
Overall Band Score
Coherence and Cohesion: 7.0
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • ?
    Include an introduction and conclusion
  • ?
    Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • ?
    Vary your linking phrases using synonyms
Lexical Resource: 5.5
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.5
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 7.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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