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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. oolX
A hydroelectric power station can generate electric power by using the energy of water flowing from high level to low level. It works different functions in day and night. In the day time, water in the high-level reservoir go through the intake under the dam which is only open in day time. Then the water flow into the power station in which there is a generator The generator is operated by a reversible turbines that can transfer the water flowing force to the mechanical force which is the power of the generator. The generated electricity then goes to the national grid through the power lines. On the other hand in the night time, the power station works in a reversed way. It pumps water from the low-level reservoir to high-level reservoir to provide the enough water for day time's work. The water is pumped by the same reversible turbines from low-level reservoir. So the power station actually consumes energy at night. But that is in order to generate more power in the day time. In a conclusion, a hydroelectric power station can generate power is based on the differce heighth of water level. In day time, it uses the natural water energy. Meanwhile in the night, it transfers the water to create and store the energy for the next day.
A hydroelectric
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power
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station
can generate electric
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power
by using the
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energy
of
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water
flowing from high level to low level. It works
This phrase/word is too simple and can be replaced with:
different
functions in day and night.

In the day
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time
,
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water
in the high-level
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reservoir
go through the intake under the dam which is
This phrase/word (depending on the context) can be potentially replaced with :
only
open in day
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time
. Then the
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water
flow into the
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power
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station
in which there is a generator The generator
is operated
by a reversible
Don't use indefinite articles with plural words. Did you mean "turbine"?
turbines
that can transfer the
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water
flowing force to the mechanical force which is the
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power
of the generator. The generated electricity then goes to the national grid through the
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power
lines.

On the other hand
in the night
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time
, the
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power
You use this word too often, consider replacing it with
station
works
Consider replacing "in a reversed way" with the adverb for "reversed"; e.g., "in a hasty manner" with "hastily".
in a reversed way
. It pumps
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water
from the low-level
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reservoir
to high-level
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reservoir
to provide the
This phrase/word is too simple and can be replaced with:
enough
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water
for day time's work. The
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water
is pumped
by the same reversible turbines from low-level
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reservoir
.
This phrase/word is too simple and can be replaced with:
So
the
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power
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station
actually consumes
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energy
at night.
This phrase/word is too simple and can be replaced with:
But
that is
in order to generate more
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power
in the day time.

In a conclusion, a hydroelectric
You use this word too often, consider replacing it with
power
You use this word too often, consider replacing it with
station
can generate
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power
is based
on the
Possible spelling mistake found.
differce
Possible spelling mistake found.
heighth
of
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water
level. In day
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time
, it
This phrase/word (depending on the context) can be potentially replaced with :
uses
the natural
You use this word too often, consider replacing it with
water
You use this word too often, consider replacing it with
energy
.
Did you forget a comma after a conjunctive/linking adverb?
Meanwhile
in the night, it transfers the
You use this word too often, consider replacing it with
water
to create and store the
You use this word too often, consider replacing it with
energy
for the
next
day.
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IELTS academic The diagram below shows how electricity is generated in a hydroelectric power station.

Academic
  American English
4 paragraphs
220 words
6.0
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: 5.0
  • 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: 5.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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  • 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.