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Writing Samples
Band 4

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.
#electricity #power #station
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A hydroelectric
power
Use synonyms
station
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 can generate electric
power
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 by using the
energy
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 of
water
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 flowing from
high
Correct article usage
a high
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level
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 to
low
Correct article usage
a low
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level
Use synonyms
. It works different functions
in
Change preposition
apply
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day
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 and
night
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. In the
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day
Correct your spelling
daytime
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time
Use synonyms
,
water
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 in the high-
level
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reservoir
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go
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goes
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 through the intake under the dam which is only open
in
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at
show examples
Use synonyms
day
Add an article
the day
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time
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.
Then
Linking Words
 the
water
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flow
Change the verb form
flows
show examples
 into the
power
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station
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 in which there is a generator. The generator is operated by
a reversible turbines
Correct the article-noun agreement
reversible turbines
a reversible turbine
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 that can transfer the
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water flowing
Add a hyphen
water-flowing
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 force to the mechanical force which is the
power
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 of the generator. The generated electricity
then
Linking Words
 goes to the national grid through the
power
Use synonyms
 lines.
On the other hand
Linking Words
in
Change preposition
at
show examples
the
Correct article usage
apply
show examples
Use synonyms
night
Correct your spelling
nighttime
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time
Use synonyms
, the
power
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station
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 works in a reversed way. It pumps
water
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 from the
low
Add a hyphen
low-level
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level
Use synonyms
reservoir
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 to
high-
Correct article usage
a high-level
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level
Use synonyms
reservoir
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 to provide
the
Remove the article
apply
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enough
water
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 for
Use synonyms
day
Correct your spelling
daytime's
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Use synonyms
time's
Change noun form
time
show examples
 work. The
water
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 is pumped by the same reversible turbines from
low-
Add an article
the low-level
a low-level
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level
Use synonyms
reservoir
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. So the
power
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station
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 actually consumes
energy
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 at
night
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. But
that is
Linking Words
 in order to generate more
power
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 in the
Use synonyms
day
Correct your spelling
daytime
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time
Use synonyms
. In a conclusion, a hydroelectric
power
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station
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 can generate
power
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is
Unnecessary verb
apply
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based on the
differce
Correct your spelling
difference
Change preposition
in heighth
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heighth
Correct your spelling
height
of
Change preposition
in
show examples
water
Use synonyms
level
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. In
Use synonyms
day
Add an article
the day
show examples
time
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, it uses
the
Correct article usage
apply
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natural
water
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energy
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.
Meanwhile
Add a comma
,Meanwhile
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in
Change preposition
at
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the
Correct article usage
apply
show examples
night
Use synonyms
, it transfers the
water
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 to create and store the
energy
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 for the
next
Linking Words
day
Use synonyms
.

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Introduction: The introduction is missing.
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Introduction: Change the first sentence in the introduction.
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Conclusion: The conclusion is too long.
Introduction: The chart intro is missing.
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Basic structure: Change the first paragraph.
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Basic structure: Change the fourth paragraph.
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Introduction: The chart intro is missing.
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Vocabulary: Replace the words power, station, energy, water, level, day, night, time, reservoir with synonyms.
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Vocabulary: Rephrase the word "undefined" in your introduction.
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Vocabulary: Only 3 basic words for charts were used.
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Vocabulary: The word "go" was used 2 times.
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Vocabulary: The word "go" was used 2 times.
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Vocabulary: Use several vocabularies to present the data in the first paragraph.
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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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Topic Vocabulary:
  • Reservoir
  • Penstock
  • Turbine
  • Generator
  • Transformer
  • High voltage
  • Renewable energy
  • Kinetic energy
  • Potential energy
  • Power grid
  • Sustainable
  • Flow rate
  • Energy conversion
  • Hydraulic pressure
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