IELTS Writing Correction Service
Writing Samples
Band 6.5

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.
#electricity #power #station #summarise #information #features #comparisons
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The diagram illustrates the process of producing
electricity
 in a hydroelectric
power
station
.
Overall
, the main source of
power
 generation is the
water
 from
river
Add an article
the river
a river
show examples
, which is
then
 transported through various stages and eventually produces
electricity
 in the hydroelectric
power
station
 and
then
 into the national grid. At
first,
water
 from
river
Add an article
a river
the river
show examples
 will flow into
high-level
Correct article usage
a high-level
show examples
reservoir
due to
 the design of height difference, which will be controlled by the dam. In
daytime
Add an article
the daytime
show examples
, through the intake of the system, some of the
water
 flows down and
being
Wrong verb form
is
show examples
 sent to the
power
station
.
By
Change preposition
Through
show examples
 the operation of
generator
Correct article usage
a generator
show examples
,
electricity
enter
Change the verb form
enters
show examples
national
Correct article usage
the national
show examples
 grid through
power
. What can not be overlooked
that
Add a missing verb
is that
show examples
 reversible turbines will store some of the unused
water
 in the low-level
reservoir
. In
nighttime
Add an article
the nighttime
show examples
, when the
electricity
 demand from the citizens
decrease
Change the verb form
decreases
show examples
, the hydroelectric
power
station
 still
not
Add a missing verb
does not
show examples
 stop working. Reversible turbines will pump
water
 back to high-level
reservoir
Fix the agreement mistake
reservoirs
show examples
 from low-level
reservoir
Fix the agreement mistake
reservoirs
show examples
 in the same routine. The
water
 pumped up can
be recycle
Change the verb form
be recycled
be recycling
show examples
Correct word choice
and use
show examples
use
Change the form of the verb
used
show examples
 to generate
electricity
 again
in
Change preposition
apply
show examples
the next morning.(172)
Submitted by fiasngs on

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Vocabulary: Replace the words electricity, power, station, water, reservoir with synonyms.
▼
Vocabulary: Only 4 basic words for charts were used.
▼
Vocabulary: Use several vocabularies to present the data in the second paragraph.
▼
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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