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Writing Samples
Band 4.5

: The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

: The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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The given diagram delineates the process of generating electricity from geothermal energy.
Overall
Linking Words
, there are five major steps, beginning
at
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with
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 pumping water underground and finishing with the power of
turbine
Correct article usage
the turbine
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 to
generator
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the generator
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. As the foremost, it is evident that water is kept in a receptacle before being driven down 4.5 km to the injection well. Since
then
Linking Words
, it goes through
heat
Correct article usage
the heat
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 rocks of
geothermal
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the geothermal
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 zone and is pumped to the production well. From
this
Linking Words
 stage, the hot water is pumped up to a condenser which takes the responsibility of turning it into steam,
subsequently
Linking Words
 powering the turbine to work. The whole procedure ends with the motivation from
turbine
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the turbine
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 to
generator
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the generator
a generator
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 in order to produce electricity. Generally, the production of electricity from geothermal power only requires a few steps with little or no utilization of coal or fuel, indicating a practical source of renewable energy.

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the second paragraph.
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Basic structure: Change the third paragraph.
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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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Topic Vocabulary:
  • geothermal energy
  • renewable source
  • sustainable
  • drilling wells
  • hot water and steam
  • drive turbines
  • generate electricity
  • conversion
  • cooling process
  • re-injected
  • efficiency
  • environmental impact
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