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Band 6.5

The two graphs show the main sources of energy in the USA in the 1980s and the 1990s. Write a report for a university lecturer describing the changes which occurred.

The two graphs show the main sources of energy in the USA in the 1980s and the 1990s. Write a report for a university lecturer describing the changes which occurred.
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The pie charts illustrate the major sources of energy in the USA between
1980s
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the 1980s
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 and 1990s.
Overall
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, what stands out from the graphs is that oil accounted for the highest proportion not only in
1980s
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the 1980s
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 but
also
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 in
1990s
Correct article usage
the 1990s
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. Another striking factor is that all types of energy changed the figure with the exception of hydroelectric power. In terms of hydroelectric, it occupied only a tiny minority either in
1980s
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the 1980s
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 or a decade after at 5%.
In contrast
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, oil constituted the majority figure both in
1980s
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the 1980s
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 and 1990 (42% for the former and 33% for the latter).
Moreover
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, nuclear power was used
a
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apply
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twice higher in the 1990s as in the 1980s (10% against 5%). One prominent feature is that the data
of
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on
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 natural gas in
1990s
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the 1990s
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 at 25%, was 1% lower than
the
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in the
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 1980s. One difference between
1980s
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the 1980s
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 and 1990s is that
while
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 coal made up nearly a quarter in
1980s
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the 1980s
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, it was over a quarter in
1990s
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the 1990s
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, 22% and 27% respectively.
Submitted by nlongduy on

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Vocabulary: The word "figure" was used 2 times.
▼
Topic Vocabulary:
  • sources of energy
  • predominant
  • renewables
  • nuclear
  • significant increases
  • significant decreases
  • technological advancements
  • policy changes
  • trends
  • overall
  • preference
  • shifts
  • implications
  • future energy landscape
  • decades
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