The two diagrams illustrate the main parts of a hot air balloon and indicate how it ascends and descends in flight. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The two diagrams illustrate the main parts of a hot air balloon and indicate how it ascends and descends in flight.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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There are
two
Use synonyms
pictures that illustrate how an
air
Use synonyms
balloon
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ascends and descends depending on its structure. The
air
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balloon
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is constructed with a
balloon
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envelope
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hanging a blanket for passengers. In the blanket,
two
Use synonyms
gas tanks are put on the floor linked burners at the junction of the
envelope
Use synonyms
and the blanket.
Besides
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, there is a
valve
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cord inside the
envelope
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connected to the
valve
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on the top of the
envelope
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. When the
air
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balloon
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ascends, the valves of
two
Use synonyms
gas tanks are opened and the
valve
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on the
envelope
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is closed. With burners opened, the
envelope
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will expand because hot
air
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is blown into it, pulling the
air
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balloon
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to the sky.
By contrast
Linking Words
, when the
air
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balloon
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descends,
two
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gas tanks and burners are closed, and a person pulls the
valve
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cord to open the
valve
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on the top so hot
air
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will be released through it.
As a result
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, the
air
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balloon
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will lose the force to rise and back to the land.
Overall
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, the
air
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balloon
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is a complex machine and its movement is predominantly decided by the quantity of hot
air
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in its
envelope
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.
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Introduction: The introduction is missing.
Introduction: The chart intro is missing.
Basic structure: Change the second paragraph.
Introduction: The chart intro is missing.
Vocabulary: Replace the words two, air, balloon, envelope, valve with synonyms.
Vocabulary: Rephrase the word "illustrate" in your introduction.
Vocabulary: Only 2 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
Topic Vocabulary:
  • envelope
  • burner
  • gondola
  • ascend
  • descend
  • vent
  • contract
  • expand
  • dense
  • skirt
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