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Expression of IdeasMediumEmphasising how cold with a comparison

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Antarctica's lowest recorded temperature is −89°C, measured at Vostok station in 1983. - The surface of dry ice is about −78°C. - Antarctica's inland regions average about −57°C. - Vostok station is operated by Russia.

The student wants to emphasise how cold Antarctica's record low temperature is. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Antarctica's record low of −89°C, measured at Vostok in 1983, is colder than the surface of dry ice.Correct
  2. B. The record was measured at Vostok station in 1983.
  3. C. Vostok station is operated by Russia.
  4. D. Antarctica's record low temperature is about −8.9°C.

Answer: A. Antarctica's record low of −89°C, measured at Vostok in 1983, is colder than the surface of dry ice.

The figure plus the dry-ice comparison — choice A makes the cold vivid.

Why the other answers are wrong

B. The record was measured at Vostok station in 1983.
Where and when, but not how cold.
C. Vostok station is operated by Russia.
Who runs the station says nothing about temperature.
D. Antarctica's record low temperature is about −8.9°C.
The notes say −89°C, not −8.9°C.

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