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Information and IdeasEasyInference from a simple contrast in wear

Information and Ideas practice question

The handrail on the left side of the station stairs is polished bright by use, while the one on the right is dull and dusty. This suggests that ____

Which choice most logically completes the text?

  1. A. most people use the left-hand rail.Correct
  2. B. the right-hand rail is newer.
  3. C. the stairs are rarely used.
  4. D. the left-hand rail is made of a different metal.

Answer: A. most people use the left-hand rail.

Bright from use on one side, dusty on the other: people hold the left rail.

Why the other answers are wrong

B. the right-hand rail is newer.
Dust suggests disuse, not newness.
C. the stairs are rarely used.
A rail polished by use means heavy traffic.
D. the left-hand rail is made of a different metal.
Nothing suggests different materials; use explains the difference.

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