16Hit1600
Expression of IdeasEasyIntroducing an object to unfamiliar readers

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - The Antikythera mechanism is a bronze device found in a shipwreck off Greece in 1901. - It dates from around 100 BCE. - Its gears modelled the movements of the sun, moon, and planets. - Nothing of comparable complexity is known for another thousand years.

The student wants to introduce the Antikythera mechanism to an audience unfamiliar with it. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. The Antikythera mechanism, a bronze device from around 100 BCE found in a Greek shipwreck, used gears to model the movements of the sun, moon, and planets.Correct
  2. B. The shipwreck was found in 1901.
  3. C. Gears can model planetary motion.
  4. D. The device is made of bronze.

Answer: A. The Antikythera mechanism, a bronze device from around 100 BCE found in a Greek shipwreck, used gears to model the movements of the sun, moon, and planets.

What it is, when, where found, and what it did.

Why the other answers are wrong

B. The shipwreck was found in 1901.
A date without saying what was found.
C. Gears can model planetary motion.
A generality that never names the device.
D. The device is made of bronze.
One detail with no introduction.

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