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Craft and StructureEasy–MediumQuestioning a rule of thumb

Craft and Structure practice question

Text 1 A dietitian advises that adults should drink eight glasses of water a day to stay properly hydrated. Text 2 A physiologist notes that the eight-glass figure has no known scientific origin. The body signals thirst reliably, she says, and a good part of the water people need comes from food.

Based on the texts, how would the physiologist in Text 2 most likely respond to the advice in Text 1?

  1. A. By questioning the basis of the eight-glass figure and pointing to thirst and food as better guides.Correct
  2. B. By agreeing that eight glasses is the minimum an adult needs.
  3. C. By arguing that adults should drink more than eight glasses.
  4. D. By denying that food contains any water.

Answer: A. By questioning the basis of the eight-glass figure and pointing to thirst and food as better guides.

Text 2 says the figure has 'no known scientific origin' and offers thirst and food-borne water instead.

Why the other answers are wrong

B. By agreeing that eight glasses is the minimum an adult needs.
Text 2 questions the figure rather than endorsing it as a minimum.
C. By arguing that adults should drink more than eight glasses.
Nothing in Text 2 suggests drinking more.
D. By denying that food contains any water.
Text 2 says a good part of needed water comes from food.

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