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Information and IdeasHardMain idea about an inherited skill

Information and Ideas practice question

The dry-stone wallers of the valley learned their trade from parents and grandparents, and none of them can say in words how they choose a stone; they simply pick it up and it fits. When a training scheme tried to write the method down, the wallers read the manual and laughed: everything in it was true, they said, and none of it was the thing you needed to know.

Which choice best states the main idea of the text?

  1. A. The wallers' skill is passed on by practice and cannot be captured in written instructions.Correct
  2. B. The training manual contained errors.
  3. C. The wallers refuse to teach their trade.
  4. D. Dry-stone walling is easy to learn from a book.

Answer: A. The wallers' skill is passed on by practice and cannot be captured in written instructions.

Learned from family, not sayable in words, the manual true but useless.

Why the other answers are wrong

B. The training manual contained errors.
'Everything in it was true.'
C. The wallers refuse to teach their trade.
They teach by passing it to children and grandchildren.
D. Dry-stone walling is easy to learn from a book.
The text says the opposite.

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