16Hit1600
Craft and StructureMediumFunction of a sentence that corrects an assumption

Craft and Structure practice question

The mill's great wheel turns clockwise, and visitors assume the river drives it that way. In fact the river runs the other way; the wheel is driven not by the current but by water dropped onto it from a channel above, and it turns against the stream.

Which choice best describes the function of the second sentence?

  1. A. It corrects the visitors' assumption by explaining how the wheel is actually driven.Correct
  2. B. It describes the wheel's size.
  3. C. It argues that the wheel should be reversed.
  4. D. It explains where the river rises.

Answer: A. It corrects the visitors' assumption by explaining how the wheel is actually driven.

'In fact' overturns the assumption with the real mechanism.

Why the other answers are wrong

B. It describes the wheel's size.
Size is not mentioned.
C. It argues that the wheel should be reversed.
No such argument.
D. It explains where the river rises.
The river's source is not discussed.

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