Question 12 • *CR Expository Reading and Writing S1 [E4250OX]
Read the picture caption from Chapter Two of Windows to the Universe: Revolutions in Astronomy.Caption: Spyglasses like this were early examples of instruments that could magnify images from far away.What is the author's purpose in including this supporting text?
Answer
A
to explain the technical mechanics of how spyglasses magnify distant objects
B
to draw a comparison between spyglasses and modern telescopes
C
to provide an example of the type of technology discussed in the chapter
D
to emphasize the historical importance of spyglasses in navigation and exploration
Explanation
The caption identifies a spyglass as an early instrument that magnified images from far away. This gives readers a concrete example of the kinds of instruments and technology discussed in the chapter. It does not explain the mechanics of magnification or compare spyglasses with modern telescopes.
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