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A. Lighthouses have served as crucial navigational aids for maritime travel since ancient times. The earliest known lighthouse, the Pharos o...
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1 . Decide which paragraph, (A) to (D), has the information given in each statement below. Select (E) if the information is not given in any of the paragraphs.
1 .... - The Fresnel lens was designed to concentrate light into a circular pattern. 2 .... - Ancient lighthouses relied on open flames for illumination. 3 .... - Lighthouse keepers were responsible for tracking maritime traffic. 4 .... - Modern technology has completely replaced the need for lighthouses. 5 .... - The Romans were the first civilization to build lighthouses. 6 .... - Automated systems began replacing lighthouse keepers in the 1900s. 7 .... - The Fresnel lens doubled the visible range of lighthouse beams. 8 .... - Historical lighthouses now serve dual purposes. 9 .... - Weather monitoring was part of a lighthouse keeper's duties.