填空题

Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (61)______ from the world of books and newspapers, having to (62)______ on friends to read aloud to them. A young scientist named Raymond Kurzweil has now designed a computer which is a major (63)______ in providing aid to the (64)______ . His machine, Cyclops, has a camera that (65)______ any page, interprets the print into sounds, and then delivers them orally in a robot-like (66)______ through a speaker. By pressing the appropriate buttons (67)______ Cyclops’’s keyboard, a blind person can "read" any (68)______ document in the English language. This remarkable invention represents a tremendous (69)______ forward in the education of the handicapped. At present, Cyclops costs $50,000. (70)______ , Mr. Kurzweil and his associates are preparing a smaller (71)______ improved version that will sell (72)______ less than half that price. Within a few years, Kurzweil (73)______ , the price range will be low enough for every school and library to (74)______ one. Michael Hingson, Director of the National Federation for the Blind, hopes that (75)______ will be able to buy home (76)______ of Cyclops for the price of a good television set. Mr. Hingson’’s organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (77)______ in those tests, making lots of (78)______ suggestions to the engineers who helped to produce Cyclops. "This is the first time that blind people have ever done individual studies (79)______ a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (80)______, the manufacturers have been the blind ones."