[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 pric
A. A．execution
B．distinction
C．breakthrough
D．process

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Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them.
A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops’s keyboard, a blind person can "read" any (8) document in the English language.
This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that
A. on
B. at
C. in
D. from

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