Video games have become increasingly realistic, especially those involving armed combat. America’s armed forces have even used video games (1) recruitment and (2) tools. But the desire to play games is not the (3) why the United States Air Force recently (4) a procurement request for 2,200 Sony PlayStation 3 (PS3) video-game consoles. It intends to link them (5) to build a supercomputer that will (6) Linux, a free, open-source operating system. It will be used for research, including the development of high-definition imaging systems for radar, and will cost around one-tenth as much as a conventional supercomputer. The air force has already built a smaller computer (7) a cluster of 336 PS3s.
This is merely the latest example of a(n) (8) trend. There is a long tradition of technology developed for military use filtering (9) to consumer markets: satellite-navigation systems (10)
A. reassure
B. assure
C. sure
D. ensure
Video games have become increasingly realistic, especially those involving armed combat. America’s armed forces have even used video games (1) recruitment and (2) tools. But the desire to play games is not the (3) why the United States Air Force recently (4) a procurement request for 2,200 Sony PlayStation 3 (PS3) video-game consoles. It intends to link them (5) to build a supercomputer that will (6) Linux, a free, open-source operating system. It will be used for research, including the development of high-definition imaging systems for radar, and will cost around one-tenth as much as a conventional supercomputer. The air force has already built a smaller computer (7) a cluster of 336 PS3s.
This is merely the latest example of a(n) (8) trend. There is a long tradition of technology developed for military use filtering (9) to consumer markets: satellite-navigation systems (10)
A. to
B. of
C. as
D. from
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